Calcium carbonate particle discharging equipment

By combining a rotary feeding device and a screw discharge device, and using the rotary shaft to drive the camshaft to strike and the screw blades to push, the clogging problem in the calcium carbonate granule discharge equipment is solved, achieving uniform discharge and efficient conveying, and reducing costs and energy consumption.

CN223950318UActive Publication Date: 2026-02-27GUANGXI XINGAI BIOLOGICAL SCI & TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520783106.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-27
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

Existing calcium carbonate granule discharge equipment is prone to blockage due to bridging caused by granule accumulation, resulting in uneven discharge and reduced discharge efficiency.

Method used

The combination of a rotary feeding device and a screw discharge device is used. The rotary feeding device drives the camshaft to rotate, periodically striking the inner wall of the hopper to break the arch structure of the particles. At the same time, the screw blades of the screw discharge device promote the flow of materials and use airflow to assist in conveying, thus avoiding blockage.

Benefits of technology

This method achieves uniform discharge of calcium carbonate granules, improves discharge efficiency, reduces equipment costs, extends equipment lifespan, and lowers energy consumption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223950318U_ABST
    Figure CN223950318U_ABST
Patent Text Reader

Abstract

The utility model discloses calcium carbonate particle discharging equipment which comprises a stock bin, a rotary feeding device, a spiral discharging device and a driving part, the stock bin is communicated with the rotary feeding device, the rotary feeding device is communicated with the spiral discharging device, and the driving part is connected with the spiral discharging device. The rotary feeding device comprises a first shell, a second shell, a rotating shaft, blades, a tension spring and a beating rod, the rotating shaft penetrates through the first shell and the second shell and is connected with the spiral discharging device, the blades are arranged on the rotating shaft, a cam shaft intersecting with the rotating shaft is arranged on the second shell, the beating rod is arranged on the first shell, and a cam is arranged on the cam shaft; the beating rod abuts against the cam, and the tension spring is connected between the first shell and the beating rod. The rotary feeding device and the spiral discharging device are used in cooperation, the discharging uniformity is improved, the rotary feeding device runs and drives the cam to rotate at the same time, the beating rod is made to beat the first shell to generate vibration, particle bridging is prevented, and smooth flowing of materials is kept.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to calcium carbonate processing technical field, concretely relates to a calcium carbonate particle discharging equipment. BACKGROUND

[0002] Heavy calcium carbonate is an important food additive, and the heavy calcium carbonate is formed by grinding natural carbonate minerals such as calcite, marble and limestone; the finished product after grinding is usually temporarily stored in a hopper tank, and needs to be quantitatively discharged and bagged through a discharging device during subpackaging. Since the calcium carbonate particles have a certain weight and volume, they are prone to accumulate and bridge at the bottom of the hopper tank during discharging, causing blockage and incoherent discharging, thereby affecting the discharging efficiency.

[0003] The existing patent with the publication number CN206437442U discloses a calcium carbonate discharging device, which comprises a hopper and a lifting device. The hopper is a rectangular box body as a whole, the top of the hopper is provided with a hopper inlet, the bottom plate of the hopper is inclined to one side, the lower part of the hopper bottom plate is provided with a hopper outlet, and a baffle plate is fixedly arranged on the hopper sidewall above the hopper outlet. This patent buffers the materials entering from the inlet through the baffle plate, prevents excessive materials from stacking at the outlet to form vertical compaction, and causes the outlet to be blocked. However, the materials are prone to accumulate and bridge on the baffle plate, which still causes incoherent discharging. SUMMARY

[0004] The main purpose of the utility model is to overcome the defects in the above background technology, and provide a calcium carbonate particle discharging equipment.

[0005] The utility model provides a calcium carbonate particle discharging equipment, including stock bin, rotary feeding device, spiral discharging device and driving piece, the outlet of stock bin with rotary feeding device's entrance intercommunication, the outlet of rotary feeding device with spiral discharging device's entrance intercommunication, driving piece with spiral discharging device transmission is connected, rotary feeding device includes first housing, second housing, rotating shaft, vane, tension spring and knock stick, first housing is established between stock bin and spiral discharging device, second housing is sleeved in the periphery of first housing, rotating shaft passes through first housing and second housing, one end of rotating shaft with spiral discharging device transmission is connected, the vane is installed on the shaft section of rotating shaft in first housing, the clearance of first housing and second housing is erected with the camshaft that intersects with rotating shaft, knock stick is hinged on first housing, is equipped with cam on camshaft, one end of knock stick with cam abuts, one end of tension spring with knock stick is connected, the other end of tension spring with first housing is connected. Through driving piece, spiral discharging device and rotary feeding device are driven simultaneously and run, reduce cost, through the cooperation of rotary feeding device and spiral discharging device, the discharging amount of calcium carbonate particles can be more accurately controlled, and the discharging uniformity is improved, the rotating shaft rotates simultaneously and can drive the camshaft to rotate synchronously, the cam on the camshaft rotates synchronously, the cam periodically drives the knock stick to reciprocatingly rotate and knock the first housing to generate vibration, the arch structure formed by the calcium carbonate particles at the feeding end of the first housing is destroyed, the formation of the particle bridge is prevented in time, the smooth flow of the material can be more efficiently maintained, and the discharging efficiency is improved.

[0006] Further optimize technical scheme, the outer contour of the cam is provided with a notch. When the cam rotates to the notch position, the knock stick will be driven away from the cam, and the knock stick will be turned to one side of the first housing to knock the outer wall of the first housing to generate vibration.

[0007] Further optimize technical scheme, one end of the knock stick is provided with a hammer head, and a rubber pad corresponding to the hammer head is arranged on the first housing. The rubber pad can effectively absorb the impact force generated when the hammer head knocks, reduce the direct impact on the first housing, avoid damage such as cracks and deformation of the housing caused by long-term frequent knocking, thereby prolonging the service life of the first housing, and the rubber pad also plays a role in sound insulation and noise reduction.

[0008] Further optimize technical scheme, a fulcrum seat is arranged on the first housing, the knock stick is in a V-shaped rod structure, the V-shaped bottom of the knock stick is hinged to the fulcrum seat, the tension spring is connected to the knock stick on one side of the fulcrum seat, and the cam abuts on the knock stick on the other side of the fulcrum seat.

[0009] Further optimize technical scheme, the rotating shaft is equipped with first bevel gear, the camshaft is equipped with second bevel gear, the first bevel gear and the second bevel gear are engaged. Through bevel gear drive connection, make rotating shaft can drive camshaft synchronous rotation.

[0010] Further optimize technical scheme, the spiral discharging device includes conveying pipe and spiral shaft, the conveying pipe is horizontally arranged on the installation platform, the spiral shaft is installed on the conveying pipe, the spiral shaft is equipped with spiral blade in the shaft section portion in the conveying pipe, the conveying pipe upper end is provided with feed inlet, the conveying pipe lower end is provided with discharge outlet, one end of the spiral shaft is connected with the driving part, the feed inlet is connected with the outlet of the first shell. Under the push of spiral blade, calcium carbonate particles move to the direction of discharge outlet.

[0011] Further optimize technical scheme, the spiral shaft is hollow shaft structure, one end of the spiral shaft is equipped with swivel joint, the swivel joint is connected with external air compressor unit through air inlet pipe, a plurality of air blowing holes are formed in the spiral shaft. Through air inlet pipe, compressed air is sprayed from air blowing hole, and a gas flow is formed in the direction of discharge outlet, which assists the pushing effect of spiral blade.

[0012] Further optimize technical scheme, the blowing direction of a plurality of air blowing holes is towards the side of the discharge outlet. The blown gas flow is towards the side of the discharge outlet, improving the discharging efficiency.

[0013] Further optimize technical scheme, one end of the spiral shaft is respectively provided with first pulley and second pulley, the first pulley is connected with the output pulley of the driving part through the first belt, one end of the rotating shaft is provided with third pulley, the second pulley is connected with the third pulley through the second belt. Through a driving part, the spiral shaft and the rotating shaft are driven to rotate at the same time.

[0014] Further optimize technical scheme, the bottom of the bin is conical structure.

[0015] The beneficial effects of the utility model include: through the cooperation of the rotary feeding device and the spiral discharging device, the discharge amount of calcium carbonate particles can be more accurately controlled, and the discharge uniformity is improved; the rotating shaft of the rotary feeding device can drive the camshaft to rotate synchronously, the cam on the camshaft rotates synchronously, the first shell is vibrated by the reciprocating rotation and knocking of the knocking rod driven by the cam periodically, the arch structure of calcium carbonate particles formed at the feeding end of the first shell is destroyed, the formation of particle bridging is timely prevented, and the smooth flow of materials can be more efficiently maintained; the power of the rotary feeding device and the spiral discharging device is driven by a driving part, multiple driving parts are not needed, and the cost can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall schematic view of the calcium carbonate particle discharging equipment in the embodiment of the utility model.

[0017] Figure 2 is the schematic view of the rotary feeding device in the embodiment of the utility model.

[0018] Figure 3 is the schematic view of the rotary feeding device after removing the second shell in the embodiment of the utility model.

[0019] Figure 4 is the schematic view of the spiral discharging device in the embodiment of the utility model.

[0020] Figure 5 is the schematic view of the spiral discharging device after removing the conveying pipe in the embodiment of the utility model.

[0021] Reference signs: 1 storage bin;101 conical bottom structure;2 rotary feeding device;201 first shell;202 second shell;203 rotating shaft;2031 first bevel gear;204 blade;205 tension spring;206 knocking rod;207 camshaft;2071 second bevel gear;208 cam;209 notch;2010 hammer head;2011 rubber pad;2012 fulcrum seat;2013 third pulley;2014 second belt;3 spiral discharging device;301 conveying pipe;302 spiral shaft;303 spiral blade;304 feeding port;305 discharging port;306 rotary joint;307 air inlet pipe;308 air blowing hole;309 first pulley;3010 second pulley;3011 first belt;4 driving member;5 mounting platform. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved in the embodiments of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the connection can be for fixing or for circuit communication.

[0024] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like specify the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0025] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0026] Please refer to Figures 1 to 5The calcium carbonate particle discharging device disclosed in an embodiment comprises a bin 1, a rotary feeding device 2, a spiral discharging device 3 and a driving member 4, the bin 1 is used for storing calcium carbonate particles, the outlet of the bin 1 is communicated with the inlet of the rotary feeding device 2, the outlet of the rotary feeding device 2 is communicated with the inlet of the spiral discharging device 3, the driving member 4 is in transmission connection with the spiral discharging device 3, the rotary feeding device 2 comprises a first shell 201, a second shell 202, a rotary shaft 203, blades 204, a tension spring 205 and a knocking rod 206, the first shell 201 is arranged between the bin 1 and the spiral discharging device 3, the top end of the first shell 201 is a feeding end, and the bottom end is a discharging end, the second shell 202 is sleeved outside the first shell 201, the rotary shaft 203 horizontally penetrates through the first shell 201 and the second shell 202, one end of the rotary shaft 203 is in transmission connection with the spiral discharging device 3, a plurality of blades 204 are installed on the shaft section of the rotary shaft 203 located in the first shell 201, adjacent blades 204 are spaced to form feeding spaces, a camshaft 207 intersecting with the rotary shaft 203 is rotatably arranged in the gap between the first shell 201 and the second shell 202, the knocking rod 206 is hinged to the first shell 201, a cam 208 is arranged on the camshaft 207, one end of the knocking rod 206 is in abutment with the cam 208, one end of the tension spring 205 is connected with the knocking rod 206, and the other end of the tension spring 205 is connected with the first shell 201.Specifically, the bottom of the bin 1 is provided with a conical bottom structure 101 to facilitate the discharge of calcium carbonate particles; the rotating shaft 203 is provided with a first bevel gear 2031, and the cam shaft 207 is provided with a second bevel gear 2071, the first bevel gear 2031 and the second bevel gear 2071 are engaged, the spiral shaft 302 of the spiral discharge device 3 is provided with a first pulley 309 and a second pulley 3010 at one end respectively, the first pulley 309 is connected with the output pulley of the driving member 4 through a first belt 3011, one end of the rotating shaft 203 is provided with a third pulley 2013, the second pulley 3010 is connected with the third pulley 2013 through a second belt 2014, and the driving member 4 is a motor; in the embodiment, the spiral discharge device 3 and the rotary feeding device 2 are driven to operate simultaneously by one driving member 4, the rotation speed of the rotary feeding device 2 and the spiral discharge device 3 is adjusted, and the discharge amount of calcium carbonate particles can be more accurately controlled by the cooperation of the two, and the discharge uniformity is improved; the blades 204 of the rotary feeding device 2 can produce a certain stirring and loosening effect on the calcium carbonate particles, in addition to the axial thrust and radial stirring force of the spiral blades 303 of the spiral discharge device 3 on the calcium carbonate particles, the flowability of the calcium carbonate particles can be further enhanced, the two work together, the internal friction and adhesion of the calcium carbonate particles can be effectively overcome, and the calcium carbonate particles can be more smoothly discharged from the bin 1; the rotating shaft 203 can drive the cam shaft 207 to rotate synchronously, the cam 208 on the cam shaft 207 rotates synchronously, the knocking rod 206 is periodically driven to rotate and knock the first shell 201 by the cam 208 to produce vibration, the arch structure of the calcium carbonate particles formed at the feeding end of the first shell 201 is destroyed, the formation of particle bridging is timely prevented, the smooth flow of the material can be more efficiently maintained, and the discharge efficiency is improved; the power sources of the vibration source, the rotary feeding device 2 and the spiral discharge device 3 are driven by one driving member 4, multiple driving members 4 are not needed to be configured, and the cost can be effectively reduced.

[0027] In the preferred embodiment, a gap 209 is arranged on the outer contour of the cam 208, specifically, the outer contour of the cam 208 is a involute, when the cam 208 rotates to the position of the gap 209, the knocking rod 206 will be driven away from the cam 208, under the action of the tension spring 205, the knocking rod 206 flips to the first shell 201 to knock the outer wall of the first shell 201 to produce vibration.

[0028] In the preferred embodiment, a hammer head 2010 is arranged at one end of the knocking rod 206, a rubber pad 2011 corresponding to the hammer head 2010 is arranged on the outer wall of the first shell 201, a fulcrum seat 2012 is arranged on the first shell 201, the knocking rod 206 is in a V-shaped rod structure, the V-shaped bottom of the knocking rod 206 is hinged to the fulcrum seat 2012, a tension spring 205 is connected to the knocking rod 206 on one side of the fulcrum seat 2012, and a cam 208 abuts against the knocking rod 206 on the other side of the fulcrum seat 2012. When the cam 208 rotates, the cam 208 presses the bottom end of the knocking rod 206, the knocking rod 206 tilts outward with the fulcrum seat 2012 as the fulcrum, and the hammer head 2010 is separated from the rubber pad 2011. When the cam 208 rotates to the position of the gap 209, the knocking rod 206 is separated from the cam 208, the knocking rod 206 tilts inward under the action of the tension spring 205, and the hammer head 2010 strikes the rubber pad 2011 to generate vibration. The rubber pad 2011 can effectively absorb the impact force generated when the hammer head 2010 strikes, reduce the direct impact on the first shell 201, avoid damage such as cracks and deformation of the shell caused by long-term and frequent striking, thereby prolonging the service life of the first shell 201, and at the same time, the rubber pad 2011 plays a role in sound insulation and noise reduction.

[0029] In the preferred embodiment, the spiral discharging device 3 comprises a conveying pipe 301 and a spiral shaft 302, the conveying pipe 301 is horizontally arranged on the mounting platform 5, the spiral shaft 302 is mounted on the conveying pipe 301, the spiral shaft 302 is provided with spiral blades 303 at the shaft section part in the conveying pipe 301, the conveying pipe 301 is provided with a feeding port 304 at the upper part of one end, the conveying pipe 301 is provided with a discharging port 305 at the lower part of the other end, one end of the spiral shaft 302 is in transmission connection with the driving member 4, and the feeding port 304 is connected with the outlet of the first shell 201; the spiral shaft 302 is in a hollow shaft structure, one end of the spiral shaft 302 is provided with a rotary joint 306, the rotary joint 306 is in communication with an external air compressor set through a gas inlet pipe 307, a plurality of air blowing holes 308 are arranged on the spiral shaft 302, and the air blowing direction of the plurality of air blowing holes 308 is towards the side of the discharging port 305. In the embodiment, the calcium carbonate particles are fed by the rotary feeding device 2, enter the conveying pipe 301 from the feeding port 304, and move to the direction of the discharging port 305 under the pushing of the spiral blades 303 in the conveying pipe 301, the calcium carbonate particles move to the discharging port 305 at the same time, the external air compressor set blows air into the inside of the spiral shaft 302 through the gas inlet pipe 307, the compressed air is sprayed from the air blowing holes 308 to form an air flow in the direction of the discharging port 305, which assists the pushing effect of the spiral blades 303, prevents the calcium carbonate particles from being accumulated or blocked in the conveying pipe 301, and effectively guarantees the smooth conveying of the material; at the same time, the air flow forms an air cushion effect in the conveying pipe 301, reduces the friction between the calcium carbonate particles and the inner wall of the conveying pipe 301 and the spiral blades 303, thereby reducing the resistance in the conveying process, reducing the load of the driving member 4, reducing the energy consumption while improving the conveying efficiency.

[0030] The above is further detailed description of the utility model in combination with specific / preferred embodiments, which cannot be deemed as limiting the specific implementation of the utility model to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, they can make several substitutions or variations to the described embodiments, and these substitution or variation manners shall be deemed as belonging to the protection scope of the utility model. In the description of the specification, the description of the reference terms "an embodiment", "some embodiments", "preferred embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In the case of not mutually contradictory, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples. Although the embodiments of the utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and modifications can be made in this paper without departing from the protection scope of the patent application.

Claims

1. A calcium carbonate particle discharge apparatus, characterized by: The device comprises a hopper, a rotary feeding device, a spiral discharging device and a driving member, the outlet of the hopper is communicated with the inlet of the rotary feeding device, the outlet of the rotary feeding device is communicated with the inlet of the spiral discharging device, the driving member is in transmission connection with the spiral discharging device, the rotary feeding device comprises a first shell, a second shell, a rotary shaft, a blade, a tension spring and a knocking rod, the first shell is arranged between the hopper and the spiral discharging device, the second shell is sleeved on the periphery of the first shell, the rotary shaft penetrates through the first shell and the second shell, one end of the rotary shaft is in transmission connection with the spiral discharging device, the blade is installed on the shaft section of the rotary shaft located in the first shell, a camshaft intersecting with the rotary shaft is arranged in the gap between the first shell and the second shell, the knocking rod is hinged on the first shell, the camshaft is provided with a cam, one end of the knocking rod is in abutment with the cam, one end of the tension spring is connected with the knocking rod, and the other end of the tension spring is connected with the first shell.

2. The calcium carbonate particulate discharge apparatus of claim 1, wherein: A notch is arranged on the outer contour of the cam.

3. The calcium carbonate particulate discharge apparatus of claim 2, wherein: One end of the knocking rod is provided with a hammer head, and the first shell is provided with a rubber pad corresponding to the hammer head.

4. The calcium carbonate particulate discharge apparatus of claim 3, wherein: A fulcrum seat is arranged on the first shell, the knocking rod is in V-shaped rod structure, the V-shaped bottom of the knocking rod is hinged with the fulcrum seat, the tension spring is connected with the knocking rod on one side of the fulcrum seat, and the cam is in abutment with the knocking rod on the other side of the fulcrum seat.

5. The calcium carbonate particulate discharge apparatus of claim 4, wherein: A first bevel gear is arranged on the rotary shaft, a second bevel gear is arranged on the camshaft, and the first bevel gear and the second bevel gear are in meshing.

6. The calcium carbonate particulate discharge apparatus of any one of claims 1 to 5, characterized in that: The spiral discharging device comprises a conveying pipe and a spiral shaft, the conveying pipe is horizontally arranged on a mounting platform, the spiral shaft is mounted on the conveying pipe, a spiral blade is arranged on the shaft section of the spiral shaft in the conveying pipe, a feeding port is arranged on the upper part of one end of the conveying pipe, a discharging port is arranged on the lower part of the other end of the conveying pipe, one end of the spiral shaft is in transmission connection with the driving member, and the feeding port is connected with the outlet of the first shell.

7. The calcium carbonate particulate discharge apparatus of claim 6, wherein: The spiral shaft is in hollow shaft structure, a rotary joint is arranged on one end of the spiral shaft, the rotary joint is communicated with an external air compressor set through an air inlet pipe, and a plurality of air blowing holes are arranged on the spiral shaft.

8. The calcium carbonate particulate discharge apparatus of claim 7, wherein: The air blowing directions of the plurality of air blowing holes are towards the side of the discharging port.

9. The calcium carbonate particulate discharge apparatus of claim 8, wherein: One end of the spiral shaft is respectively provided with a first pulley and a second pulley, the first pulley is connected with the output pulley of the driving member through a first belt, one end of the rotary shaft is provided with a third pulley, and the second pulley is connected with the third pulley through a second belt.

10. The calcium carbonate particulate discharge apparatus of claim 9, wherein: The bottom of the hopper is in conical bottom structure.

Citation Information

Patent Citations

  • Discharging device for calcium carbonate

    CN206437442U