Discharging device

By designing a skirted belt conveyor structure at the feeder outlet, the problems of dust and corrosion during open-pit mine material feeding were solved, achieving uniform material feeding and efficient equipment operation, and reducing maintenance costs.

CN223591751UActive Publication Date: 2025-11-25PANGANG GROUP MINING CO LTD
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Patent Information

Application Number
CN202520010277.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-25
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

When materials are unloaded from open-pit mines using pendulum unloaders, dust is easily generated, which can lead to rust and mechanical blockage caused by dust removal water mist, affecting the uniformity of material unloading and equipment maintenance.

Method used

Design a feeding device with the feeder outlet located inside the skirted belt. The transport structure, consisting of a support frame and a drive unit, avoids dust generation and achieves dustproof material transport. The device includes support rollers, an alignment device, and a discharge device, reducing the risk of corrosion and blockage.

Benefits of technology

It effectively avoids dust, reduces the risk of equipment corrosion and blockage, improves the uniformity of material feeding, reduces maintenance, and increases equipment operating efficiency and iron concentrate output.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223591751U_ABST
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Abstract

The utility model relates to a discharging device, which belongs to the field of ore storage bin discharging and comprises a feeder, a conveying structure is arranged at an outlet of the feeder, the conveying structure is perpendicular to the feeder in space, the outlet of the feeder is contained in the conveying structure, and a discharging dustproof interval is formed by the portion, located on the feeder, of the conveying structure and the outlet of the feeder. And a driving device is arranged on the transportation structure. The outlet end of the feeder is contained in the skirt belt, the height of materials of the feeder falling onto the skirt belt from the discharging dustproof area is small, a large amount of flying dust can be avoided, the skirt of the skirt belt can also avoid a small part of flying dust, and therefore a spraying machine is not needed for dust removal, and the dust removal efficiency is improved. And the condition that the discharging port of the ore bin is blocked and the discharging is uneven due to mechanical blockage caused by corrosion of the swing type ore discharging machine is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of mine bin blanking, in particular to a blanking device. BACKGROUND

[0002] When the open pit mine bin is blanked by the swing type mine down machine, dust is easily raised, and the floating mine dust does not meet the environmental protection requirements. Therefore, the mine bin dust removal sprayer is used for dust removal, and the water mist of dust removal can penetrate into the swing type mine down machine with the mine bin, which leads to serious rust of the swing type mine down machine and frequent mechanical clamping, and the failure rate is high. Once the mechanical clamping occurs, the mine bin discharge port above the machine body is easily blocked, which leads to uneven mine down, and the swing type mine down machine is difficult to maintain and transport after rusting. UTILITY MODEL CONTENTS

[0003] In view of the above problems, the utility model provides a blanking device, which comprises a feeder, a conveying structure is arranged at the outlet of the feeder, the conveying structure is perpendicular to the feeder in space, the outlet of the feeder is accommodated in the conveying structure, the part of the conveying structure located at the feeder and the outlet of the feeder constitute a blanking dust prevention interval, and a driving device is arranged on the conveying structure.

[0004] Further, the conveying structure comprises a support frame, a conveying roller group is arranged on the support frame, a skirt belt is arranged on the conveying roller group, a driving device connected with the conveying roller group is arranged on the support frame, the outlet of the feeder is accommodated in the skirt belt, the part of the skirt belt located at the feeder and the outlet of the feeder constitute a blanking dust prevention interval, and a discharge device is arranged at the part of the support frame far away from the driving device.

[0005] Further, the conveying roller group comprises a driving roller, a tail roller and a supporting roller, the driving roller is arranged at the part of the support frame located at the driving device, the driving roller is connected with the driving device, the tail roller is arranged at the part of the support frame located at the discharge device, the supporting roller is arranged at the part of the support frame between the tail roller and the driving roller, and the skirt belt is sequentially sleeved on the driving roller, the supporting roller and the tail roller.

[0006] Further, U-shaped supports are arranged at both sides of the skirt belt of the support frame, bias adjusting devices are arranged at one end of the feeder and one end of the supporting roller of the U-shaped supports, and the bias adjusting devices are in contact with the skirt belt.

[0007] Further, the bias adjusting device comprises a fixing rod detachably connected with the U-shaped support, a base in contact with the U-shaped support is arranged on the fixing rod, a bearing is arranged at the part of the fixing rod located at the skirt belt, and the outer ring of the bearing is in contact with the skirt belt.

[0008] Further, the supporting frame is provided with a tail roller at the position of the discharging device.

[0009] Further, the supporting frame is provided with a vertical adjustment opening at the position of the discharging device, and the supporting frame is provided with a tightening channel communicated with the adjustment opening, the tightening device comprises a screw rod, a connecting cover and a sliding block, the connecting cover is covered on the supporting frame, the sliding block is slidably arranged in the tightening channel at the position of the adjustment opening, the sliding block is connected with the connecting cover through the adjustment opening, and the screw rod is connected with the sliding block in the tightening channel.

[0010] Further, the discharging device comprises a discharging hopper, and the discharging hopper is provided with a dust cover, the apron belt is arranged in the dust cover at the position of the discharging hopper.

[0011] Further, the feeder comprises a feeder body and a feeding hopper connected in sequence in the vertical direction, the outlet of the feeding hopper and the apron belt constitute a dustproof area for discharging, and the outlet end of the feeding hopper is arranged in the apron belt.

[0012] Further, the feeder body is provided with a hammering device, the hammering device comprises a speed reducer arranged on the outer wall of the feeder body, the output end of the speed reducer is provided with a shaft body penetrating into the feeder body, and the shaft body is provided with a hammering block.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] 1) The outlet end of the feeder is arranged in the apron belt, the height of the material of the feeder falling from the dustproof area for discharging to the apron belt is low, a large amount of dust can be avoided, the apron of the apron belt can avoid a small amount of dust, and therefore, a dust removal machine is not needed, and the swing type ore unloading machine will not be blocked due to rusting and cause uneven discharging of the ore bin discharge port.

[0015] 2) The apron belt can timely convey the material during operation, and the ore bin discharge port will not be blocked.

[0016] 3) The dust removal machine is not needed, and the swing type ore unloading machine will not be rusted due to spraying, and therefore, the maintenance amount is small.

[0017] 4) The present application will not be mechanically blocked due to rusting, the downtime is reduced, the maintenance cost is reduced, the operation rate of the ball mill is improved, and the iron ore concentrate yield is increased.

[0018] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and advantages of the present application can be realized and attained by means of the instrumentalities and combinations pointed out in the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Figure 1 The structure of the unloading device is shown in the schematic diagram.

[0021] Figure 2 The connection between the drive and the gear transmission is shown in the schematic diagram. Figure 1 The partial enlarged view of A in the figure is shown.

[0022] Figure 3 The sectional view of B-B in the figure is shown. Figure 1

[0023] The partial enlarged view of C in the figure is shown. Figure 4 Figure 3 The partial enlarged view of D in the figure is shown.

[0024] Figure 5 Figure 1 The partial enlarged view of E in the figure is shown.

[0025] Figure 6 The partial enlarged view of E in the figure is shown. Figure 1

[0026] The connection between the drive and the gear transmission is shown in the schematic diagram. Figure 7

[0027] The connection between the gear transmission and the driving roller is shown in the schematic diagram. Figure 8

[0028] The connection between the ladder and the monitoring platform is shown in the schematic diagram. Figure 9

[0029] ​​​Fig. 1 is a body of a feeder; 11 is a speed reducer; 12 is a shaft body; 13 is a beating block; 2 is a feeding hopper; 21 is a monitoring hole; 22 is a monitoring door; 3 is a skirt belt; 31 is a dustproof section of discharging; 4 is a safety platform; 5 is a dust cover; 6 is a discharging hopper; 7 is a support frame; 71 is a tail roller; 72 is a supporting roller; 73 is a driving roller; 74 is a driving device; 741 is a driver; 742 is a gear transmission; 75 is a U-shaped support; 76 is a monitoring platform; 77 is an adjusting opening; 78 is a tightening channel; 79 is a ladder; 8 is a deviation adjusting device; 81 is a fixed rod; 82 is a base; 83 is a bearing; 9 is a tightening device; 91 is a screw rod; 92 is a connecting cover; 93 is a sliding block. DETAILED DESCRIPTION

[0030] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] Figure 1 A structure diagram of the discharging device is shown. As shown in Figure 1 A discharging device includes a feeder, a conveying structure is arranged at the outlet of the feeder, the conveying structure is perpendicular to the feeder in space, the outlet of the feeder is accommodated in the conveying structure, the part of the conveying structure located at the feeder and the outlet of the feeder form a dustproof discharging section 31, and the conveying structure is provided with a driving device 74.

[0032] The outlet of the feeder in the discharging device is accommodated in the skirt belt 3, so that the material of the feeder falls from the dustproof discharging section 31 to the skirt belt 3 at a low height, most of the dust can be avoided, and therefore a dust removal machine is not needed.

[0033] In some embodiments, the conveying structure includes a support frame 7, a conveying roller group is arranged on the support frame 7, the skirt belt 3 is arranged on the conveying roller group, the driving device 74 connected with the conveying roller group is arranged on the support frame 7, the outlet of the feeder is accommodated in the skirt belt 3, the part of the skirt belt 3 located at the feeder and the outlet of the feeder form the dustproof discharging section 31, and the part of the support frame 7 away from the driving device 74 is provided with a discharging device; the skirt of the skirt belt 3 can prevent the material from overflowing and falling to the ground to cause dust, a small amount of dust can be avoided; the dustproof discharging section 31 can not only guide the material, but also avoid most of the dust when the material falls; and the conveying roller group is used for supporting and driving the skirt belt 3 to operate.

[0034] In some embodiments, the conveying roller assembly includes a drive roller 73, a tail roller 71, and a support roller 72. The support frame 7 has the drive roller 73 located at the drive device 74 and is connected to the drive device 74. The support frame 7 has the tail roller 71 located at the discharge device and the support roller 72 located between the tail roller 71 and the drive roller 73. The skirted belt 3 is sequentially sleeved on the drive roller 73, the support roller 72, and the tail roller 71. The drive roller 73 and the tail roller 71 can drive the skirted belt 3 to operate. When the skirted belt 3 transports materials, the support roller 72 can support the skirted belt 3, providing transportation conditions for the skirted belt 3 to transport materials.

[0035] In some embodiments, Figure 8 A schematic diagram showing the connection between the gear drive 742 and the drive roller 73 is shown, as follows: Figure 8 As shown, the driving device 74 includes a driver 741 and a gear transmission 742, one end of which is connected to the driving roller 73. Figure 7 A schematic diagram showing the connection between the driver 741 and the gear transmission 742 is shown, as follows: Figure 7 As shown, the other end of the gear drive 742 is connected to the driver 741; the driver 741 provides power to the gear drive 742, and the gear drive 742 transmits the power to the drive roller 73.

[0036] Specifically, the driver 741 may be, but is not limited to, an electric deceleration device, which is prior art and will not be described further here.

[0037] Specifically, the gear transmission 742 is existing technology, so it will not be described in detail here.

[0038] Figure 3 It shows Figure 1 A cross-sectional view along line B-B. (e.g.) Figure 3 As shown, in some embodiments, the support frame 7 is provided with U-shaped brackets 75 on both sides of the skirt belt 3. The U-shaped brackets 75 are provided with a deviation adjustment device 8 at one end of the feeder and one end of the support roller 72. The deviation adjustment device 8 is in contact with the skirt belt 3. During the rotation of the skirt belt 3, the deviation adjustment device 8 at the feeder is used to adjust the skirt belt 3 at the feeder, and the deviation adjustment device 8 at the support roller 72 is used to adjust the skirt belt 3 at the support roller 72, so as to prevent the skirt belt 3 from running off track and entering the surrounding mechanical devices and being damaged, thus ensuring the service life of the skirt belt 3.

[0039] Figure 4 It shows Figure 3 A magnified view of a portion of C. (e.g.) Figure 4As shown, in some embodiments, the deviation adjusting device 8 comprises a fixing rod 81 detachably connected with the U-shaped support 75, the fixing rod 81 is provided with a base 82 in contact with the U-shaped support 75, the fixing rod 81 is provided with a bearing 83 at the position of the skirt belt 3, the outer ring of the bearing 83 is in contact with the skirt belt 3; the detachable connection of the fixing rod 81 with the U-shaped support 75 facilitates installation and removal, and also facilitates replacement, improving convenience; the base 82 plays a limiting role on the fixing rod 81; the bearing 83 is used for limiting the skirt belt 3, avoiding the skirt belt 3 from running deviation and entering the peripheral mechanical device to damage the belt.

[0040] In some embodiments, the fixing rod 81 is arranged through the U-shaped support 75, and the fixing rod 81 is provided with a nut at the position of the U-shaped support 75; the nut is used for fixing the fixing rod 81 on the U-shaped support 75, and the base 82 provides a fixing condition for the nut to fix the fixing rod 81.

[0041] In some embodiments, the support frame 7 is provided with a tightness adjusting device 9 at the position of the discharging device, and the tightness adjusting device 9 is provided with a tail roller 71; the tightness adjusting device 9 can adjust the position of the tail roller 71 and realize the adjustment of the tightness of the skirt belt 3, preventing the skirt belt 3 from slipping after running for a certain period of time.

[0042] Figure 2 As shown Figure 1 , a local enlarged view of A. As shown Figure 2 , in some embodiments, the support frame 7 is provided with a vertical adjusting opening 77 at the position of the discharging device, the support frame 7 is provided with a tightness adjusting channel 78 communicating with the adjusting opening 77, the tightness adjusting device 9 comprises a screw rod 91, a connecting cover 92 and a sliding block 93, the connecting cover 92 is arranged on the support frame 7, the sliding block 93 is arranged in the tightness adjusting channel 78 at the position of the adjusting opening 77, the sliding block 93 is connected with the connecting cover 92 through the adjusting opening 77, the screw rod 91 is connected with the sliding block 93 at the position of the sliding block 93 in the tightness adjusting channel 78, and one end of the screw rod 91 outside the tightness adjusting channel 78 is detachably connected with the support frame 7; the adjusting opening 77 is used for accommodating the sliding block 93, providing a connection condition for connecting the connecting cover 92; the tightness adjusting channel 78 is used for accommodating the screw rod 91 and providing a moving channel for the screw rod 91; the connecting cover 92 provides an installation condition for the tail roller; the detachable connection of one end of the screw rod 91 outside the tightness adjusting channel 78 with the support frame 7 provides an adjusting condition for the tightness adjustment of the skirt belt 3, and also provides a fixing condition for the screw rod 91.

[0043] Specifically, the screw rod 91 is connected with the support frame 7 through a nut.

[0044] In some embodiments, the discharge device includes a discharge funnel 6, the discharge funnel 6 is provided with a dust cover 5, and the skirt belt 3 located in the discharge funnel 6 is housed in the dust cover 5; when the material falls from the skirt belt 3, dust will be generated, and the dust cover 5 can cover the dust to avoid environmental pollution; the discharge funnel 6 plays a guiding role for the material.

[0045] In some embodiments, the dust cover 5 is provided with a safety platform 4; this allows staff to easily observe the machinery from the safety platform 4; and the safety platform 4 ensures the personal safety of the staff.

[0046] In some embodiments, the feeder includes a feeder body 1 and a feed hopper 2 connected vertically in sequence. The outlet of the feed hopper 2 and the skirted belt 3 form a dust-proof discharge zone 31. The outlet end of the feed hopper 2 is housed within the skirted belt 3. The feeder body 1 is used to generate materials. The feed hopper 2 guides the materials so that they fall onto the skirted belt 3. Discharging materials from the dust-proof discharge zone 31 can avoid a large amount of dust.

[0047] Figure 6 It shows Figure 1 A magnified view of a portion of E. (See image below.) Figure 6 As shown, in some embodiments, the feeder body 1 is provided with a hammering device, which includes a reducer 11 disposed on the outer wall of the feeder body 1. The output end of the reducer 11 is provided with a shaft 12 that penetrates into the feeder body 1. The shaft 12 is provided with a hammering block 13. The hammering block 13 is used to hammer the material, so that the surrounding ore deposits are loosened and fall off, avoiding blockage.

[0048] Specifically, the shape of the hammer block 13 can be selected, but is not limited to, a cross shape.

[0049] In some embodiments, the feeding hopper 2 is provided with a monitoring hole 21 at the position of the monitoring platform 76, so that the monitoring personnel can observe the situation inside the feeding hopper 2.

[0050] In some embodiments, a ladder 79 is mounted on the support frame 7; the ladder 79 facilitates the monitoring personnel to climb to the monitoring hole 21 for observation.

[0051] Figure 9 A schematic diagram showing the connection between the ladder 79 and the monitoring platform 76 is provided. Figure 9 As shown, in some embodiments, the ladder 79 is provided with a monitoring platform 76 at the monitoring hole 21; the monitoring platform 76 is convenient for monitoring personnel to stand on, and the monitoring hole 21 is convenient for monitoring personnel to observe the situation inside the feeder.

[0052] Figure 5 It shows Figure 1 A magnified view of a portion of D. (e.g.) Figure 5As shown, in some embodiments, the monitoring hole 21 is provided with a monitoring door 22; the monitoring door 22 is used to close the monitoring hole 21, so as to avoid the material from falling off from the monitoring hole 21.

[0053] Working principle of the blanking device:

[0054] The distance between the reducing feeder and the skirt belt 3 is reduced, so that a large amount of dust is avoided, and the skirt of the skirt belt 3 can avoid a small amount of dust, so that the dust is removed without a spraying machine, and the swing type ore unloading machine will not be blocked due to rust and cause uneven unloading of the ore bin discharge port.

[0055] The driver 741 is started, and in turn drives the gear transmission 742, the driving roller 73 and the tail roller 71 to rotate, and the skirt belt 3 also operates. The material in the feeder body 1 is beaten by the beating device and enters the skirt belt 3 through the feeding hopper 2 and the dust prevention interval 31, and the operating skirt belt 3 transports the material to the dust cover 5, and when reaching the discharge hopper 6, the material falls into the discharge hopper 6. In the process of transporting the material, the deviation correcting device 8 can timely correct the transportation direction of the skirt belt 3, that is, the skirt of the skirt belt 3 is in contact with the outer ring of the bearing 83 of the deviation correcting device 8, and the position of the bearing 83 is fixed, so that the outer ring of the bearing 83 can timely correct the position of the skirt belt 3 in the process of operation.

[0056] If the skirt belt 3 is loose, the tightness of the skirt belt 3 is adjusted through the tightness adjusting device 9. The skirt belt 3 stops operating, the screw rod 91 is disassembled with the supporting frame 7, and the screw rod 91 is pulled outward, the sliding block 93 drives the connecting cover 92 to move, so as to drive the tail roller 71 to move, and when the skirt belt 3 is in a tight state, the screw rod 91 and the supporting frame 7 are connected by using the nut, and the tightness adjustment of the skirt belt 3 is completed.

[0057] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the embodiments of the utility model.

Claims

1. A feeding device, characterized in that, Includes a feeder, the outlet of which is provided with a transport structure, the transport structure being spatially perpendicular to the feeder, the outlet of the feeder being housed within the transport structure, the portion of the transport structure located on the feeder and the outlet of the feeder forming a dust-proof discharge zone (31), and the transport structure being provided with a drive device (74).

2. The feeding device according to claim 1, characterized in that, The transport structure includes a support frame (7), on which a transport roller assembly is provided, and on which a skirted belt (3) is provided, and on which a drive device (74) connected to the transport roller assembly is provided, and the outlet of the feeder is housed in the skirted belt (3), and the part of the skirted belt (3) located at the feeder and the outlet of the feeder form a material discharge dustproof zone (31), and the part of the support frame (7) away from the drive device (74) is provided with a discharge device.

3. The feeding device according to claim 2, characterized in that, The transport roller assembly includes a drive roller (73), a tail roller (71), and a support roller (72). The support frame (7) has a drive roller (73) located at the drive device (74), and the drive roller (73) is connected to the drive device (74). The support frame (7) has a tail roller (71) located at the discharge device. The support frame (7) has a support roller (72) located between the tail roller (71) and the drive roller (73). The skirt belt (3) is sequentially sleeved on the drive roller (73), the support roller (72), and the tail roller (71).

4. The feeding device according to claim 2, characterized in that, The support frame (7) is provided with U-shaped brackets (75) on both sides of the skirt belt (3). The U-shaped brackets (75) are provided with a deflection device (8) at one end of the feeder and at one end of the support roller (72). The deflection device (8) is in contact with the skirt belt (3).

5. The feeding device according to claim 4, characterized in that, The adjustment device (8) includes a fixed rod (81) detachably connected to the U-shaped bracket (75). The fixed rod (81) is provided with a base (82) that contacts the U-shaped bracket (75). The fixed rod (81) is provided with a bearing (83) at the part of the skirt belt (3). The outer ring of the bearing (83) contacts the skirt belt (3).

6. The feeding device according to claim 2, characterized in that, The support frame (7) is provided with a tightening device (9) at the discharge device, and the tightening device (9) is provided with a tail roller (71).

7. The feeding device according to claim 6, characterized in that, The support frame (7) has a vertically penetrating adjustment port (77) at the discharge device location. The support frame (7) has a tightening channel (78) communicating with the adjustment port (77) at the discharge device location. The tightening device (9) includes a screw (91), a connecting cover (92), and a slider (93). The connecting cover (92) covers the support frame (7). The slider (93) is slidably mounted on the tightening channel (78) at the adjustment port (77). The slider (93) passes through the adjustment port (77) and is connected to the connecting cover (92). The part of the slider (93) inside the tightening channel (78) is connected to the screw (91). The end of the screw (91) outside the tightening channel (78) is detachably connected to the support frame (7).

8. The feeding device according to claim 2, characterized in that, The discharge device includes a discharge funnel (6), and a dust cover (5) is provided on the discharge funnel (6). The skirt belt (3) located in the discharge funnel (6) is housed in the dust cover (5).

9. The feeding device according to any one of claims 1 to 8, characterized in that, The feeder includes a feeder body (1) and a feed hopper (2) connected vertically in sequence. The outlet of the feed hopper (2) and the skirt belt (3) form a dustproof feeding zone (31). The outlet end of the feed hopper (2) is housed in the skirt belt (3).

10. The feeding device according to claim 9, characterized in that, The feeder body (1) is provided with a hammering device, which includes a reducer (11) located on the outer wall of the feeder body (1). The output end of the reducer (11) is provided with a shaft (12) that penetrates into the feeder body (1), and a hammering block (13) is provided on the shaft (12).