An automatic unloading device for a calcium carbonate production line

Abstract

The present application relates to an automatic unloading device for a calcium carbonate production line, and to the technical field of calcium carbonate production equipment. An automatic unloading device for a calcium carbonate production line comprises a silo and an unloading valve connected to the bottom of the silo, a transport member for transporting powder is provided at the bottom of the unloading valve, a unloading pipe is provided at an angle at the end of the unloading valve away from the silo, a closing plate for closing the unloading pipe is provided slidingly toward the end of the transport member, and an adjusting component for adjusting the position of the closing plate relative to the unloading pipe is provided on the unloading pipe. The present application has the effect of conveniently realizing the unloading and transporting of calcium carbonate powder and improving the production efficiency of the powder.

Description

Technical Field

[0001] The present application relates to the technical field of calcium carbonate production equipment, and in particular to an automatic feeding device for a calcium carbonate production line. Background Art

[0002] At present, calcium carbonate is a white fine crystalline powder that is basically insoluble in water but soluble in hydrochloric acid. It is an extremely important building material. The production of calcium carbonate powder usually requires multiple processes such as material selection, crushing, raw material reaction, bleaching, decolorization, filtration, synthesis and drying.

[0003] With regard to the above-mentioned related technologies, most of the existing calcium carbonate powder production lines adopt manual unloading and transfer the powder to the next process by a cart. This unloading method is not only inefficient, but also labor-intensive, affecting the production efficiency of calcium carbonate powder, so it needs to be improved. Summary of the invention

[0004] In order to facilitate the unloading and transportation of calcium carbonate powder and improve the production efficiency of the powder, the present application provides an automatic unloading device for a calcium carbonate production line.

[0005] The automatic unloading device of a calcium carbonate production line provided in the present application adopts the following technical solution: An automatic unloading device for a calcium carbonate production line comprises a silo and a unloading valve connected to the bottom of the silo, a transport member for transporting powder is provided at the bottom of the unloading valve, a unloading pipe is provided at an angle at the end of the unloading valve away from the silo, a closing plate for closing the unloading pipe is provided on the unloading pipe so as to slide toward the end of the transport member, and an adjusting component for adjusting the position of the closing plate relative to the unloading pipe is provided on the unloading pipe.

[0006] By adopting the above technical scheme, the discharge valve controls the opening and closing state of the silo, and the inclined discharge pipe slowly transfers the powder to the transport member, thereby realizing the discharge and transportation of the powder; the adjustment component adjusts the relative position between the closing plate and the discharge pipe, and adjusts the open state of the end of the discharge pipe, thereby adjusting the discharge speed of the discharge pipe, so as to facilitate more stable discharge and transportation of the powder, and improve the production efficiency of the powder.

[0007] Preferably, the adjustment assembly includes a fixed block, a fixed rod, an adjusting screw and an adjusting piece; the fixed block is arranged at the end of the discharge tube facing the transport piece, and the fixed blocks are distributed on both sides of the width direction of the discharge tube; the side walls of each group of the fixed blocks and the end of the discharge tube facing each other are in contact with the side walls of the closing plate, and the closing plate can slide between the fixed block and the discharge tube; the fixed rod is arranged between the two groups of fixed blocks, the adjusting screw is threadedly connected to the fixed rod, and the end of the adjusting screw is against the closing plate to limit the movement of the closing plate; the adjusting piece is arranged on the adjusting screw to drive the adjusting screw to rotate.

[0008] By adopting the above technical solution, the fixed rod limits the sliding direction of the closing plate, the adjusting member drives the adjusting screw to rotate, and the adjusting screw resists the closing plate to limit the movement of the closing plate, thereby adjusting the relative position of the closing plate and the discharge pipe, and then adjusting the discharge speed of the discharge pipe.

[0009] Preferably, the adjustment assembly includes a fixed block, a fixed rod, an adjusting screw and an adjusting piece; the fixed blocks are arranged on both sides of the width direction of the closing plate, the fixed rod and the adjusting screw are both arranged on the outside of the discharge pipe, and the length directions of the fixed rod and the adjusting screw are parallel to the sliding direction of the closing plate; the fixed rod passes through one group of fixed blocks, and the adjusting screw passes through the other group of fixed blocks; the adjusting screw is rotatably connected to the discharge pipe, and the adjusting screw is threadedly connected to the fixed block; the adjusting piece is arranged on the discharge pipe to drive the adjusting screw to rotate.

[0010] By adopting the above technical solution, the fixed rod limits the moving direction of the closing plate, the adjusting member drives the adjusting screw to rotate, and the rotating adjusting screw applies a force to the fixed block, so that the fixed block drives the closing plate to move, thereby realizing the automatic driving of the closing plate.

[0011] Preferably, the transport member is provided with a magnetic attraction component for magnetically attracting impurities in the powder.

[0012] By adopting the above technical solution, the magnetic suction component absorbs impurities transported by the transport parts, thereby improving the production quality of the final product.

[0013] Preferably, the magnetic attraction assembly includes a fixed frame, a hanging rod, a rotating screw and a magnetic attraction member; the fixed frame is arranged outside the transport member, the hanging rod is slidably arranged on the fixed frame, the rotating screw is threadedly connected to the end of the hanging rod facing the transport member, and the magnetic attraction member is detachably connected to the end of the rotating screw facing the transport member to absorb impurities by magnetism.

[0014] By adopting the above technical solution, the relative position between the magnetic attraction member and the transport member is adjusted by using the suspension rod and the rotating screw rod, so as to facilitate magnetic attraction processing of powder materials at different heights on the transport member.

[0015] Preferably, a combing assembly is provided on the transport member for combing the powder on the transport member.

[0016] By adopting the above technical solution, the combing component combs the powder accumulated on the transport component, thereby reducing the phenomenon of powder accumulation in one place and achieving a more uniform and smooth transportation of the powder.

[0017] Preferably, the combing assembly includes a guide frame, a guide rod, a combing rod, a fixed plate, a limit rod and a driving member; the guide frame is arranged on the outside of the transport member, the guide rod is slidably arranged on the guide frame, the combing rod is arranged on the side wall of the guide rod facing the transport member, and the combing rods are spaced apart along the length direction of the guide rod; the fixed plate is arranged on the guide rod, the limit rod is slidably penetrated on the guide frame, and the end of the limit rod is threadedly connected to the fixed plate; the driving member is arranged on the guide frame to drive the guide rod to drive the combing rod to slide back and forth relative to the transport member.

[0018] By adopting the above technical solution, the limit rod passes through the guide frame and is connected to the fixed plate, thereby limiting the phenomenon that the guide rod and the combing rod rotate around the guide rod relative to the guide frame; the driving member drives the guide rod to drive the combing rod to move back and forth, so that the combing rod combs the powder passing through the combing rod on the transport member.

[0019] Preferably, the driving member includes a fixed ring sleeve, a fixed rack, a missing gear and a driving motor; the fixed ring sleeve is arranged at the end of the guide rod, the fixed rack is arranged on the inner side walls on both sides of the width direction of the fixed ring sleeve, the missing gear is rotatably arranged between two groups of fixed racks, and the missing gear is meshed with each group of fixed racks; the driving motor is arranged on the guide frame to drive the missing gear to rotate.

[0020] By adopting the above technical scheme, the output end of the driving motor drives the missing gear to rotate, and when the rotating missing gear is engaged with one set of fixed racks, the fixed ring sleeve is driven to drive the guide rod to move in the direction away from the driving motor; then the rotating missing gear is engaged with the other set of fixed racks to drive the fixed ring sleeve to drive the guide rod to move in the direction close to the driving motor; by the intermittent engagement and transmission of the rotating missing gear with the two sets of fixed racks, the fixed ring sleeve drives the guide rod and the combing rod to reciprocate, thereby combing the powder on the transport member.

[0021] Preferably, the combing rod is a magnetic member for absorbing impurities, and the guide frame is provided with a cleaning component for cleaning impurities on the combing rod.

[0022] By adopting the above technical solution, the magnetic combing rod absorbs impurities inside the powder on the transport member during the reciprocating combing process, thereby reducing the content of magnetic impurities inside the powder. The impurities attached to the combing rod are quickly cleaned through the cleaning component to ensure the efficiency of the combing rod in adsorbing impurities.

[0023] Preferably, the guide rod includes a sliding rod and a rotating rod; the sliding rod is slidably arranged on both sides of the guide frame in the width direction, and the sliding rod is connected to the driving member; the rotating rod is rotatably arranged between the two groups of sliding rods, and the fixed plate and the combing rod are both arranged on the sliding rod; the cleaning assembly includes a cleaning plate and an elastic belt, the cleaning plate is slidably mounted on all the combing rods, and the side wall of the cleaning plate facing away from the rotating rod is provided with a receiving groove for receiving impurities, and the elastic belt is arranged between the cleaning plate and the guide frame to drive the cleaning plate to move in a direction away from the transport member through its own pulling force.

[0024] By adopting the above technical scheme, when the combing rod is needed to comb the powder and clean the impurities on the transport part, the limit rod passes through the guide frame and is threadedly connected to the fixed plate to limit the rotating rod from driving the combing rod to rotate relative to the sliding rod. At this time, the elastic belt is in a tensioned state; when it is necessary to clean the impurities on the surface of the combing rod, the limit rod is disassembled to drive the rotating rod to drive the combing rod to rotate. The tensioned elastic belt drives the cleaning plate to move in the direction away from the transport part through its own tension. The moving cleaning plate scrapes and cleans the impurities attached to the combing rod and stores the impurities in the storage groove, thereby realizing rapid cleaning of the impurities attached to the combing rod to ensure the efficiency of the combing rod in adsorbing impurities.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting the discharge valve to control the opening and closing state of the silo, the inclined discharge pipe slowly transfers the powder to the transport part to realize the discharge and transportation of the powder; the adjustment component adjusts the relative position of the closing plate and the discharge pipe, adjusts the open state of the end of the discharge pipe, and thus adjusts the discharge speed of the discharge pipe, so as to facilitate more stable discharge and transportation of the powder, and improve the production efficiency of the powder; 2. The magnetic suction component is set to absorb the impurities transported by the transport parts, thereby improving the production quality of the final product; 3. By setting up a combing component to comb the powder accumulated on the transport parts, the phenomenon of powder accumulation in one place is reduced, and a more uniform and smooth transportation of the powder is achieved; and the magnetic force on the combing rod is used to adsorb impurities mixed in the powder, thereby improving the production quality of the final product. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an automatic unloading device of a calcium carbonate production line in Example 1 of the present application.

[0027] Figure 2 It is a structural schematic diagram of the connection relationship between the closing plate and the adjustment component in Example 1.

[0028] Figure 3 It is a schematic diagram of the structure of the magnetic attraction component in Example 1.

[0029] Figure 4 It is a structural schematic diagram of the connection relationship between the combing component and the transport component in Example 2.

[0030] Figure 5 It is a structural schematic diagram of the connection relationship between the closing plate and the adjustment component in Example 2.

[0031] Figure 6 It is a structural schematic diagram of the connection relationship between the combing component and the cleaning component in Example 2.

[0032] Description of reference numerals: 1. Bin; 11. Discharge valve; 12. Transport part; 13. Discharge pipe; 14. Closing plate; 2. Adjustment assembly; 21. Fixed block; 22. Fixed rod; 23. Adjustment screw; 24. Adjustment part; 3. Magnetic assembly; 31. Fixed frame; 32. Hanging rod; 33. Rotating screw; 34. Magnetic part; 4. Combing assembly; 41. Guide frame; 42. Guide rod; 421. Sliding rod; 422. Rotating rod; 43. Combing rod; 44. Fixed plate; 45. Limit rod; 46. Driving part; 461. Fixed ring; 462. Fixed rack; 463. Missing gear; 464. Driving motor; 5. Cleaning assembly; 51. Cleaning plate; 511. Storage slot; 52. Elastic belt. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-6 This application is described in further detail.

[0034] The embodiment of the present application discloses an automatic unloading device for a calcium carbonate production line, which is used to conveniently unload and transport calcium carbonate powder and improve the production efficiency of the powder.

[0035] Embodiment 1: Reference Figure 1 and Figure 2An automatic unloading device for a calcium carbonate production line includes a silo 1 and an unloading valve 11 connected and installed at the bottom of the silo 1. In this embodiment, the unloading valve 11 is a slide valve to control the opening and closing state of the bottom of the silo 1. A transport member 12 is installed on the ground on the side of the unloading valve 11 away from the silo 1 through a frame. In this embodiment, the transport member 12 can be a belt conveyor to quickly transport the powder to the next production process.

[0036] Reference Figure 1 and Figure 2 The end of the discharge valve 11 facing the transport member 12 is connected to a discharge pipe 13, and the discharge pipe 13 is extended in an inclined state. A closing plate 14 is slidably installed along the vertical direction at the end of the discharge pipe 13 facing the transport member 12, so as to close the pipe opening of the discharge pipe 13 facing the transport member 12. An adjustment assembly 2 is installed on the discharge pipe 13, so as to adjust the position of the closing plate 14 relative to the discharge pipe 13.

[0037] Reference Figure 1 and Figure 2 The adjustment assembly 2 includes a fixed block 21, a fixed rod 22, an adjustment screw 23 and an adjustment member 24; the fixed block 21 is welded and fixed to the end of the feeding tube 13 facing the transport member 12, and the fixed block 21 is extended in the vertical direction, and the fixed blocks 21 are distributed on both sides of the width direction of the feeding tube 13. A gap for the closing plate 14 to slide is reserved between each group of fixed blocks 21 and the end wall of the feeding tube 13, and the side walls of each group of fixed blocks 21 and the end of the feeding tube 13 facing each other are in contact with the side walls of the closing plate 14.

[0038] Reference Figure 1 and Figure 2 The fixing rod 22 is welded and fixed between the two sets of fixing blocks 21, and the adjusting screw 23 is threadedly connected to the fixing rod 22 through a nut welded on the fixing rod 22. The end of the adjusting screw 23 abuts against the closing plate 14 to limit the movement of the closing plate 14 relative to the feeding tube 13. In this embodiment, the adjusting member 24 is an iron block welded and fixed to the end of the adjusting screw 23, so that the operator can drive the adjusting screw 23 to rotate.

[0039] Reference Figure 1 and Figure 3 , a magnetic attraction component 3 is installed on the transport member 12 for magnetically attracting impurities in the powder. The magnetic attraction component 3 includes a fixed frame 31, a suspension rod 32, a rotating screw 33 and a magnetic attraction member 34; in this embodiment, the magnetic attraction member 34 can be a magnet block. The fixed frame 31 is installed on the ground outside the transport member 12, and the transport member 12 is located inside the fixed frame 31. The suspension rod 32 is slidably installed on the fixed frame 31 through a slider, and the suspension rod 32 is relatively distributed on both sides of the width direction of the fixed frame 31.

[0040] Reference Figure 1and Figure 3 The rotating screw 33 is threadedly connected to the suspension rod 32 through a nut welded to the bottom of each set of suspension rods 32, and each set of rotating screws 33 faces the transport member 12. The magnetic attraction member 34 is detachably connected to the end of the rotating screw 33 facing the transport member 12 through a clamp ring and a hook, and attracts magnetic impurities inside the powder through its own magnetism.

[0041] The implementation principle of an automatic feeding device for a calcium carbonate production line in Example 1 of the present application is as follows: Open the discharge valve 11, and the powder inside the silo 1 is slowly discharged through the inclined discharge pipe 13. The adjusting screw 23 is driven to rotate by the adjusting member 24, so that the adjusting screw 23 gradually moves away from the closing plate 14, so as to facilitate the sliding of the closing plate 14, and adjust the closing state of the closing plate 14 on the end of the discharge pipe 13, so as to adjust the opening state of the end of the discharge pipe 13, thereby adjusting the discharge speed of the discharge pipe 13, so that the transport member 12 can smoothly and evenly transport the powder to the next process, thereby improving the production efficiency of the powder.

[0042] Embodiment 2: The difference between this embodiment 2 and embodiment 1 is that: Figure 4 and Figure 5 The adjusting assembly 2 includes a fixing block 21, a fixing rod 22, an adjusting screw 23 and an adjusting member 24. In this embodiment, the adjusting member 24 is a motor. The fixing blocks 21 are integrally formed on both sides of the closing plate 14 in the width direction, and the fixing blocks 21 are located outside the feeding tube 13.

[0043] Reference Figure 4 and Figure 5 The fixing rod 22 and the adjusting screw 23 are both installed on the outside of the feeding tube 13 through a bracket, and the length directions of the fixing rod 22 and the adjusting screw 23 are parallel to the sliding direction of the closing plate 14. The fixing rod 22 passes through one set of fixing blocks 21, and the adjusting screw 23 passes through the other set of fixing blocks 21; the adjusting screw 23 is rotatably connected to the bracket, and the adjusting screw 23 is threadedly connected to the fixing block 21. The adjusting member 24 is fixedly installed on the bracket outside the feeding tube 13, and the output end of the adjusting member 24 is transmission-connected with the adjusting screw 23 to drive the adjusting screw 23 to rotate, thereby driving the fixing block 21 to drive the closing plate 14 to slide along the vertical direction.

[0044] Reference Figure 4 and Figure 6, a combing assembly 4 is installed on the transport member 12, and the combing assembly 4 is located between the discharge pipe 13 and the magnetic member 34, so as to comb the powder on the transport member 12. The combing assembly 4 includes a guide frame 41, a guide rod 42, a combing rod 43, a fixing plate 44, a limit rod 45 and a driving member 46; the guide frame 41 is installed on the ground outside the transport member 12, and the transport member 12 is located inside the guide frame 41. In this embodiment, the guide rod 42 includes a sliding rod 421 and a rotating rod 422; the sliding rod 421 is slidably inserted on both sides of the guide frame 41 in the width direction, and the rotating rod 422 is rotatably connected between the two groups of sliding rods 421, and the rotating rod 422 is located above the transport member 12, so that the sliding rod 421 and the rotating rod 422 slide along the width direction of the transport member 12.

[0045] Reference Figure 4 and Figure 6 The combing rod 43 is fixedly connected to the side wall of the rotating rod 422 facing the transport member 12, and all the combing rods 43 are spaced apart along the length direction of the rotating rod 422. In this embodiment, the combing rod 43 is a magnetic member made of magnets, which is used to absorb magnetic impurities in the powder by its own magnetism.

[0046] Reference Figure 4 and Figure 6 The fixing plates 44 are welded and fixed to the two ends of the rotating rod 422 in the length direction, and the limiting rods 45 are slidably inserted into the two ends of the guide frame 41 in the width direction. In this embodiment, the limiting rods 45 and the fixing plates 44 are respectively arranged in a one-to-one correspondence, and the ends of each group of limiting rods 45 passing through the guide frame 41 are threadedly connected to the corresponding fixing plates 44 to limit the rotating rod 422 from rotating relative to the guide frame 41 around the sliding rod 421.

[0047] Reference Figure 4 and Figure 6 The driving member 46 is installed between the guide frame 41 and the sliding rod 421 to drive the sliding rod 421 and the rotating rod 422 to drive the combing rod 43 to slide back and forth relative to the transport member 12. The driving member 46 includes a fixed ring sleeve 461, a fixed rack 462, a missing gear 463 and a driving motor 464; the fixed ring sleeve 461 is fixedly connected to the end of one group of sliding rods 421, the fixed rack 462 is integrally formed inside the fixed ring sleeve 461, and the fixed rack 462 is relatively distributed on both sides of the fixed ring sleeve 461 in the width direction, and the length direction of each group of fixed racks 462 is parallel to the sliding direction of the sliding rod 421.

[0048] Reference Figure 4 and Figure 6The driving motor 464 is fixedly mounted on the guide frame 41 through a support plate, and the missing gear 463 is keyed to the output end of the driving motor 464. The missing gear 463 is located between the two sets of fixed racks 462, and the missing gear 463 and the two sets of fixed racks 462 are meshed with each other to drive the sliding rod 421 to reciprocate relative to the guide frame 41.

[0049] Reference Figure 4 and Figure 6 A cleaning assembly 5 for cleaning impurities on the combing rod 43 is installed on the guide frame 41; the cleaning assembly 5 includes a cleaning plate 51 and an elastic belt 52. In this embodiment, the elastic belt 52 can be made of rubber with good elasticity and easy stretching and deformation.

[0050] Reference Figure 4 and Figure 6 The cleaning plate 51 is slidably sleeved on all the combing rods 43, and the cleaning plate 51 and all the combing rods 43 are adapted to each other; in this embodiment, the cleaning plate 51 is made of a magnet. The side wall of the cleaning plate 51 away from the rotating rod 422 is provided with a receiving groove 511 along the thickness direction to receive impurities on the combing rod 43. The elastic band 52 is glued and connected between the cleaning plate 51 and the top of the guide frame 41, so that the cleaning plate 51 is driven by its own pulling force to move in a direction away from the transport member 12, thereby scraping and cleaning the impurities attached to the surface of all the combing rods 43.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic feeding device for a calcium carbonate production line, characterized in that: The invention comprises a silo (1) and a discharge valve (11) connected to the bottom of the silo (1); a transport member (12) for transporting powder is arranged at the bottom of the discharge valve (11); a discharge pipe (13) is arranged at an angle at the end of the discharge valve (11) away from the silo (1); a closing plate (14) for closing the discharge pipe (13) is arranged to slide toward the end of the transport member (12); and an adjustment component (2) for adjusting the position of the closing plate (14) relative to the discharge pipe (13) is arranged on the discharge pipe (13).

2. The automatic unloading device for a calcium carbonate production line according to claim 1, characterized in that: The adjusting assembly (2) comprises a fixing block (21), a fixing rod (22), an adjusting screw rod (23) and an adjusting member (24); the fixing block (21) is arranged at the end of the material discharge pipe (13) facing the transport member (12), and the fixing blocks (21) are distributed on both sides of the width direction of the material discharge pipe (13); the side walls of each group of the fixing blocks (21) and the end of the material discharge pipe (13) facing each other are in contact with the side walls of the closing plate (14), and the closing plate (14) is provided with a fixing rod (22) and an adjusting screw rod (23) and an adjusting member (24); The plate (14) can slide between the fixed block (21) and the feed tube (13); the fixed rod (22) is arranged between the two groups of fixed blocks (21); the adjusting screw (23) is threadedly connected to the fixed rod (22); the end of the adjusting screw (23) abuts against the closing plate (14) to limit the movement of the closing plate (14); the adjusting member (24) is arranged on the adjusting screw (23) to drive the adjusting screw (23) to rotate.

3. The automatic unloading device for a calcium carbonate production line according to claim 1, characterized in that: The adjusting assembly (2) comprises a fixed block (21), a fixed rod (22), an adjusting screw (23) and an adjusting member (24); the fixed block (21) is arranged on both sides of the closing plate (14) in the width direction, the fixed rod (22) and the adjusting screw (23) are both arranged outside the feeding tube (13), and the length directions of the fixed rod (22) and the adjusting screw (23) are both parallel to the sliding direction of the closing plate (14); the fixed rod (22) passes through one group of the fixed blocks (21), and the adjusting screw (23) passes through the other group of the fixed blocks (21); the adjusting screw (23) is rotatably connected to the feeding tube (13), and the adjusting screw (23) is threadedly connected to the fixed block (21); the adjusting member (24) is arranged on the feeding tube (13) to drive the adjusting screw (23) to rotate.

4. The automatic unloading device for a calcium carbonate production line according to claim 1, characterized in that: The transport member (12) is provided with a magnetic attraction component (3) for magnetically attracting impurities in the powder.

5. The automatic unloading device for a calcium carbonate production line according to claim 4, characterized in that: The magnetic attraction component (3) comprises a fixed frame (31), a suspension rod (32), a rotating screw rod (33) and a magnetic attraction member (34); the fixed frame (31) is arranged outside the transport member (12), the suspension rod (32) is slidably arranged on the fixed frame (31), the rotating screw rod (33) is threadedly connected to the end of the suspension rod (32) facing the transport member (12), and the magnetic attraction member (34) is detachably connected to the end of the rotating screw rod (33) facing the transport member (12) to attract impurities by magnetism.

6. The automatic unloading device for a calcium carbonate production line according to claim 1, characterized in that: The transport member (12) is provided with a combing component (4) for combing the powder on the transport member (12).

7. The automatic unloading device for a calcium carbonate production line according to claim 6, characterized in that: The combing assembly (4) comprises a guide frame (41), a guide rod (42), a combing rod (43), a fixing plate (44), a limiting rod (45) and a driving member (46); the guide frame (41) is arranged outside the transport member (12), the guide rod (42) is slidably arranged on the guide frame (41), the combing rod (43) is arranged on the side wall of the guide rod (42) facing the transport member (12), and the combing rod (43) is distributed at intervals along the length direction of the guide rod (42); the fixing plate (44) is arranged on the guide rod (42), the limiting rod (45) is slidably penetrated on the guide frame (41), and the end of the limiting rod (45) is threadedly connected to the fixing plate (44); the driving member (46) is arranged on the guide frame (41) to drive the guide rod (42) to drive the combing rod (43) to slide back and forth relative to the transport member (12).

8. The automatic unloading device for a calcium carbonate production line according to claim 7, characterized in that: The driving member (46) comprises a fixed ring sleeve (461), a fixed rack (462), a missing gear (463) and a driving motor (464); the fixed ring sleeve (461) is arranged at the end of the guide rod (42); the fixed rack (462) is arranged on the inner side walls of both sides of the fixed ring sleeve (461) in the width direction; the missing gear (463) is rotatably arranged between two groups of fixed racks (462), and the missing gear (463) and each group of fixed racks (462) are meshed with each other; the driving motor (464) is arranged on the guide frame (41) to drive the missing gear (463) to rotate.

9. The automatic unloading device for a calcium carbonate production line according to claim 7, characterized in that: The combing rod (43) is a magnetic member used for absorbing impurities, and the guide frame (41) is provided with a cleaning component (5) used for cleaning impurities on the combing rod (43).

10. The automatic unloading device for a calcium carbonate production line according to claim 9, characterized in that: The guide rod (42) comprises a sliding rod (421) and a rotating rod (422); the sliding rod (421) is slidably arranged on both sides of the guide frame (41) in the width direction, and the sliding rod (421) is connected to the driving member (46); the rotating rod (422) is rotatably arranged between the two groups of sliding rods (421), and the fixed plate (44) and the combing rod (43) are both arranged on the sliding rod (421); the cleaning component (5) comprises a cleaning plate (51) and an elastic belt (52); the cleaning plate (51) is slidably sleeved on all the combing rods (43), and a receiving groove (511) for receiving impurities is provided on the side wall of the cleaning plate (51) away from the rotating rod (422), and the elastic belt (52) is arranged between the cleaning plate (51) and the guide frame (41) so as to drive the cleaning plate (51) to move in a direction away from the transport member (12) through its own pulling force.

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