Anti-caking raw material premixing and stirring structure for thermal insulation mortar
Patent Information
- Application Number
- CN202522307848.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-31
AI Technical Summary
Existing thermal insulation mortar raw material premixing equipment does not pre-treat the moisture content and particle agglomeration of raw materials, resulting in the agglomeration initiation factors not being controlled at the source, uneven mixing, and affecting product quality and construction performance.
It adopts a dual-rotating rod reverse spiral mixing blade structure and a filter arc plate assembly. The filter arc plate screens the raw materials, intercepting large particles, hard lumps and wet clumps. The dual rotating rods form convection mixing, and the spiral conveyor blades deliver the raw materials evenly. The detachable design prevents agglomeration.
It effectively reduces factors that cause clumping, ensures uniform mixing of raw materials, prevents dead zones in the mixing process, reduces the risk of external moisture intrusion, and improves product quality and construction performance.
Smart Images
Figure CN224928223U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to raw material stirring technical field especially relates to a kind of anti-caking raw material premixing and stirring structure of thermal insulation mortar. BACKGROUND
[0002] Thermal insulation mortar is the core material in building energy-saving field, with lightweight aggregate (such as vitrified microbeads, polystyrene particles) as main body, cement, fly ash and other cementitious materials and cellulose ether, redispersible emulsion powder and other modified additives are matched, and dry powder product is prepared by premixing and stirring. In the premixing process, the caking problem directly affects the product quality and construction performance-If raw materials are not mixed evenly or hard block is formed, it will lead to the increase of thermal conductivity of thermal insulation layer, the decrease of bonding strength, and even cause construction flow hanging, cracking and other hidden troubles, therefore, anti-caking raw material premixing and stirring structure is needed to stir it.
[0003] The existing thermal insulation mortar raw material premixing equipment mainly includes ordinary spiral belt mixer, single-shaft stirring equipment and simple mixing device. The design of these devices focuses on the "mixing" function, lacks special optimization for "anti-caking", most of the devices directly put raw materials into the stirring bin without pretreatment of water content and particle caking of raw materials, which leads to the uncontrolled of caking causes from the source. At the same time, single-shaft stirring or single spiral belt structure is adopted, which is easy to have stirring dead angle and local accumulation of materials, forming hard block. Moreover, the density difference adaptation of lightweight aggregate and cementitious material is poor, which is easy to stratify and cause uneven mixing. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problem that most of the devices in the prior art directly put raw materials into the stirring bin without pretreatment of water content and particle caking of the raw materials, which leads to the uncontrolled of caking causes from the source, and puts forward an anti-caking raw material premixing and stirring structure of thermal insulation mortar.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-caking raw material premixing and stirring structure of thermal insulation mortar, comprising an outer shell, two rotating rods are symmetrically arranged inside the outer shell, spiral stirring blades are symmetrically sleeved and fixedly connected on the surface of the rotating rods and close to both ends, the both ends of the rotating rods penetrate the inner walls of both ends of the outer shell and are rotatably connected with the bearings thereof, a convex shell is fixedly and communicatively arranged on the top of the outer shell and close to the center, a rotating rod is arranged in the convex shell, spiral conveying blades are sleeved and fixedly connected on the surface of the rotating rod, one end of the rotating rod penetrates one end of the convex shell and is rotatably connected with the bearing thereof, and a filter arc plate is arranged inside the convex shell and below the spiral conveying blades.
[0006] Preferably, support legs are fixedly connected on the bottom of the outer shell and close to the four corners, and the bottom of each support leg is trapezoidal.
[0007] Preferably, a discharge hole is provided at the bottom of the outer shell near the center, and an annular plate is fixedly connected to the bottom of the outer shell at the edge of the discharge hole, and a convex plate is embedded and installed inside the annular plate.
[0008] Preferably, two first motors are fixedly connected to one end of the outer casing, and the output ends of the first motors are fixedly connected to one end of the rotating rod.
[0009] Preferably, a second motor is fixedly connected to one end of the convex shell, and the output end of the second motor is fixedly connected to one end of the rotating rod.
[0010] Preferably, the other end of the convex shell is fixed and connected to a discharge cylinder, and a fixing plate is fixedly connected to the top inner wall of the discharge cylinder and near one side. One end of the rotating rod passes through the fixing plate and is rotatably connected to its bearing.
[0011] Preferably, the inner walls on both sides of the convex shell are provided with sliding grooves, and the edges of the filter arc plate are embedded in the sliding grooves and slidably connected thereto.
[0012] Preferably, a square ring plate is fixed and connected to the top of the convex shell and near one end, and a feed funnel is fixed and connected to the top of the square ring plate.
[0013] Preferably, one end of the filter arc plate passes through the convex shell and is slidably connected to it, the other end of the filter arc plate is embedded in the inner wall of one side of the convex shell, one end of the filter arc plate is fixedly connected to an arc plate, and a mounting block is fixedly connected to the bottom of the arc plate near the center.
[0014] Preferably, a handle is fixedly connected to one side wall of the arc-shaped plate.
[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the raw materials before entering the mixing chamber are screened by the filter arc plate, which effectively intercepts large hard particles, wet lumps and additives clumping, reducing the cause of clumping from the source; and the filter arc plate can be slidably disassembled along the slide groove, which is convenient for cleaning residual impurities and avoids clogging of the filter components.
[0016] 2. In this utility model, a symmetrically arranged reverse spiral stirring blade structure with double rotating rods is adopted, so that the material forms a dynamic mixing of "convection and tumbling" in the bin, which completely eliminates the stirring dead corner and prevents local accumulation and compression; the shearing action of the reverse spiral can also disperse small lumps, ensuring that the raw materials are mixed evenly.
[0017] 3. In this utility model, the spiral conveyor blades enable the raw materials to enter the mixing chamber at a uniform speed and evenly, avoiding the compression and agglomeration caused by the instantaneous accumulation of a large amount of raw materials. At the same time, the filter arc plate further ensures the quality of the feed.
[0018] 4. In the utility model, the detachable design of filter arc plate, convex plate and other components facilitates equipment cleaning and maintenance and reduces the possibility of residual material moisture absorption and caking; the sealing design of the overall structure also reduces the risk of external moisture intrusion. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 An overall structure perspective view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model; Fig. 2 An overall structure bottom view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model; Fig. 3 An overall structure horizontal sectional view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model; Fig. 4 An overall structure vertical sectional view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model; Fig. 5 A spiral stirring blade structure perspective view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model; Fig. 6 A filter arc plate structure perspective view of the anti-caking raw material premixing and stirring structure of the thermal insulation mortar is provided for the utility model.
[0020] Legend: 1, shell; 2, support leg; 3, rotating rod; 4, spiral stirring blade; 5, first motor; 6, discharge hole; 7, ring plate; 8, convex plate; 9, convex shell; 10, impurity removal cylinder; 11, fixed plate; 12, rotating rod; 13, spiral conveying blade; 14, second motor; 15, square ring plate; 16, feeding hopper; 17, filter arc plate; 18, chute; 19, arc plate; 20, handle; 21, mounting block. DETAILED DESCRIPTION
[0021] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.
[0023] Embodiment 1, as Figs. 1-6The utility model provides a kind of anti-caking raw material premixing stirring structure of thermal insulation mortar, including shell 1, two rotating rods 3 are symmetrically arranged in the inside of shell 1, and the surface of rotating rod 3 and close to two ends are symmetrically equipped with fixed connection with spiral stirring vane 4, the both ends of rotating rod 3 are all through the inner wall of the both ends of shell 1 and are connected with its bearing rotation, the top of shell 1 and close to the center place are fixed and are communicated with convex shell 9, rotating rod 12 is equipped in the inside of convex shell 9, spiral conveying vane 13 is equipped and fixedly connected on the surface of rotating rod 12, one end of rotating rod 12 is through the one end of convex shell 9 and is connected with its bearing rotation, and filter arc plate 17 is equipped in the inside of convex shell 9 and below spiral conveying vane 13.
[0024] The effect achieved by the whole embodiment 1 is that two rotating rods 3 are symmetrically arranged in the inside of shell 1, the surface of rotating rod 3 and close to two ends are symmetrically equipped with fixed connection with spiral stirring vane 4, which can rotate the rotating rod 3 to drive the spiral stirring vane 4 to rotate, the both ends of rotating rod 3 are all through the inner wall of the both ends of shell 1 and are connected with its bearing rotation, which can limit the both ends of rotating rod 3, the top of shell 1 and close to the center place are fixed and are communicated with convex shell 9, rotating rod 12 is equipped in the inside of convex shell 9, spiral conveying vane 13 is equipped and fixedly connected on the surface of rotating rod 12, which can rotate the rotating rod 12 to drive the spiral conveying vane 13 to rotate and convey materials, one end of rotating rod 12 is through the one end of convex shell 9 and is connected with its bearing rotation, and filter arc plate 17 is equipped in the inside of convex shell 9 and below spiral conveying vane 13, which can filter materials.
[0025] Embodiment 2, as Figs. 1-6As shown, the bottom of the shell 1 and close to the four corners are fixedly connected with support legs 2, the bottom of the support leg 2 is trapezoidal; the bottom of the shell 1 and close to the center is provided with a discharge hole 6, the bottom of the shell 1 and located at the edge of the discharge hole 6 is fixedly connected with a ring type plate 7, the inside of the ring type plate 7 is embedded and installed with a convex plate 8; one end of the shell 1 is fixedly connected with two first motors 5, the output end of the first motor 5 is fixedly connected with one end of the rotating rod 3; one end of the convex shell 9 is fixedly connected with a second motor 14, the output end of the second motor 14 is fixedly connected with one end of the rotating rod 12; the other end of the convex shell 9 is fixedly connected and communicated with a scavenging cylinder 10, the top inner wall of the scavenging cylinder 10 and close to one side is fixedly connected with a fixed plate 11, one end of the rotating rod 12 penetrates through the fixed plate 11 and is rotatably connected with the bearing thereof; the inner wall of the convex shell 9 is provided with a sliding groove 18, the edge of the filter arc plate 17 is embedded in the inside of the sliding groove 18 and is slidably connected therewith; the top of the convex shell 9 and close to one end is fixedly connected and communicated with a square ring plate 15, the top of the square ring plate 15 is fixedly connected and communicated with a feeding hopper 16; one end of the filter arc plate 17 penetrates through the convex shell 9 and is slidably connected therewith, the other end of the filter arc plate 17 is embedded in the inner wall of one side of the convex shell 9, one end of the filter arc plate 17 is fixedly connected with an arc plate 19, the bottom of the arc plate 19 and close to the center is fixedly connected with a mounting block 21; one side wall of the arc plate 19 is fixedly connected with a handle 20.
[0026] The effect achieved by the whole embodiment 2 is that the support legs 2 are fixedly connected to the bottom of the shell 1 near the four corners, the bottom of the support leg 2 is trapezoidal, which can support the bottom of the shell 1; the discharge hole 6 is arranged on the bottom of the shell 1 near the center, the ring type plate 7 is fixedly connected to the bottom of the shell 1 and the edge of the discharge hole 6, and the convex plate 8 is embedded and installed in the inside of the ring type plate 7, which can achieve the effect of discharging; two first motors 5 are fixedly connected to one end of the shell 1, the output ends of the first motors 5 are fixedly connected with one end of the rotating rod 3, which can make the first motor 5 drive the rotating rod 3 to rotate; the second motor 14 is fixedly connected to one end of the convex shell 9, and the output end of the second motor 14 is fixedly connected with one end of the rotating rod 12, which can make the second motor 14 drive the rotating rod 12 to rotate; the impurity removal cylinder 10 is fixedly and communicatively connected to the other end of the convex shell 9, the fixed plate 11 is fixedly connected to the top inner wall of the impurity removal cylinder 10 and near one side, and one end of the rotating rod 12 penetrates through the fixed plate 11 and is in bearing rotary connection with the fixed plate 11, which can achieve the effect of removing impurities; the sliding grooves 18 are arranged on the two side inner walls of the convex shell 9, and the edges of the filtering arc plates 17 are embedded in the inside of the sliding grooves 18 and are in sliding connection with the sliding grooves 18, which can achieve the effect of limiting the filtering arc plates 17; the square ring plate 15 is fixedly and communicatively connected to the top of the convex shell 9 and near one end, and the feeding hopper 16 is fixedly and communicatively connected to the top of the square ring plate 15, which can achieve the effect of facilitating feeding; one end of the filtering arc plate 17 penetrates through the convex shell 9 and is in sliding connection with the convex shell 9, the other end of the filtering arc plate 17 is embedded in the side inner wall of the convex shell 9, the filtering arc plate 17 is fixedly connected with the arc plate 19 at one end, and the arc plate 19 is fixedly connected with the mounting block 21 at the bottom and near the center, which can achieve the effect of facilitating the installation of the filtering arc plate 17; the handle 20 is fixedly connected with one side wall of the arc plate 19, which can achieve the effect of facilitating the pulling of the filtering arc plate 17.
[0027] Working principle: The raw materials are put into through the feeding hopper 16, enter the convex shell 9 through the square ring plate 15, the second motor 14 drives the rotating rod 12 to rotate, drives the spiral conveying blade 13 to rotate, and conveys the raw materials to the filtering arc plate 17, when the raw materials pass through the filtering arc plate 17, the large particle hard blocks and wet lumps are intercepted, and the qualified raw materials pass through the filtering arc plate 17 and enter the inside of the shell 1; if the filtering arc plate 17 needs to be cleaned, the handle 20 is pulled to make the filtering arc plate 17 slide out along the sliding groove 18, and after cleaning, it is installed back, the first motor 5 drives the two rotating rods 3 to rotate, the reverse spiral stirring blades 4 on the surface of the rotating rods 3 make the raw materials form bidirectional convection and overturning in the shell 1, realize uniform mixing and dispersion of small clumps, the mixed raw materials fall through the discharge hole 6, are discharged through the convex plate 8, the premixing process is completed, the impurities intercepted by the filtering arc plate 17 are conveyed to the impurity removal cylinder 10 by the spiral conveying blade 13 and are discharged, and the filtering assembly is ensured to be continuously smooth.
[0028] The wiring diagram of the spiral stirring blade 4, the first motor 5 and the second motor 14 is common knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the spiral stirring blade 4, the first motor 5 and the second motor 14 are not explained in detail.
[0029] The above is only a preferred embodiment of the utility model, and is not a limitation on other forms of the utility model. Any skilled person in the art can change or modify the above disclosed technology content to equivalent embodiments with equivalent changes applied to other fields. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the technical solution content of the utility model still falls within the protection scope of the technical solution of the utility model.
Claims
1. A premixing structure for preventing caking of thermal insulation mortar raw materials, comprising a shell (1), characterized in that: The outer shell (1) is symmetrically provided with two rotating rods (3). The rotating rods (3) are symmetrically fitted and fixedly connected with spiral stirring blades (4) on their surfaces and near both ends. Both ends of the rotating rods (3) penetrate the inner walls of both ends of the outer shell (1) and are rotatably connected to their bearings. The top of the outer shell (1) is fixed and connected to a convex shell (9) near the center. The convex shell (9) is provided with a rotating rod (12) inside. The rotating rod (12) is fitted and fixedly connected with spiral conveying blades (13) on its surface. One end of the rotating rod (12) penetrates one end of the convex shell (9) and is rotatably connected to its bearing. The convex shell (9) is provided with a filter arc plate (17) inside and below the spiral conveying blades (13).
2. The premixing structure for preventing caking of thermal insulation mortar according to claim 1, characterized in that: Support legs (2) are fixedly connected to the bottom of the outer shell (1) and near the four corners. The bottom of each support leg (2) is trapezoidal.
3. The premixing structure for preventing caking of thermal insulation mortar according to claim 1, characterized in that: The bottom of the outer shell (1) and near the center is provided with a discharge hole (6), and an annular plate (7) is fixedly connected to the bottom of the outer shell (1) and at the edge of the discharge hole (6). A convex plate (8) is embedded and installed inside the annular plate (7).
4. The premixing structure for preventing caking of thermal insulation mortar according to claim 1, characterized in that: Two first motors (5) are fixedly connected to one end of the outer shell (1), and the output ends of the first motors (5) are fixedly connected to one end of the rotating rod (3).
5. The premixing structure for preventing caking of thermal insulation mortar raw materials according to claim 1, characterized in that: One end of the convex shell (9) is fixedly connected to a second motor (14), and the output end of the second motor (14) is fixedly connected to one end of the rotating rod (12).
6. The premixing structure for preventing caking of thermal insulation mortar raw materials according to claim 1, characterized in that: The other end of the convex shell (9) is fixed and connected to the discharge cylinder (10). The top inner wall of the discharge cylinder (10) and near one side are fixedly connected to a fixing plate (11). One end of the rotating rod (12) passes through the fixing plate (11) and is rotatably connected to its bearing.
7. The premixing structure for preventing caking of thermal insulation mortar raw materials according to claim 1, characterized in that: The inner walls on both sides of the convex shell (9) are provided with grooves (18), and the edges of the filter arc plate (17) are embedded in the grooves (18) and slidably connected to them.
8. The premixing structure for preventing caking of thermal insulation mortar according to claim 1, characterized in that: A square ring plate (15) is fixed and connected to the top of the convex shell (9) and near one end, and a feed funnel (16) is fixed and connected to the top of the square ring plate (15).
9. The premixing structure for preventing caking of thermal insulation mortar raw materials according to claim 1, characterized in that: One end of the filter arc plate (17) passes through the convex shell (9) and is slidably connected to it. The other end of the filter arc plate (17) is embedded in the inner wall of one side of the convex shell (9). One end of the filter arc plate (17) is fixedly connected to the arc plate (19). The bottom of the arc plate (19) and near the center is fixedly connected to the mounting block (21).
10. The premixing structure for preventing caking of thermal insulation mortar according to claim 9, characterized in that: A handle (20) is fixedly connected to one side wall of the arc-shaped plate (19).