Mechanism sand anti-arching discharging device
By designing components such as storage hoppers and lifting frames, the problems of convenient and rapid material feeding and mixing in the manufactured sand feeding device have been solved, improving maintenance convenience and feeding efficiency, and enabling flexible adjustment of feeding speed and position.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOMA SHENTIAN (CHONGQING) NEW MATERIALS CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-24
AI Technical Summary
Existing manufactured sand feeding devices are not convenient for quick and easy feeding, mixing, and adjustment of feeding speed and position, which affects the ease of maintenance.
It employs components such as a storage hopper, lifting frame, stirring rod, spiral blade, stepper motor, and servo motor to achieve automated control of mixing, conveying, and discharging, allowing for individual replacement of damaged parts and adjustment of discharging speed and position.
It enables convenient and rapid feeding, mixing and conveying of manufactured sand, avoids blockages, and improves maintenance convenience and feeding efficiency.
Smart Images

Figure CN224547267U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of feeding devices, specifically a machine-made sand anti-arching feeding device. Background Technology
[0002] Manufactured sand raw materials include natural stone such as granite and limestone, as well as recycled resources such as construction waste and tailings. The mud content and stone powder content are controlled through dry or wet processes. Compared with natural sand, its strength is slightly lower, but it meets the requirements of ordinary concrete. The fineness modulus needs to be adjusted and the lime-sand ratio controlled according to the project requirements. It needs to be verified by testing in high-strength concrete applications. Mixed sand is made by combining manufactured sand and extra-fine river sand. The sand ratio needs to be optimized to ensure the strength and durability of the concrete.
[0003] As disclosed in the authorized announcement number CN221893746U, a material feeding device for preventing blockage in a manufactured sand silo relates to the field of material feeding silo anti-blockage technology. Its key technical points are: a material feeding device for preventing blockage in a manufactured sand silo includes a material feeding silo, a support for fixing the material feeding silo, a filter screen placed inside the material feeding silo, a vibration motor installed on the outer wall of the material feeding silo, and a shock-absorbing spring connecting the material feeding silo and the support. The material feeding silo includes a straight cylindrical section, a truncated cone section, and a discharge section connected sequentially from top to bottom. Several evenly distributed air outlets are opened on the side wall of the truncated cone section. A jacket is provided around the truncated cone section, and a cavity is formed between the truncated cone section and the jacket. An air source communicating with the cavity is connected to the side wall of the jacket.
[0004] While it achieves the advantage of good anti-clogging effect, it does not solve the problems that existing feeding devices are generally not conducive to convenient and fast feeding of manufactured sand, not convenient to mix manufactured sand, affect the convenience of repairing the feeding device when damaged, not convenient to adjust the feeding speed of manufactured sand, and not convenient to adjust the position and height of the feeding of manufactured sand. Utility Model Content
[0005] The purpose of this utility model is to provide a pre-emergence anti-arching feeding device for manufactured sand, so as to solve the problems mentioned in the background art that the feeding device is not convenient for convenient and fast feeding of manufactured sand, not convenient for convenient mixing of manufactured sand, affecting the convenience of repairing the feeding device when damaged, not convenient for convenient adjustment of the feeding speed of manufactured sand, and not convenient for convenient adjustment of the feeding position and height of manufactured sand.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:
[0007] A manufactured sand anti-arching feeding device includes a storage hopper and a lifting frame. Two sets of lifting frames are symmetrically installed at the bottom of the storage hopper. A support cylinder is slidably installed at the bottom of each lifting frame, and the lifting frame extends into the interior of the support cylinder. A conveying frame is installed at the bottom of the storage hopper on one side of the support cylinder. A feeding box is installed on the outer wall of the conveying frame away from the storage hopper. A power motor is installed on the outer wall of the storage hopper. A stirring rod is installed at the output end of the power motor, extending to the outside of the storage hopper and movably connected to it. The surface of the stirring rod is fitted with stirring blades. A feeding trough is provided on the outer wall of the storage hopper below the stirring rod. A stepper motor is installed on the outer wall of the conveyor frame away from the feeding hopper. A pulley assembly is provided at the output end of the stepper motor. A reducer is installed on the outer wall of the conveyor frame on one side of the pulley assembly, and the pulley assembly extends to the surface of the reducer. A rotating shaft is movably installed inside the reducer and extends into the interior of the conveyor frame. The rotating shaft is movably connected to the conveyor frame. Multiple sets of support blocks with equal spacing are fitted on the surface of the rotating shaft.
[0008] Optionally, multiple sets of equidistant limiting frames are provided outside the rotating shaft on one side of the support block, and the support block is connected to the limiting frames.
[0009] Optionally, a connecting frame is installed on the outer wall of each limiting frame, and a spiral blade is installed on the outer wall of each connecting frame.
[0010] Optionally, adjusting cylinders are symmetrically installed on the outer wall of the feeding box, and each adjusting cylinder has a drive shaft installed at its output end.
[0011] Optionally, the surface of each drive shaft is fitted with a drive frame, and rotating arms are symmetrically and movably mounted on the outer wall of each drive frame.
[0012] Optionally, a drive shaft is installed on the outer wall of the drive frame near the rotating arm, and the drive frame is connected to the rotating arm through the drive shaft.
[0013] Optionally, an adjusting shaft is symmetrically and movably installed at the bottom of the feed box on one side of the drive frame, and a baffle is fitted on the surface of each adjusting shaft.
[0014] Optionally, each of the baffles is symmetrically equipped with a connecting seat, and each of the rotating arms is equipped with a power shaft on the outer wall of the side near the connecting seat, and the rotating arm is connected to the connecting seat through the power shaft.
[0015] Optionally, each of the support cylinders is symmetrically equipped with a servo motor, and each servo motor's output end is equipped with a threaded rod.
[0016] Optionally, the surface of the threaded rod is fitted with a threaded sleeve, and a lifting plate is installed between the two sides of the threaded sleeve, and the lifting plate is connected to the lifting frame.
[0017] Compared with the prior art, the beneficial effects of this utility model are: the feeding device not only realizes the convenient and fast feeding of manufactured sand, facilitates the convenient mixing of manufactured sand, avoids blockage caused by manufactured sand, improves the convenience of repairing the feeding device when damaged, facilitates the convenient adjustment of the feeding speed of manufactured sand, but also facilitates the convenient adjustment of the feeding position and height of manufactured sand.
[0018] A motor drives a stirring rod to rotate, which in turn drives the stirring blades to rotate, facilitating the mixing of the manufactured sand inside the storage hopper. This prevents the sand from arching and clogging. After mixing, the manufactured sand is conveyed through a feeding chute to the inside of a conveying frame. A stepper motor drives a pulley assembly to rotate, which in turn drives a rotating shaft via a reducer. The rotating shaft drives multiple sets of support blocks to rotate, which in turn drive multiple sets of limit frames to rotate. The limit frames, via multiple connecting frames, drive a spiral blade to rotate, facilitating the convenient conveying of the manufactured sand by the spiral blade. The spiral blade then carries the manufactured sand through the feeding box to the outside. When a set of spiral blades is damaged, it can be replaced individually. This system enables convenient and rapid feeding of the manufactured sand, facilitates efficient mixing, prevents clogging, improves the anti-arching effect, facilitates convenient conveying, increases the efficiency of the feeding process, and enhances the ease of maintenance when the feeding device is damaged.
[0019] The adjusting cylinder drives the drive frame to move via the drive shaft, the drive frame drives the rotating arm to rotate via the transmission shaft, the rotating arm drives the connecting seat to rotate around the adjusting shaft via the power shaft, and the connecting seat drives the baffle to rotate, so as to facilitate convenient control of the feeding speed of the manufactured sand by the baffle. This realizes the convenient adjustment of the feeding speed of the manufactured sand by the feeding device, which makes it easier for the staff to control the feeding speed of the manufactured sand according to the needs of the site, and improves the convenience of feeding the manufactured sand.
[0020] The servo motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the lifting plate to move, the lifting plate drives the lifting frame to move, and the lifting frame drives the storage hopper, conveying frame and discharge box to be easily adjusted to the appropriate position, realizing convenient height adjustment of the discharge device, and facilitating convenient adjustment of the position and height of the manufactured sand discharge. Attached Figure Description
[0021] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.
[0022] Figure 1 This is a front view structural diagram of the present utility model;
[0023] Figure 2 This is a three-dimensional structural diagram of the present invention;
[0024] Figure 3 This is a three-dimensional structural diagram of the spiral blade of this utility model;
[0025] Figure 4 This is a three-dimensional structural diagram of the storage hopper of this utility model;
[0026] Figure 5 This is a three-dimensional structural diagram of the support block of this utility model;
[0027] Figure 6 This is a three-dimensional structural diagram of the feeding box of this utility model;
[0028] Figure 7 This is a three-dimensional structural diagram of the lifting frame of this utility model;
[0029] Figure 8 This is a three-dimensional structural diagram of the speed reducer of this utility model;
[0030] Figure 9 This is a three-dimensional structural diagram of the rotating shaft of this utility model.
[0031] Figure label:
[0032] 1. Storage hopper; 2. Lifting frame; 3. Support cylinder; 4. Conveying frame; 5. Discharge box; 6. Power motor; 7. Mixing rod; 8. Mixing blade; 9. Stepper motor; 10. Pulley assembly; 11. Reducer; 12. Rotating shaft; 13. Support block; 14. Limiting frame; 15. Connecting frame; 16. Spiral blade; 17. Adjusting cylinder; 18. Drive shaft; 19. Drive frame; 20. Rotating arm; 21. Transmission shaft; 22. Adjusting shaft; 23. Baffle; 24. Connecting seat; 25. Power shaft; 26. Servo motor; 27. Threaded rod; 28. Threaded sleeve; 29. Lifting plate; 30. Discharge chute.
[0033] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation
[0034] The following is a detailed description of a machine-made sand anti-arching feeding device provided by this utility model, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; for some known technologies, those skilled in the art can also use other alternative methods to implement the invention. Furthermore, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.
[0035] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.
[0036] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.
[0037] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.
[0038] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.
[0039] like Figures 1 to 9As shown, an embodiment of this utility model provides a machined sand anti-arching feeding device, including a storage hopper 1 and a lifting frame 2. Two sets of lifting frames 2 are symmetrically installed at the bottom of the storage hopper 1. A support cylinder 3 is slidably installed at the bottom of each lifting frame 2, and the lifting frame 2 extends into the interior of the support cylinder 3. A conveying frame 4 is installed at the bottom of the storage hopper 1 on one side of the support cylinder 3. A feeding box 5 is installed on the outer wall of the conveying frame 4 away from the storage hopper 1. A power motor 6 is installed on the outer wall of the storage hopper 1. A stirring rod 7 is installed at the output end of the power motor 6, and the stirring rod 7 extends to the outside of the storage hopper 1 and is movably connected to the storage hopper 1. A stirring blade 8 is fitted on the surface of the stirring rod 7. A feeding trough 30 is provided on the outer wall of the storage hopper 1 below the stirring rod 7. The conveying frame 4 is located at the bottom of the storage hopper 1. A stepper motor 9 is installed on the outer wall of the feed box 5. A pulley assembly 10 is provided at the output end of the stepper motor 9. A reducer 11 is installed on the outer wall of the conveyor frame 4 on one side of the pulley assembly 10. The pulley assembly 10 extends to the surface of the reducer 11. A rotating shaft 12 is movably installed inside the reducer 11. The rotating shaft 12 extends into the interior of the conveyor frame 4 and is movably connected to the conveyor frame 4. Multiple sets of support blocks 13 with equal spacing are fitted on the surface of the rotating shaft 12. Multiple sets of limit frames 14 with equal spacing are provided outside the rotating shaft 12 on one side of the support block 13. The support block 13 is connected to the limit frame 14. A connecting frame 15 is installed on the outer wall of each limit frame 14. A spiral blade 16 is installed on the outer wall of each connecting frame 15.
[0040] The manufactured sand is poured into the storage hopper 1. The power motor 6 is turned on. Supported by the storage hopper 1, the power motor 6 drives the stirring rod 7 to rotate. The storage hopper 1 provides movable support for the stirring rod 7, which in turn drives the stirring blade 8 to rotate. This facilitates the stirring of the manufactured sand inside the storage hopper 1 by the stirring blade 8, preventing the manufactured sand from arching and clogging. After stirring, the manufactured sand is conveyed through the discharge chute 30 to the inside of the conveyor frame 4. The stepper motor 9 is turned on. Supported by the conveyor frame 4, the stepper motor 9 drives the pulley assembly 10 to rotate. The pulley assembly 10 drives the rotating shaft 12 to rotate through the reducer 11. The conveyor frame 4 provides movable support for the rotating shaft 12, which drives the rotating shaft 12 to rotate. Multiple sets of support blocks 13 rotate, which in turn drive multiple sets of limit frames 14 to rotate. The limit frames 14, through multiple sets of connecting frames 15, drive the spiral blades 16 to rotate, facilitating the convenient conveying of manufactured sand by the spiral blades 16. The spiral blades 16 then carry the manufactured sand through the feeding box 5 to the outside. When a set of spiral blades 16 is damaged, the damaged set of spiral blades 16 can be replaced individually. This achieves convenient and rapid feeding of manufactured sand by the feeding device, facilitates convenient mixing of the manufactured sand, avoids blockage caused by the manufactured sand, improves the anti-arching effect of the manufactured sand, facilitates convenient conveying of the manufactured sand, improves the efficiency of manufactured sand feeding, and enhances the convenience of repairing the feeding device in case of damage.
[0041] Adjusting cylinders 17 are symmetrically installed on the outer wall of the feeding box 5. Each adjusting cylinder 17 has a drive shaft 18 installed at its output end. Each drive shaft 18 has a drive frame 19 mounted on its surface. Each drive frame 19 has a rotating arm 20 symmetrically and movably installed on its outer wall. Each drive frame 19 has a transmission shaft 21 mounted on its outer wall near the rotating arm 20. The drive frame 19 is connected to the rotating arm 20 via the transmission shaft 21. Each feeding box 5 has an adjusting shaft 22 symmetrically and movably installed at its bottom end on one side of the drive frame 19. Each adjusting shaft 22 has a baffle 23 mounted on its surface. Each baffle 23 has a connecting seat 24 symmetrically installed on its outer wall. Each rotating arm 20 has a power shaft 25 mounted on its outer wall near the connecting seat 24. The rotating arm 20 is connected to the connecting seat 24 via the power shaft 25.
[0042] When it is necessary to adjust the feeding speed of manufactured sand, open the two sets of adjusting cylinders 17. With the support of the feeding box 5, the adjusting cylinders 17 drive the drive frame 19 to move via the drive shaft 18. The drive frame 19 drives the rotating arm 20 to rotate via the transmission shaft 21. The rotating arm 20 drives the connecting seat 24 to rotate around the adjusting shaft 22 via the power shaft 25. The connecting seat 24 drives the baffle 23 to rotate, thereby adjusting the opening size of the two sets of baffles 23. This facilitates convenient control of the feeding speed of manufactured sand by the baffles 23, realizing convenient adjustment of the feeding speed of manufactured sand by the feeding device. This makes it easier for the staff to control the feeding speed of manufactured sand according to the needs of the site, and improves the convenience of feeding manufactured sand.
[0043] Servo motors 26 are symmetrically installed inside the support cylinder 3. Threaded rods 27 are installed at the output ends of the servo motors 26. Threaded sleeves 28 are fitted onto the surface of the threaded rods 27. Lifting plates 29 are installed between the two sides of the threaded sleeves 28, and the lifting plates 29 are connected to the lifting frame 2.
[0044] When the height of the storage hopper 1 needs to be adjusted, multiple servo motors 26 are turned on. With the support of the support cylinder 3, the servo motors 26 drive the threaded rod 27 to rotate. With the threaded connection between the threaded rod 27 and the threaded sleeve 28, the threaded rod 27 drives the threaded sleeve 28 to move. The threaded sleeve 28 drives the lifting plate 29 to move. The lifting plate 29 drives the lifting frame 2 to move. The lifting frame 2 drives the storage hopper 1, the conveying frame 4, and the discharge box 5 to be conveniently adjusted to the appropriate position, realizing convenient height adjustment of the discharge device and facilitating convenient adjustment of the position and height of the manufactured sand discharge.
[0045] The working principle of the technical solution provided by this utility model is as follows: The power motor 6 drives the stirring rod 7 to rotate, the storage hopper 1 provides movable support for the stirring rod 7, and the stirring rod 7 drives the stirring blade 8 to rotate, so as to facilitate the stirring blade 8 to stir the manufactured sand inside the storage hopper 1, so as to facilitate the anti-arching of the manufactured sand and avoid blockage. After the manufactured sand is stirred, it is conveyed to the inside of the conveying frame 4 through the feeding chute 30. The stepper motor 9 drives the pulley assembly 10 to rotate, and the pulley assembly 10 drives the rotating shaft 12 to rotate through the reducer 11. The conveying frame 4 provides movable support for the rotating shaft 12, and the rotating shaft 12 drives multiple sets of support blocks 13 to rotate. The support blocks 13 drive multiple sets of limit frames 14 to rotate, and the limit frames 14 drive the spiral blade 16 to rotate through multiple sets of connecting frames 15, so as to facilitate the convenient conveying of the manufactured sand by the spiral blade 16. The 16-driven spiral blades 16 can conveniently discharge the manufactured sand through the feeding box 5 to the outside. When a set of spiral blades 16 is damaged, the damaged set of spiral blades 16 can be replaced individually. The adjusting cylinder 17 drives the drive frame 19 to move through the drive shaft 18. The drive frame 19 drives the rotating arm 20 to rotate through the transmission shaft 21. The rotating arm 20 drives the connecting seat 24 to rotate around the adjusting shaft 22 through the power shaft 25. The connecting seat 24 drives the baffle 23 to rotate, so that the baffle 23 can conveniently control the discharge speed of the manufactured sand. The servo motor 26 drives the threaded rod 27 to rotate. The threaded rod 27 drives the threaded sleeve 28 to move. The threaded sleeve 28 drives the lifting plate 29 to move. The lifting plate 29 drives the lifting frame 2 to move. The lifting frame 2 drives the storage hopper 1, the conveying frame 4, and the feeding box 5 to be conveniently adjusted to the appropriate position to complete the use of the feeding device.
[0046] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.
[0047] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A device for preventing arching of manufactured sand during feeding, characterized in that: The device includes a storage hopper and a lifting frame. Two sets of lifting frames are symmetrically installed at the bottom of the storage hopper. Each lifting frame has a support cylinder slidably installed at its bottom, extending into the interior of the support cylinder. A conveying frame is installed at the bottom of the storage hopper on one side of the support cylinder. A discharge box is installed on the outer wall of the conveying frame away from the storage hopper. A power motor is installed on the outer wall of the storage hopper. A stirring rod is installed at the output end of the power motor, extending into the outside of the storage hopper and movably connected to it. A stirring blade is fitted on the surface of the stirring rod. A discharge trough is provided on the outer wall of the storage hopper below the stirring rod. A stepper motor is installed on the outer wall of the conveying frame away from the discharge box. A pulley assembly is provided at the output end of the stepper motor. A reducer is installed on the outer wall of the conveying frame on one side of the pulley assembly, extending into the surface of the reducer. A rotating shaft is movably installed inside the reducer, extending into the interior of the conveying frame and movably connected to it. Multiple sets of support blocks at equal intervals are fitted on the surface of the rotating shaft.
2. The manufactured sand anti-arching feeding device according to claim 1, characterized in that: Multiple sets of equidistant limiting frames are provided outside the rotating shaft on one side of the support block, and the support block is connected to the limiting frames.
3. The anti-arching feeding device for manufactured sand according to claim 2, characterized in that: Each of the limiting frames is equipped with a connecting frame on its outer wall, and each of the connecting frames is equipped with a spiral blade on its outer wall.
4. The anti-arching feeding device for manufactured sand according to claim 3, characterized in that: Adjusting cylinders are symmetrically installed on the outer wall of the feeding box, and each of the adjusting cylinders has a drive shaft installed at its output end.
5. The anti-arching feeding device for manufactured sand according to claim 4, characterized in that: Each drive shaft has a drive frame fitted on its surface, and each drive frame has a rotating arm symmetrically and movably mounted on its outer wall.
6. The anti-arching feeding device for manufactured sand according to claim 5, characterized in that: Each drive frame has a drive shaft mounted on its outer wall near the rotating arm, and the drive frame is connected to the rotating arm via the drive shaft.
7. The manufactured sand anti-arching feeding device according to claim 6, characterized in that: Adjustment shafts are symmetrically and movably installed at the bottom of the feed box on one side of the drive frame, and baffles are fitted on the surface of each adjustment shaft.
8. The anti-arching feeding device for manufactured sand according to claim 7, characterized in that: Connecting seats are symmetrically installed on the outer wall of each baffle, and a power shaft is installed on the outer wall of each rotating arm near the connecting seat, and the rotating arm is connected to the connecting seat through the power shaft.
9. The anti-arching feeding device for manufactured sand according to claim 8, characterized in that: Each of the support cylinders has a servo motor symmetrically installed inside, and each servo motor has a threaded rod installed at its output end.
10. The anti-arching feeding device for manufactured sand according to claim 9, characterized in that: The surface of the threaded rod is fitted with a threaded sleeve, and a lifting plate is installed between the two sides of the threaded sleeve, and the lifting plate is connected to the lifting frame.