Discharging device and aggregate discharging system
By setting a discharge valve and drive mechanism at the bottom of the hopper, combined with a weighing sensor, accurate weighing of aggregates is achieved, solving the problems of complex structure, easy failure and high cost in the existing technology, and improving discharge efficiency and accuracy.
Patent Information
- Application Number
- CN202423107669.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing artificial stone production lines, the aggregate feeding and weighing system is complex, prone to failure, inaccurate in measurement, and occupies a large area, resulting in high investment costs.
A feeding device is adopted, which uses a feeding valve and a drive mechanism at the bottom of the hopper to measure the weight of the material in real time using a weighing sensor, and controls the feeding amount by changing the cross-sectional size of the feeding channel, so as to achieve accurate weighing.
The structure has been simplified, the reliability and accuracy of material feeding and weighing have been improved, the equipment investment cost has been reduced, and the floor space required has been reduced.
Smart Images
Figure CN223606423U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to powder processing equipment technical field especially relates to a blanking device and aggregate blanking system. BACKGROUND
[0002] Artificial stone products are aggregate, binder and other auxiliary materials after stirring and vacuum pressing. The amount of aggregate, binder and auxiliary materials in artificial stone products needs to be accurate.
[0003] In the traditional artificial stone production line, aggregate needs to be conveyed to the mixer by the belt conveyor after the aggregate weighing hopper. In this process, the aggregate weighing hopper collects the required amount of aggregate and then discharges it to the belt conveyor. The control of the amount of aggregate is mainly completed by the weighing sensor of the aggregate weighing hopper.
[0004] The existing aggregate blanking and weighing system has the problems of high investment, complex system control, easy fault and inaccurate measurement, large floor area, multi-layer platform, high investment cost and the like. INVENTION CONTENTS
[0005] The technical problem to be solved by the utility model is to provide a blanking device with simple structure and reliable blanking and weighing.
[0006] To solve the above technical problem, the utility model provides a blanking device, which comprises a stock bin and a mounting platform, the mounting platform is provided with a bearing surface for bearing the stock bin, and the bearing surface is provided with a weighing sensor in abutment with the stock bin.
[0007] The bottom of the stock bin is provided with a blanking valve and a discharging channel, and the material passing section of the discharging channel increases or decreases with the movement of the blanking valve.
[0008] As an improvement of the above scheme, the stock bin is provided with a driving mechanism connected with the blanking valve, at least two discharging channels with different cross-sectional sizes are arranged on the blanking valve, and the driving mechanism is used to drive the blanking valve to move, so as to close the discharging channel or open at least one discharging channel.
[0009] As an improvement of the above scheme, the stock bin is provided with a driving mechanism connected with the blanking valve, the blanking valve and the stock bin form a discharging channel, and the driving mechanism is used to drive the blanking valve to move, so as to change the material passing section area of the discharging channel.
[0010] As an improvement of the above-mentioned scheme, the discharging valve is hinged to the hopper through a rotating shaft, the hopper is provided with a discharging port, the discharging valve is provided with a first discharging channel, a second discharging channel and a closed area, the first discharging channel and the second discharging channel have different cross-sectional areas, and the driving mechanism is used for driving the discharging valve to swing to the first discharging channel, the second discharging channel or the closed area, or the closed area is opposite to the discharging port.
[0011] As an improvement of the above-mentioned scheme, the hopper comprises a hopper body and a discharging seat, the discharging seat is provided with a receiving end and a discharging end, the receiving end is sealingly connected to the hopper body, the discharging end is provided with the discharging port, and the discharging valve is hinged to the discharging seat.
[0012] The discharging end is provided with an arc-shaped portion, and the discharging valve swings along the arc-shaped portion.
[0013] As an improvement of the above-mentioned scheme, the cross-sectional area of the first discharging channel is greater than that of the second discharging channel, and the first discharging channel, the second discharging channel and the closed area are sequentially arranged.
[0014] As an improvement of the above-mentioned scheme, the discharging seat is provided with a plurality of first sensors corresponding to the first discharging channel, the second discharging channel and the closed area, respectively, the discharging valve is provided with a connecting column extending in the radial direction of the rotating shaft, the connecting column is provided with a second sensor corresponding to the first sensor, and when the second sensor is opposite to the corresponding first sensor, the first discharging channel, the second discharging channel or the closed area is opposite to the discharging port.
[0015] As an improvement of the above-mentioned scheme, the discharging seat comprises a seat body and a discharging hopper, the receiving end and the discharging end are arranged on the discharging hopper, the driving mechanism is hinged to the seat body, the discharging valve is hinged to the discharging hopper, and the extension end of the driving mechanism is hinged to the discharging valve.
[0016] As an improvement of the above-mentioned scheme, the discharging hopper is arranged in the vertical direction, and when the first discharging channel or the second discharging channel is opposite to the discharging port, the first discharging channel or the second discharging channel is coaxial with the discharging hopper.
[0017] As an improvement of the above-mentioned scheme, the first sensor is arranged on the side of the discharging hopper away from the seat body, and the second sensor is arranged on the connecting column of the discharging valve away from the driving mechanism.
[0018] In addition, the utility model still provides an aggregate discharging system, it still includes aggregate conveying line, the upper side of aggregate conveying line is equipped with at least one group above-mentioned discharging device.
[0019] The utility model discloses, has the following beneficial effect:
[0020] The utility model discloses a discharging device, through the load bearing surface of installation platform setting and the weighing inductor of material bin abutment can real -time measurement material bin material weight, realizes the discharge weighing, the material pass section of the blanking passage increases or reduces with the movement of the discharging valve, realizes the blanking in the blanking early stage and keeps the material pass section of larger blanking, and keeps the material pass section of smaller blanking in the blanking later period and carries out blanking, the discharging device of the utility model can guarantee the blanking efficiency, and the discharge weighing is reliable, and through the self -structure of material bin can realize accurate discharge weighing, and the structure is simpler, compact, and the mode of investment cost of the prior art through material bin, the bottom of the warehouse, the aggregate weighing bucket realizes the discharge weighing of blanking is lower. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is an embodiment structure schematic diagram of the utility model kind of aggregate discharging system;
[0022] Figure 2 It is Figure 1 A department enlarged structure schematic diagram of;
[0023] Figure 3 It is the connecting structure schematic diagram of discharging valve, drive mechanism and material bin;
[0024] Figure 4 It is the structure schematic diagram of fast blanking stage;
[0025] Figure 5 It is the structure schematic diagram of slow blanking stage;
[0026] Figure 6 It is the structure schematic diagram when closing blanking;
[0027] Figure 7 It is the discharging flow process schematic diagram of aggregate discharging system. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model will be described further in detail below with the accompanying drawings.
[0029] Figures 1 to 6 As shown, the utility model discloses an embodiment of a discharging device, including material bin 1 and installation platform 2, the installation platform 2 is equipped with the load bearing surface for bearing material bin 1, the load bearing surface is equipped with the weighing inductor 3 with material bin 1 abutment, the bottom of material bin 1 is equipped with discharging valve 4, and at least two different cross section sizes of blanking passage on discharging valve 4, and material bin 1 is set up and is connected with the drive mechanism 5 of discharging valve 4, the drive mechanism 5 is used to drive discharging valve 4 moves to close blanking or open at least one blanking passage.
[0030] The weighing sensor 3 abutting with the silo 1 is arranged on the bearing surface of the mounting platform 2, which can measure the weight of the material in the silo 1 in real time, and realize the weighing of the discharging; the discharging channel of the present embodiment is formed on the discharging valve 4, and the discharging valve 4 is driven to move to close the discharging or make at least one of the discharging channels communicate with the silo 1, and the material is discharged through the discharging channel with a larger cross-sectional area, or a plurality of discharging channels are used to discharge the material, and the material is discharged through the discharging channel with a smaller cross-sectional area in the later stage of discharging, and the discharging is closed in time when the weighing of the discharging reaches the target value, which can ensure the discharging efficiency and the reliability of the weighing of the discharging; the precise weighing of the discharging can be realized through the structure of the silo 1, and the structure is simpler and more compact, and the investment cost is lower than the prior art which realizes the weighing of the discharging through the silo 1, the bottom discharging belt conveyor and the aggregate weighing hopper.
[0031] In other embodiments, the discharging valve 4 and the silo 1 can form a discharging channel, and the driving mechanism 5 is used to drive the discharging valve 4 to move to change the cross-sectional area of the discharging channel. The discharging channel of this embodiment is formed by the discharging valve 4 and the silo 1. The weighing sensor 3 abutting with the silo 1 is arranged on the bearing surface of the mounting platform 2, which can measure the weight of the material in the silo 1 in real time, and realize the weighing of the discharging, and the cross-sectional area of the discharging channel can be changed by driving the discharging valve 4 to move, so that the discharging channel can keep a larger cross-sectional area in the early stage of discharging to discharge the material, and the discharging channel can keep a smaller cross-sectional area in the later stage of discharging to discharge the material, which can ensure the discharging efficiency and the reliability of the weighing of the discharging; the precise weighing of the discharging can be realized through the structure of the silo 1, and the structure is simpler and more compact, and the investment cost is lower than the prior art which realizes the weighing of the discharging through the silo 1, the bottom discharging belt conveyor and the aggregate weighing hopper.
[0032] The discharge valve 4 of the embodiment is hinged to the hopper 1 through the rotating shaft 6, and the discharge valve 4 can swing around the rotating shaft 6. The hopper 1 is provided with a discharge port a, and the discharge valve 4 is provided with a first discharge passage 41, a second discharge passage 42, and a closed area 43. The cross-sectional areas of the first discharge passage 41 and the second discharge passage 42 are different. The driving mechanism 5 is used to drive the discharge valve 4 to swing to the first discharge passage 41, the second discharge passage 42, or the closed area 43 is opposite to the discharge port a, so as to facilitate the control of the accuracy of the discharge weighing. The cross-sectional area of the first discharge passage 41 is larger than that of the second discharge passage 42. The first discharge passage 41, the second discharge passage 42, and the closed area 43 are sequentially arranged to facilitate the switching of the discharge state during the discharge process. During the discharge process, first, the first discharge passage 41 with a larger cross-sectional area is opposite to the discharge port a, that is, the first discharge passage 41 discharges, then the second discharge passage 42 with a smaller cross-sectional area is opposite to the discharge port a, that is, the second discharge passage 42 discharges, and finally, the closed area 43 is opposite to the discharge port a, that is, the discharge is closed.
[0033] Specifically, as shown in the drawings, the hopper 1 of the embodiment comprises a hopper body 11 and a discharge seat 12. The discharge seat 12 is provided with a receiving end and a discharge end. The receiving end is sealingly connected to the bottom of the hopper body 11. The discharge end is provided with the discharge port a. The discharge valve 4 is hinged to the discharge seat 12. Figure 2 The mounting platform 2 for mounting the hopper 1 is provided with a mounting hole. The hopper body 11 is embedded in the mounting hole. The weighing sensor 3 for weighing the hopper 1 in real time is arranged at the top periphery of the mounting hole.
[0034] The driving mechanism 5 is a telescopic driving mechanism 5, preferably a pneumatic cylinder. In combination with the drawings, the discharge seat 12 comprises a seat body 121 and a discharge hopper 122. The receiving end and the discharge end are both arranged on the discharge hopper 122. The driving mechanism 5 is hinged to the seat body 121. The discharge valve 4 is hinged to the discharge hopper 122. The telescopic end of the driving mechanism 5 is hinged to the discharge valve 4. Figure 3
[0035] Specifically, the side plate of the discharge hopper 122 is provided with an annular boss. The discharge valve 4 is provided with a connecting column 44 extending along the radial direction of the rotating shaft 6. The upper part of the connecting column 44 is provided with a through hole. The rotating shaft 6 is installed in the annular boss through the through hole of the connecting column 44.
[0036] The discharge hopper 122 is arranged in the vertical direction. When the first discharge passage 41 or the second discharge passage 42 is opposite to the discharge port a, the first discharge passage 41 or the second discharge passage 42 is coaxial with the discharge hopper 122. The aggregate can be smoothly discharged in the first discharge passage 41 or the second discharge passage 42.
[0037] The lower end of the hopper 122 is provided with an arc-shaped portion, and the lower valve 4 swings along the arc-shaped portion to avoid a large gap between the lower valve 4 and the lower seat 12, which causes the aggregate to overflow and affects the subsequent material conveying.
[0038] The lower seat 12 is provided with a plurality of first sensors 7 corresponding to the first material falling channel 41, the second material falling channel 42, and the closed area 43, respectively, and the connecting column 44 is provided with a second sensor 8 corresponding to the first sensor 7.
[0039] The first sensor 7, the second sensor 8, the weighing sensor 3, and the driving mechanism 5 are connected to a controller, which can be a PLC controller. The first sensor 7 and the second sensor 8 are preferably proximity switches, that is, one of them sends an optical sensing signal, and the other receives the optical sensing signal. The first sensor 7 is arranged on the side of the hopper 122 away from the seat body 121, and the second sensor 8 is arranged on the connecting column 44 of the lower valve 4 away from the driving mechanism 5. When the controller controls the driving mechanism 5 to drive the lower valve 4 to swing to the position where the second sensor 8 is opposite to the corresponding first sensor 7, the first material falling channel 41, the second material falling channel 42, or the closed area 43 is opposite to the lower outlet a.
[0040] Referring to Figure 7 To ensure the accuracy of the weighing, the lower device of the embodiment adopts a segmented lower, that is, the entire lower process is divided into a fast lower stage, a slow lower stage, and finally a closed lower. Before the lower starts, the target weight of the lower, that is, the target measurement value, and the preset lower value of the fast lower stage, that is, the fast preset value, are set. The weighing sensor 3 obtains the initial weight of the hopper 1, that is, the initial measurement value, before the lower starts, and obtains the real-time weight of the hopper 1, that is, the real-time measurement value, during the lower process.
[0041] The entire lower process of the lower device is as follows: referring to Figure 4 The driving mechanism 5 drives the first material falling channel 41 of the lower valve 4 to be opposite to the lower outlet a, enters the fast lower stage, and keeps the first material falling channel 41 to lower during the fast lower stage until the real-time measurement value = initial measurement value - fast preset value; referring to Figure 5 At this time, the driving mechanism 5 drives the second material falling channel 42 of the lower valve 4 to be opposite to the lower outlet a, enters the slow lower stage, and keeps the second material falling channel 42 to lower during the slow lower stage until the real-time measurement value = initial measurement value - target measurement value; referring to Figure 6 At this time, the driving mechanism 5 drives the closed area 43 of the lower valve 4 to be opposite to the lower outlet a, and closes the lower.
[0042] Further, the utility model still provides a kind of aggregate blanking system, it also includes aggregate conveying line 9, the upper portion of aggregate conveying line 9 is equipped with at least one group above-mentioned blanking device.In the blanking process, blanking device is continuously blanked to aggregate conveying line 9 via first blanking passage 41 or second blanking passage 42, and powder material is evenly distributed on aggregate conveying line 9, and aggregate conveying line 9 is quantitatively conveyed to next process equipment with blanking device.
[0043] The above disclosed is only a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, so equivalent changes made according to the utility model claims are still within the scope covered by the utility model.
Claims
1. A blanking device characterized by, The installation platform is provided with a load bearing surface for bearing the silo, and the load bearing surface is provided with a load sensor abutting against the silo. The bottom of the silo is provided with a discharging valve and a discharging passage, and the material passing section of the discharging passage increases or decreases with the movement of the discharging valve.
2. The blanking device of claim 1, wherein, The silo is provided with a driving mechanism connected with the discharging valve, and the discharging valve is provided with at least two discharging passages with different cross-sectional sizes, and the driving mechanism is used to drive the discharging valve to move so as to close the discharging passage or open at least one of the discharging passages.
3. The blanking device of claim 1, wherein, The silo is provided with a driving mechanism connected with the discharging valve, and the discharging valve and the silo form a discharging passage, and the driving mechanism is used to drive the discharging valve to move so as to change the material passing section area of the discharging passage.
4. The blanking device according to claim 1 or 2, wherein The discharging valve is hinged with the silo through a rotating shaft, the silo is provided with a discharging port, the discharging valve is provided with a first discharging passage, a second discharging passage and a closed area, the cross-sectional areas of the first discharging passage and the second discharging passage are different, and the driving mechanism is used to drive the discharging valve to swing to the first discharging passage, the second discharging passage or the closed area opposite to the discharging port.
5. The blanking device of claim 4, wherein, The silo comprises a silo body and a discharging seat, the discharging seat is provided with a material receiving end and a discharging end, the material receiving end is sealingly connected with the silo body, the discharging end is provided with the discharging port, and the discharging valve is hinged with the discharging seat. The discharging end is provided with an arc-shaped portion, and the discharging valve swings along the arc-shaped portion.
6. The blanking device of claim 4, wherein, The cross-sectional area of the first discharging passage is greater than that of the second discharging passage, and the first discharging passage, the second discharging passage and the closed area are sequentially arranged.
7. The blanking device of claim 5, wherein, The discharging seat is provided with a plurality of first sensors corresponding to the first discharging passage, the second discharging passage and the closed area respectively, the discharging valve is provided with a connecting column extending along the radial direction of the rotating shaft, the connecting column is provided with a second sensor corresponding to the first sensor, and when the second sensor is opposite to the corresponding first sensor, the first discharging passage, the second discharging passage or the closed area is opposite to the discharging port.
8. The blanking device of claim 7, wherein, The discharging seat comprises a seat body and a discharging hopper, the material receiving end and the discharging end are arranged on the discharging hopper, the driving mechanism is hinged with the seat body, the discharging valve is hinged with the discharging hopper, and the extension end of the driving mechanism is hinged with the discharging valve.
9. The blanking device of claim 8, wherein, The discharging hopper is arranged in the vertical direction, and when the first discharging passage or the second discharging passage is opposite to the discharging port, the first discharging passage or the second discharging passage is coaxial with the discharging hopper.
10. An aggregate batching system characterized by, The aggregate conveying line is provided with at least one set of the discharging device according to any one of claims 1 to 9 above.