Feeding device and stirrer
By designing a feed pipe with a straight pipe section and an inclined pipe section, and installing a material pushing mechanism in the inclined pipe section, the problem of material accumulation at the discharge port of the existing feed pipe is solved, and the smooth entry of materials into the mixer and pushing residual materials is achieved, and the feed efficiency is improved.
Patent Information
- Application Number
- CN202323424845.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2033-12-14
AI Technical Summary
The discharge port of the existing feed pipe is prone to accumulation and blockage, affecting subsequent feeding.
A feed pipe including a straight pipe section and an inclined pipe section is designed. The lower end of the straight pipe section connects to the inclined pipe section, and the lower end of the inclined pipe section forms a discharge port, and a material pushing mechanism is installed in the inclined pipe section. The material pushing part moves axially along the inclined pipe section to avoid the through-hole, so that the material enters the mixing chamber of the mixer, and pushes residual material.
It effectively solves the problem of material accumulation at the outlet of the feed pipe, ensures that the material enters the mixer smoothly, avoids clogging of the feed pipe, and improves feed efficiency.
Smart Images
Figure CN222571215U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixer feeding, in particular to a feeding device and a mixer. Background Art
[0002] At present, in the concrete production process, powders (such as cement, lime, fly ash, etc.) are usually transported to the mixer through a screw conveyor through a feed pipe after metering. Since the middle of the mixer is generally a stirring device, the powder can only enter the mixer from the top. In order to ensure uniform mixing, the feed pipe is usually extended into the mixer so that the powder can fall into the mixing center of the mixer. However, such a setting makes the feed pipe easily affected by the water vapor in the mixer, resulting in the accumulation of material at the outlet of the feed pipe, which affects the subsequent feeding. Utility Model Content
[0003] The main purpose of the utility model is to provide a feeding device and a mixer, aiming to solve the problem that material accumulation is easy to occur at the discharge port of the existing feeding pipe.
[0004] To achieve the above object, the utility model provides a feeding device for a mixer, the feeding device comprising:
[0005] A feed pipe, which is used to be installed on the housing of the mixer, wherein the feed pipe has a straight pipe section and an inclined pipe section, the lower end of the straight pipe section is connected to the inclined pipe section to form a through-port, and the lower end of the inclined pipe section forms a discharge port; and,
[0006] A material pushing mechanism, comprising a material pushing portion movably installed in the inclined pipe section along the axial direction of the inclined pipe section;
[0007] Within the active stroke of the pushing part, the pushing part can avoid the through-port, and allow the material to enter the inclined pipe section from the straight pipe section through the through-port, and then fall into the mixing chamber of the mixer from the discharge port; the pushing part can also push the material remaining in the inclined pipe section from the discharge port into the mixing chamber of the mixer.
[0008] Optionally, the pushing mechanism further comprises a linear driving structure arranged at the upper end of the inclined pipe section, the linear driving structure having a fixed end and a movable end relative to each other, the fixed end and the movable end being respectively arranged at the inclined pipe section and the pushing portion.
[0009] Optionally, the linear drive structure can be detachably mounted on the inclined pipe section.
[0010] Optionally, the pushing portion is sealingly mounted on the inclined pipe section.
[0011] Optionally, the pushing portion includes a pushing piston and a flexible sealing sleeve sleeved outside the pushing piston.
[0012] Optionally, the angle between the inclined pipe section and the horizontal plane is α, wherein 45°≤α﹤90°.
[0013] Optionally, 55°≤α≤75°.
[0014] Optionally, the feeding device further comprises a connecting hose, one end of which is connected to the straight pipe section, and the other end of which is used to connect to the feeding device.
[0015] Optionally, the feeding device further comprises a supply device connected to the straight pipe section for conveying materials to the feeding pipe.
[0016] In addition, the utility model also provides a mixer, comprising the above-mentioned feeding device, wherein the feeding device comprises:
[0017] A feed pipe, which is used to be installed on the housing of the mixer, wherein the feed pipe has a straight pipe section and an inclined pipe section, the lower end of the straight pipe section is connected to the inclined pipe section to form a through-port, and the lower end of the inclined pipe section forms a discharge port; and,
[0018] A material pushing mechanism, comprising a material pushing portion movably installed in the inclined pipe section along the axial direction of the inclined pipe section;
[0019] Within the active stroke of the pushing part, the pushing part can avoid the through-port, and allow the material to enter the inclined pipe section from the straight pipe section through the through-port, and then fall into the mixing chamber of the mixer from the discharge port; the pushing part can also push the material remaining in the inclined pipe section from the discharge port into the mixing chamber of the mixer.
[0020] In the technical solution of the utility model, the lower end of the straight pipe section is connected to the inclined pipe section, and the upper end is used to connect the feeding device so as to transport materials to the feeding pipe so that the materials can enter the feeding pipe. The feeding pipe is installed on the shell of the mixer so that the lower end of the inclined pipe section can be connected to the stirring chamber so that the materials in the feeding pipe can flow into the mixer under the action of gravity. The pushing part is movably installed on the inclined pipe section along the axial direction of the inclined pipe section so that when the inclined pipe section generates material accumulation, the inclined pipe section can be pushed. The accumulated material in the inclined pipe section is pushed into the stirring chamber. In this way, by arranging the inclined pipe section and the straight pipe section, it is convenient to transport the material into the stirring chamber and to install the pushing mechanism. At the same time, through the activity of the pushing part, when material accumulates in the inclined pipe section, the accumulated material in the inclined pipe section can be pushed into the stirring chamber, and when there is no material accumulation in the inclined pipe section, the pushing part can be retracted at the upper end of the inclined pipe section to avoid affecting the material transporting of the feeding pipe, thereby solving the problem that material accumulation is easy to occur at the outlet of the existing feeding pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0022] Figure 1 A schematic cross-sectional view of an embodiment of a feeding device provided by the utility model;
[0023] Figure 2 This is a side structural schematic diagram of the mixer provided by the utility model.
[0024] Description of Figure Numbers:
[0025] Label name Label name 100 Feeding device 122 Linear drive structure 110 Feed pipe 130 Connecting hose 111 Inclined pipe section 140 Feeding device 112 Straight pipe section 1000 Blender 120 Pushing mechanism 200 case 121 Pushing Department 210 Stirring chamber
[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] It should be noted that if a directional indication is involved in the embodiments of the present invention, the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.
[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0030] At present, in the concrete production process, powders (such as cement, lime, fly ash, etc.) are usually transported to the mixer through a screw conveyor through a feed pipe after metering. Since the middle of the mixer is generally a stirring device, the powder can only enter the mixer from the top. In order to ensure uniform mixing, the feed pipe is usually extended into the mixer so that the powder can fall into the mixing center of the mixer. However, such a setting makes the feed pipe easily affected by the water vapor in the mixer, resulting in the accumulation of material at the outlet of the feed pipe, which affects the subsequent feeding.
[0031] Based on this, the utility model provides a feeding device for a mixer, aiming to solve the problem that the discharge port of the existing feeding pipe is prone to material accumulation. Figure 1 A schematic diagram of the structure of the feeding device provided by the utility model; Figure 2 The utility model is a schematic diagram of the structure of the mixer.
[0032] Please refer to Figure 1 and Figure 2 The feeding device 100 includes a feeding pipe 110 and a pushing mechanism 120. The feeding pipe 110 is used to be installed on the housing 200 of the mixer 1000. The feeding pipe 110 has a straight pipe section 112 and an inclined pipe section 111. The lower end of the straight pipe section 112 is connected to the inclined pipe section 111 to form a through-hole. The lower end of the inclined pipe section 111 forms a discharge port. The pushing mechanism 120 includes a movably installed on the inclined pipe section along the axial direction of the inclined pipe section 111. The pushing portion 121 in 111 can avoid the through-port within its movable stroke, and allow the material to pass through the through-port from the straight pipe section 112 into the inclined pipe section 111, and then fall into the stirring chamber 210 of the mixer 1000 from the discharge port; the pushing portion 121 can also push the material remaining in the inclined pipe section 111 from the discharge port into the stirring chamber 210 of the mixer 1000.
[0033] In the technical solution of the utility model, the lower end of the straight pipe section 112 is connected to the inclined pipe section 111, and the upper end is used to connect the feeding device 140, so as to convey materials to the feeding pipe 110, so that the materials can enter the feeding pipe 110, and the feeding pipe 110 is installed in the shell 200 of the mixer 1000, so that the lower end of the inclined pipe section 111 can be connected to the stirring chamber 210, so that the materials in the feeding pipe 110 can flow into the mixer 1000 under the action of gravity, and the pushing part 121 is movably installed on the inclined pipe section 111 along the axial direction of the inclined pipe section 111, so that when the inclined pipe section 111 generates material accumulation, the material can be pushed into the mixing chamber 210. The accumulated material in the inclined pipe section 111 is pushed into the stirring chamber 210. In this way, by setting the inclined pipe section 111 and the straight pipe section 112, it is convenient to transport the material into the stirring chamber 210 and to install the pushing mechanism 120. At the same time, through the activity of the pushing part 121, when material accumulates in the inclined pipe section 111, the accumulated material in the inclined pipe section 111 can be pushed into the stirring chamber 210, and when there is no material accumulation in the inclined pipe section 111, the pushing part 121 can be retracted at the upper end of the inclined pipe section 111 to avoid affecting the material transporting of the feeding pipe 110, thereby solving the problem that material accumulation is easy to occur at the outlet of the existing feeding pipe 110.
[0034] It is understandable that there are multiple ways to connect the feed pipe 110 to the housing 200 of the mixer 1000. The feed pipe 110 can be installed on the housing 200 of the mixer 1000 by welding or by screws, etc., and the present invention does not limit this. Furthermore, there are multiple ways to form the straight pipe section 112 and the oblique pipe section 111. The straight pipe section 112 and the oblique pipe section 111 can be integrally formed or assembled, and the present invention does not limit this.
[0035] Furthermore, there are multiple ways to drive the pusher 121 to move. The pusher 121 can be driven by a driving device or manually. The present invention does not limit this. Specifically, in the present embodiment, the pusher mechanism 120 also includes a linear drive structure 122 disposed at the upper end of the inclined pipe section 111. The linear drive structure 122 has a relative fixed end and a movable end. The fixed end and the movable end are respectively disposed at the inclined pipe section 111 and the pusher 121. In this way, by providing the linear drive structure 122 to drive the pusher to move, the automation degree of the feeding device 100 can be improved and the labor intensity can be reduced. It can be understood that there are multiple linear drive structures 122. For example, the linear drive structure 122 can be a cylinder, an oil cylinder, an electric push rod, etc. The present invention does not limit this.
[0036] There are many ways to set the linear drive structure 122 on the oblique pipe section 111. The linear drive structure 122 can be fixed to the oblique pipe section 111 by bonding, or can be fixed to the oblique pipe section 111 by screwing, etc. The utility model does not limit this. Specifically, in this embodiment, the linear drive structure 122 can be detachably installed on the oblique pipe section 111. In this way, a detachable connection method is adopted to facilitate the loading and unloading of the linear drive structure 122, so as to facilitate subsequent maintenance or replacement. It can be understood that there are many detachable connection methods, for example, it can be a snap connection, it can also be a screw connection, etc. The utility model does not limit this.
[0037] Since the inclined pipe section 111 is connected to the stirring chamber 210 of the mixer 1000, the water vapor in the stirring chamber 210 can easily enter the feeding device 140 through the feeding pipe 110. For this reason, a butterfly valve is usually arranged at the discharge port of the feeding device 140 to block the water vapor from entering the feeding device 140 to prevent the feeding device 140 from being corroded or the material in the feeding device 140 from agglomerating. In the utility model, the pushing part 121 is sealingly installed on the inclined pipe section 111. When the feeding device 140 completes feeding, the pushing part 121 can move to the lower end of the inclined pipe section 111, so as to push the material in the inclined pipe section 111 into the stirring chamber 210 of the mixer 1000 and seal the discharge port to prevent the water vapor in the stirring chamber 210 from entering the feeding device 140 through the feeding pipe 110 to avoid affecting the feeding of the feeding device 140.
[0038] In some embodiments of the present invention, the pushing portion 121 includes a pushing piston and a flexible sealing sleeve sleeved outside the pushing piston. There are various shapes of the pushing piston, and the pushing piston may be a cylindrical structure, a prismatic structure, etc., which is not limited in the present invention. Specifically, the pushing piston is mainly used for pushing materials in the inclined pipe section 111, and needs to have a certain hardness and strength. There are many choices for its material. The pushing piston may be made of metal materials such as iron and aluminum, or alloy materials such as steel and aluminum alloy, or inorganic non-metallic materials such as nano-ceramics, etc., which is not limited in the present invention. There are various materials for the flexible sealing sleeve, and the material of the flexible sealing sleeve may be rubber, or sponge, etc., which is not limited in the present invention.
[0039] In this embodiment, the pushing piston is provided to ensure the strength of the pushing portion 121 and facilitate pushing. At the same time, a flexible sealing sleeve is provided to seal the gap between the pushing piston and the inclined pipe section 111 to prevent water vapor in the stirring chamber 210 from entering the feeding device 140 through the feeding pipe 110.
[0040] In some embodiments of the present invention, the angle between the inclined pipe section 111 and the horizontal plane is α, wherein 45°≤α﹤90°. Since the larger the inclination angle of the inclined pipe section 111, the smaller the angle between the inclined pipe section 111 and the straight pipe section 112, which makes it inconvenient to install the linear drive structure 122. The smaller the inclination angle of the inclined pipe section 111, the more horizontal the inclined pipe section 111 is, which is not conducive to the material flowing out of the inclined pipe section 111, making it easy for the inclined pipe section 111 to have material accumulation problems. Therefore, 45°≤α﹤90° is set so that the material in the inclined pipe section 111 can flow smoothly into the mixing chamber 210 of the mixer 1000 under the action of gravity, thereby effectively avoiding material accumulation in the inclined pipe section 111. It is understandable that the angle α between the inclined pipe section 111 and the horizontal plane can be 50°, 60°, 70° or 80°, and of course can be any value in the above range, and the utility model does not limit this. Further, 55°≤α≤75°, which is convenient for installing the linear drive structure 122 and for materials to flow into the mixing chamber 210 of the mixer 1000, and prevents the inclined pipe section 111 from accumulating materials.
[0041] In some embodiments of the present invention, the feeding device 100 further includes a feeding device 140 connected to the straight pipe section 112, for conveying materials to the feeding pipe 110, so that the materials can enter the stirring chamber 210 through the feeding pipe 110. Thus, the feeding device 140 is provided to convey materials to the mixer 1000. It is understandable that there are many types of feeding devices 140, and the feeding device 140 can be a belt conveyor, a screw conveyor, etc., and the present invention does not limit this.
[0042] There are many ways to connect the feeding device 140 and the feeding pipe 110. The feeding device 140 and the feeding pipe 110 can be rigidly connected or softly connected. The present invention does not limit this. However, since the mixer 1000 will vibrate during the mixing process, if the feeding device 140 and the feeding pipe 110 are rigidly connected, the vibration will be transmitted to the feeding device 140, affecting the feeding of the feeding device 140. For this reason, in the present embodiment, the feeding device 100 also includes a connecting hose 130, one end of the connecting hose 130 is connected to the straight pipe section 112, and the other end is used to connect to the feeding device 140. In this way, by providing the connecting hose 130, the feeding pipe 110 and the feeding device 140 are isolated to prevent the feeding pipe 110 from transmitting the vibration of the mixer 1000 to the feeding device 140, so as not to affect the feeding of the feeding device 140.
[0043] In addition, to achieve the above purpose, the utility model further provides a mixer 1000, including the above-mentioned feeding device 100. It should be noted that the structure of the feeding device 100 in the mixer 1000 can refer to the embodiment of the above-mentioned feeding device 100, which will not be repeated here; since the above-mentioned feeding device 100 is used in the mixer 1000 provided by the utility model, the embodiment of the mixer 1000 provided by the utility model includes all technical solutions of all embodiments of the above-mentioned feeding device 100, and the technical effects achieved are also exactly the same, which will not be repeated here.
[0044] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made under the concept of the present invention using the contents of the specification and drawings of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A feeding device for a mixer, characterized in that: The feeding device comprises: a feed pipe (110) for being installed on the housing (200) of the mixer, the feed pipe (110) comprising a straight pipe section (112) and an inclined pipe section (111), the lower end of the straight pipe section (112) being connected to the inclined pipe section (111) to form a through opening, and the lower end of the inclined pipe section (111) forming a discharge opening; and, A material pushing mechanism (120) comprises a material pushing portion (121) movably installed in the inclined tube section (111) along the axial direction of the inclined tube section (111); Within the movable stroke of the pushing portion (121), the pushing portion (121) can avoid the through-port, and allow the material to enter the inclined pipe section (111) from the straight pipe section (112) through the through-port, and then fall into the stirring chamber (210) of the mixer from the discharge port; the pushing portion (121) can also push the material remaining in the inclined pipe section (111) from the discharge port into the stirring chamber (210) of the mixer.
2. The feeding device according to claim 1, characterized in that The pushing mechanism (120) further comprises a linear driving structure (122) arranged at the upper end of the inclined tube section (111), wherein the linear driving structure (122) has a fixed end and a movable end opposite to each other, wherein the fixed end and the movable end are respectively arranged at the inclined tube section (111) and the pushing portion (121).
3. The feeding device according to claim 2, characterized in that The linear drive structure (122) is detachably mounted on the inclined pipe section (111).
4. The feeding device according to claim 1, characterized in that The pushing portion (121) is sealingly mounted on the inclined pipe section (111).
5. The feeding device according to claim 4, characterized in that The pushing portion (121) comprises a pushing piston and a flexible sealing sleeve sleeved outside the pushing piston.
6. The feeding device according to claim 1, characterized in that The angle between the inclined pipe section (111) and the horizontal plane is α, wherein 45°≤α﹤90°.
7. The feeding device according to claim 6, characterized in that 55°≤α≤75°。 8. The feeding device according to claim 1, characterized in that The feeding device further comprises a connecting hose (130), one end of which is connected to the straight pipe section (112), and the other end of which is connected to the feeding device (140).
9. The feeding device according to claim 1, characterized in that: The feeding device also includes a supply device (140) connected to the straight pipe section (112) and used for conveying materials to the feeding pipe (110).
10. A mixer, characterized in that: Comprising a feeding device as described in any one of claims 1 to 9.