A screening device for steel balls forged from steel for cement mills

Abstract

The application relates to the technical field of grinding equipment, in particular to a screening device for cement mill steel ball steel forging, which comprises a rack, a screening mechanism, a feeding assembly and a screening assembly. The inner part of the rack is respectively provided with a discharging conveying frame, an unqualified product conveying frame and a qualified product conveying frame. The screening mechanism is arranged on the left side of the inner part of the rack. The feeding assembly is arranged on the left side of the rack. The screening assembly is arranged on the right side of the inner part of the rack. The product size screening and the quality detection are divided into two parts, the product size screening and the quality detection are not interfered with each other, the continuous screening treatment of the product is realized, the screening efficiency of the product is obviously improved, the current steel ball steel forging screening mode can effectively solve the problems that a large amount of manpower is consumed, the labor intensity is high, screening omission is prone to occurring in the screening process and the quality stability of the steel ball steel forging after screening cannot be ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grinding equipment, in particular to a screening device for cement mill steel ball steel forging. BACKGROUND

[0002] The cement mill is a device for grinding cement raw materials, which mainly consists of grinding balls, feeding devices, inserts, discharge devices, transmission devices, motors and control systems, etc. Its main working principle is to put steel balls into the mill, and through the action of rotation and friction, the cement raw materials are ground into fine powder. The material of the grinding ball is usually high-chromium cast steel ball or steel forging ball with good wear resistance.

[0003] When producing and processing the grinding balls inside the cement mill, the formed steel ball steel forgings need to be screened. In order to ensure the consistency of the quality and size of the steel balls, unqualified steel balls can be removed through screening to ensure that only steel balls meeting the specified requirements are used. The current steel ball steel forging screening method usually uses a screen to screen the steel ball steel forgings. First, remove the steel ball steel forgings with unqualified size, and then pick and remove the steel ball steel forgings with unqualified quality. Such screening method not only consumes a lot of manpower, but also has high labor intensity. In the screening process, screening omission is easy to occur, and the quality stability of the screened steel ball steel forgings cannot be ensured.

[0004] Therefore, we propose a screening device for cement mill steel ball steel forging. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a screening device for cement mill steel ball steel forging, which solves the problems that the current steel ball steel forging screening method not only consumes a lot of manpower, but also has high labor intensity, and screening omission is easy to occur in the screening process, and the quality stability of the screened steel ball steel forgings cannot be ensured.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme: a screening device for cement mill steel ball steel forging, comprising:

[0007] A rack is provided with a discharge conveying frame, an unqualified product conveying frame and a qualified product conveying frame inside;

[0008] A screening mechanism is provided on the left side inside the rack, which screens and processes products of different size specifications;

[0009] A feeding assembly is provided on the left side of the rack, which automatically feeds the products into the interior of the screening mechanism;

[0010] The screening assembly is arranged on the right side of the inside of the rack, the quality of the screened product is detected through the screening assembly, and the product with unqualified quality is removed;

[0011] The screening mechanism comprises a plurality of first screening racks, one side of each of the plurality of first screening racks is fixedly connected with one side of the inner wall of the rack, the bottom of each of the plurality of first screening racks is fixedly provided with a second screening rack, the discharge conveying frame is located below the plurality of second screening racks, a first material turning frame is rotatably arranged in each of the plurality of first screening racks, a second material turning frame is rotatably arranged in each of the plurality of second screening racks, a belt pulley is fixedly arranged at one end of each of the plurality of first material turning frames and the plurality of second material turning frames, and the plurality of belt pulleys are drivingly connected through a belt, and a material discharging frame is fixedly arranged between the bottom of the first screening rack and the top of the second screening rack, and the top of the material discharging frame is in communication with the inside of the first material turning frame through an automatic control valve.

[0012] The first screening rack is fixedly provided with a first screen on both sides of the bottom, the second screening rack is fixedly provided with a second screen on the bottom, and the left side of the inner wall of the second screening rack is movably provided with a material pushing plate.

[0013] Preferably, the diameter of the screen hole of the first screen is greater than the diameter of the screened product, and the diameter of the screen hole of the second screen is less than the diameter of the screened product.

[0014] Preferably, the inside of the material pushing plate is slidingly connected with the surface of the second material turning frame, and the right side of the second screening rack is provided with an automatic control valve.

[0015] Preferably, the screening assembly comprises a rotating detection frame and a movable detection frame, the right side of the inside of the rack is provided with a screening cavity, and the unqualified product conveying frame and the qualified product conveying frame are respectively located on both sides below the inside of the screening cavity.

[0016] Preferably, the left side of the inner wall of the screening cavity is fixedly provided with a metering frame, the inside of the metering frame is in communication with the inside of the plurality of second screening racks, a quantitative frame is rotatably arranged in the inside of the metering frame, and a discharge port is arranged below the right side of the metering frame.

[0017] Preferably, the inside of the screening cavity is rotatably provided with a rotating detection frame, the upper side of the rotating detection frame is further provided with a movable detection frame, the top of the inner wall of the screening cavity is fixedly provided with four servo cylinders, the driving end of each of the four servo cylinders is fixedly connected with the top of the movable detection frame, and each of the opposite sides of the rotating detection frame and the movable detection frame is provided with a plurality of detection holes.

[0018] Preferably, the inside of the detection hole is provided with a plurality of contact sensors, and the bottom of the inner wall of the detection hole on the rotating detection frame is further provided with an electromagnet.

[0019] Preferably, the inner wall of the screening cavity is provided with two electric sliding tables, and a movable plate is slidingly arranged between the two electric sliding tables, the inside of the movable plate is movably provided with a scraping plate through a micro electric cylinder, and the bottom of the scraping plate is provided with a plurality of scraping ports.

[0020] Preferably, the feeding assembly comprises a feeding frame and a feeding pipeline, the lower left side of the rack is fixedly provided with a feeding frame, and the inside of the feeding frame is provided with a plurality of feeding pipelines, the inside of each of the plurality of feeding pipelines is rotatably provided with a lifting auger, and the upper side of one side of each of the plurality of feeding pipelines is provided with a feeding rack, one side of each of the plurality of feeding racks extends into the inside of each of the plurality of first screening frames, and the inside of each of the plurality of feeding racks is provided with an automatic control valve.

[0021] Preferably, the top left side of the rack is fixedly provided with a feeding motor, and the output shaft of the feeding motor and the top end of each of the plurality of lifting augers are provided with a belt pulley, wherein the surfaces of the plurality of belt pulleys are connected through a belt drive.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] 1、The present application is provided with a plurality of first screening frames, and a second screening frame is fixedly arranged at the bottom of each of the plurality of first screening frames, and a first turnover frame and a second turnover frame are arranged in the first screening frame and the second screening frame respectively, the first turnover frame and the second turnover frame are used to turn the products in the first screening frame and the second screening frame respectively, thereby realizing rapid screening and processing of the products, a first screen mesh is fixedly arranged on both sides of the bottom of the first screening frame, and a second screen mesh is fixedly arranged at the bottom of the second screening frame, wherein the diameter of the screen holes of the first screen mesh is larger than the diameter of the screened products, and the diameter of the screen holes of the second screen mesh is smaller than the diameter of the screened products, after the products are sent into the inside of the first screening frame, the first screen mesh is used to screen out the products with a size that is too large, leaving the products with a size that is too large above the first screen mesh, and the second screen mesh is used to screen out the products with a size that is too small, leaving the products that meet the size requirements above the second screen mesh, thereby realizing automatic screening and processing of the products, the entire screening process does not require manual operation, and the screening efficiency of the products is high.

[0024] 2、The second screening frame is internally provided with a pushing plate, the pushing plate is controlled to slide to the right inside the second screening frame through an electric sliding block, the product on the second screen is sent into the inside of the screening assembly through the automatic control valve by the pushing plate for automatic detection of product quality, the next batch of products is continuously screened through the first screening frame and the second screening frame, the product size screening and quality detection are separated into two parts, the product size screening and quality detection are not interfered with each other, continuous screening of the product is realized, and the screening efficiency of the product is remarkably improved.

[0025] 3、The rotating detection frame and the movable detection frame are arranged in the inside of the rack, a plurality of detection holes are arranged on the opposite sides of the rotating detection frame and the movable detection frame, a plurality of contact sensors are arranged in the inside of each detection hole, and an electromagnet is further arranged on the bottom of the inner wall of the detection hole on the rotating detection frame, when the surface quality of the product is detected, the detection hole at the bottom of the movable detection frame is brought into contact and closure with the detection hole on the rotating detection frame, the surface quality of the product is detected by the plurality of contact sensors arranged in the inside of the detection hole, when one fifth of the contact sensors in the inside of the detection hole does not generate a contact signal, it is determined that the surface quality of the product is unqualified, at this time, the product is adsorbed in the inside of the detection hole by the electromagnet in the inside of the detection hole, the movable detection frame is controlled to be lifted, the rotating detection frame is controlled to be flipped to the left, the qualified product is sent out by being slid along the rotating detection frame and being entered into the qualified product conveying frame, the electromagnet in the inside of the detection hole is controlled to be powered off, and the unqualified product is sent out by the unqualified product conveying frame, the surface quality of the product is further detected by the contact sensor, the contact area of the product with the contact sensor is reduced in the inside of the detection hole when the product has a surface quality defect, so that the surface quality of the product can be automatically determined to be unqualified, manual screening is not needed, the screening efficiency of the product is improved, and the screening omission of the unqualified product is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic view of a screening device structure of a cement mill steel ball steel forging according to an embodiment of the application;

[0027] Figure 2 It is a schematic view of the internal structure of the first screening frame and the second screening frame according to an embodiment of the application;

[0028] Figure 3 It is a schematic view of the second screening frame and the pushing plate structure according to an embodiment of the application;

[0029] Figure 4 It is a schematic view of the metering frame and the metering frame structure according to an embodiment of the application;

[0030] Figure 5It is a schematic view of the movable plate and the scraping plate structure of the embodiment of the present application.

[0031] Figure 6 It is a schematic view of the rack and the rotating detection frame structure of the embodiment of the present application.

[0032] Figure 7 It is a schematic view of the feeding assembly structure of the embodiment of the present application.

[0033] In the figure, 1, rack; 2, discharge conveying frame; 3, substandard product conveying frame; 4, qualified product conveying frame; 5, first screening frame; 6, second screening frame; 7, first material turning frame; 8, second material turning frame; 9, material discharging frame; 10, first screen; 11, second screen; 12, material pushing plate; 13, rotating detection frame; 14, movable detection frame; 15, screening cavity; 16, metering frame; 17, metering frame; 18, discharge port; 19, servo cylinder; 20, detection hole; 21, electric sliding table; 22, movable plate; 23, scraping plate; 24, feeding frame; 25, feeding pipeline; 26, material lifting auger; 27, feeding frame; 28, feeding motor. DETAILED DESCRIPTION

[0034] The technical solutions in 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 a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0035] Embodiment 1

[0036] Please refer to Figures 1 to 7 As shown in the figure, a cement mill steel ball steel forging screening device comprises

[0037] The rack 1 is internally provided with the discharge conveying frame 2, the substandard product conveying frame 3 and the qualified product conveying frame 4 respectively;

[0038] The screening mechanism is arranged at the left side inside the rack 1, and different size specifications of products are screened by the screening mechanism;

[0039] The feeding assembly is arranged at the left side of the rack 1, and the products are automatically fed into the inside of the screening mechanism by the feeding assembly;

[0040] The screening assembly is arranged at the right side inside the rack 1, and the quality of the screened products is detected by the screening assembly, and the products with unqualified quality are removed;

[0041] The screening mechanism comprises a plurality of first screening racks 5, one side of each of the plurality of first screening racks 5 is fixedly connected with one side of the inner wall of the rack 1, and the bottom of each of the plurality of first screening racks 5 is fixedly provided with a second screening rack 6, the discharge conveying rack 2 is located below the plurality of second screening racks 6, the inside of each of the plurality of first screening racks 5 is rotatably provided with a first material turning rack 7, and the inside of each of the plurality of second screening racks 6 is rotatably provided with a second material turning rack 8, one end of each of the plurality of first material turning racks 7 and the plurality of second material turning racks 8 is fixedly provided with a belt pulley, the plurality of belt pulleys are drivingly connected through a belt on the surfaces thereof, a discharge rack 9 is further fixedly arranged between the bottom of the first screening rack 5 and the top of the second screening rack 6, and the top of the discharge rack 9 is in communication with the inside of the first material turning rack 7 through an automatic control valve, wherein the bottom of the inner wall of the discharge rack 9 is provided as an inclined surface, the left side of the inclined surface is higher than the right side, the right side of the discharge rack 9 is also provided with a discharge conveying rack 2, a servo motor is further fixedly arranged on the left side of the discharge rack 9, and the output shaft of the servo motor is drivingly connected with one side of the belt, the servo motor drives the belt to drive, and the plurality of belt pulleys control the first material turning rack 7 and the second material turning rack 8 to reciprocatingly swing in the first screening rack 5 and the second screening rack 6 respectively, the first material turning rack 7 and the second material turning rack 8 are used to turn the products in the first screening rack 5 and the second screening rack 6 respectively, so as to realize rapid screening of the products;

[0042] The bottom of the first screening rack 5 is fixedly provided with a first screen 10 on both sides, and the bottom of the second screening rack 6 is fixedly provided with a second screen 11, wherein the diameter of the screen hole of the first screen 10 is greater than the diameter of the screened product, and the diameter of the screen hole of the second screen 11 is smaller than the diameter of the screened product, after the product is sent into the inside of the first screening rack 5, the first screen 10 is used to screen out the product with a size that is too large, so that the product with a size that is too large is left above the first screen 10, and then the second screen 11 is used to screen out the product with a size that is too small, so that the product meeting the size requirement is left above the second screen 11, by opening the automatic control valve on the top of the discharge rack 9, the large-size product in the first screening rack 5 is sent into the discharge conveying rack 2 through the discharge rack 9, the discharge conveying rack 2 on the right side of the discharge rack 9 and below the second screening rack 6 is used to send out the product not meeting the size requirement, so as to realize automatic screening of the product, the whole screening process does not need manual operation, and the screening efficiency of the product is high.

[0043] Further, the left side of the inner wall of the second screening frame 6 is also movably provided with a pushing plate 12, and the top of the pushing plate 12 is slidably connected with the top of the inner wall of the second screening frame 6 through an electric sliding block, wherein the inside of the pushing plate 12 is slidably connected with the surface of the second material turning frame 8, and the right side of the second screening frame 6 is provided with an automatic control valve. After the small-size products are screened by the second screening frame 6, the pushing plate 12 is controlled to slide to the right side in the second screening frame 6 through the electric sliding block, the products on the second screen 11 are sent into the inside of the screening assembly through the automatic control valve by the pushing plate 12 for automatic detection of product quality, the next batch of products is continuously screened by the first screening frame 5 and the second screening frame 6, and the size screening and quality detection are separated into two parts, so that the size screening and quality detection of the products do not interfere with each other, the continuous screening of the products is realized, and the screening efficiency of the products is significantly improved.

[0044] Embodiment 2:

[0045] In order to further reduce the labor output in the screening process of the steel ball steel forging, the screening assembly comprises a rotating detection frame 13 and a movable detection frame 14, the right side in the rack 1 is provided with a screening cavity 15, and the unqualified product conveying frame 3 and the qualified product conveying frame 4 are located on the two sides below the screening cavity 15, the left side of the inner wall of the screening cavity 15 is fixedly provided with a metering frame 16, the inside of the metering frame 16 is communicated with the inside of a plurality of second screening frames 6, and the inside of the metering frame 16 is rotatably provided with a quantitative frame 17, the lower right side of the metering frame 16 is provided with a discharge port 18, the products meeting the size requirements are pushed into the inside of the metering frame 16 after the small-size products are screened in the inside of the second screening frame 6, the quantitative frame 17 is controlled to rotate, a certain amount of products are sent out through the discharge port 18 each time, and the accuracy of the product quality detection result is ensured.

[0046] The inside of the screening cavity 15 is rotatably provided with the rotating detection frame 13, and the upper side of the rotating detection frame 13 is also provided with the movable detection frame 14, the top of the inner wall of the screening cavity 15 is fixedly provided with four servo cylinders 19, the driving ends of the four servo cylinders 19 are all fixedly connected with the top of the movable detection frame 14, and the opposite sides of the rotating detection frame 13 and the movable detection frame 14 are all provided with a plurality of detection holes 20, wherein the inside of each detection hole 20 is provided with a plurality of contact sensors, and the bottom of the inner wall of the detection hole 20 on the rotating detection frame 13 is also provided with an electromagnet.

[0047] Both sides of the inner wall of the screening cavity 15 are provided with electric sliding tables 21, and a movable plate 22 is slidably arranged between the two electric sliding tables 21, the inside of the movable plate 22 is movably provided with a scraping plate 23 through a micro cylinder, and the bottom of the scraping plate 23 is provided with a plurality of scraping ports.

[0048] It should be noted that, when the quality of the product is detected, the metering frame 16 is used to send a certain amount of product to the rotating detection frame 13, then the movable plate 22 is controlled to move above the rotating detection frame 13, the scraping plate 23 is pushed out by the micro electric cylinder inside the movable plate 22, the product on the rotating detection frame 13 is pushed into the detection holes 20 by the scraping plate 23, then the detection holes 20 at the bottom of the movable detection frame 14 are closed by controlling the movable detection frame 14 to move downward, the surface quality of the product is detected by the contact sensors arranged in the detection holes 20, when one fifth of the contact sensors in the detection holes 20 do not generate a contact signal, it is determined that the surface quality of the product is unqualified, at this time the product is adsorbed in the detection holes 20 by the electromagnet inside the detection holes 20, the movable detection frame 14 is controlled to lift, the rotating detection frame 13 is controlled to flip to the left, the qualified product is sent out along the rotating detection frame 13 and into the qualified product conveying frame 4, the rotating detection frame 13 is controlled to flip to the right, the electromagnet in the detection holes 20 is powered off, and the unqualified product is sent out by the unqualified product conveying frame 3. By using the contact sensor, the surface quality of the product is further detected, the contact area of the product with the contact sensor is reduced in the detection holes 20 when the surface quality of the product is defective, so that the surface quality of the product can be automatically determined to be unqualified without manual screening, the screening efficiency of the product is improved, and the screening omission of unqualified products is reduced.

[0049] Embodiment 3:

[0050] In order to further reduce the labor intensity, the feeding assembly includes a feeding frame 24 and a feeding pipeline 25, the feeding frame 24 is fixedly arranged below the left side of the rack 1, and the feeding frame 24 is internally provided with a plurality of feeding pipelines 25, the feeding pipelines 25 are internally and rotatably provided with lifting augers 26, and the upper sides of one sides of the feeding pipelines 25 are provided with feeding racks 27, one sides of the feeding racks 27 extend into the interiors of the first screening frames 5, respectively, and the interiors of the feeding racks 27 are provided with automatic control valves, a feeding motor 28 is fixedly arranged at the left side of the top of the rack 1, and the output shaft of the feeding motor 28 and the top ends of the lifting augers 26 are provided with belt pulleys, and the surfaces of the belt pulleys are connected by belts; when the product is fed, the product to be screened is conveyed into the interior of the feeding frame 24, the lifting augers 26 are driven to rotate by the output shaft of the feeding motor 28 under the cooperation of the belt pulleys and the belts, the product in the feeding frame 24 is sent into the interiors of the first screening frames 5 through the feeding pipelines 25 and the feeding racks 27 for screening, manual feeding is not required, and the feeding, screening, quality detection and discharging of the product are automatically operated.

[0051] Embodiment 4:

[0052] A screening method for a screening device for steel forging of cement mill steel balls is disclosed in this embodiment, which specifically comprises the following steps:

[0053] Step 1: by conveying the product to be screened into the inside of the feeding frame 24, the output shaft of the feeding motor 28 drives a plurality of material lifting augers 26 to rotate through the cooperation of the belt pulley and the belt, and the product in the inside of the feeding frame 24 is sent into the inside of a plurality of first screening frames 5 through the feeding pipe 25 and the feeding frame 27;

[0054] Step 2: by driving the belt with the output shaft of the servo motor, cooperate with a plurality of belt pulleys to control the first material turning frame 7 and the second material turning frame 8 to reciprocate in the inside of the first screening frame 5 and the second screening frame 6 respectively, and use the first material turning frame 7 and the second material turning frame 8 to turn the product in the inside of the first screening frame 5 and the second screening frame 6 respectively;

[0055] Step 3: use the first screen 10 to screen out products with a size that is too large, leaving the products with a size that is too large above the first screen 10, and then use the second screen 11 to screen out products with a size that is too small, leaving the products that meet the size requirements above the second screen 11, and by opening the automatic control valve at the top of the discharging frame 9, the large-size products in the inside of the first screening frame 5 are sent into the discharging conveying frame 2 through the discharging frame 9, and the products that do not meet the size requirements are sent out by the discharging conveying frame 2 on the right side of the discharging frame 9 and below the second screening frame 6, realizing automatic screening and processing of the products;

[0056] Step 4: after screening and processing the small-size products with the second screening frame 6, the push plate 12 is controlled to slide to the right side in the inside of the second screening frame 6 by the electric sliding block, and the products on the second screen 11 are sent into the inside of the metering frame 16 through the automatic control valve by the push plate 12, and the quantitative frame 17 is controlled to rotate, and a certain amount of products are sent out through the discharge port 18 each time;

[0057] Step 5: the metering frame 16 sends a quantitative product to the rotating detection frame 13, then the movable plate 22 is controlled to move above the rotating detection frame 13, the scraping plate 23 is pushed out by the micro electric cylinder inside the movable plate 22, the product on the rotating detection frame 13 is pushed into the detection holes 20 by the scraping plate 23, then the detection frame 14 is controlled to move down by the driving end of the servo cylinder 19, the detection holes 20 at the bottom of the detection frame 14 are in contact and closed with the detection holes 20 on the rotating detection frame 13, the surface quality of the product is detected by the contact sensors arranged in the detection holes 20, when one fifth of the contact sensors in the detection holes 20 do not generate a contact signal, it is determined that the surface quality of the product is unqualified, at this time the product is adsorbed in the detection holes 20 by the electromagnet inside the detection holes 20, the detection frame 14 is controlled to lift, the rotating detection frame 13 is controlled to flip to the left side, the qualified product is sent out along the rotating detection frame 13 and into the qualified product conveying frame 4, the rotating detection frame 13 is controlled to flip to the right side, the electromagnet in the detection holes 20 is powered off, the unqualified product conveying frame 3 sends out the unqualified product, and the screening process of the steel ball steel forging is completed.

[0058] Meanwhile, the contents not described in detail in the specification are all prior art known by those skilled in the art.

[0059] It should be noted that, in the present text, relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0060] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screening device for steel forging of cement mill steel balls, characterized in that, Include: Frame (1), the inner part of the frame (1) is respectively provided with discharge conveying frame (2), unqualified product conveying frame (3) and qualified product conveying frame (4); Screening mechanism, the left side of the frame (1) is arranged inside, different size products are screened by the screening mechanism; Feeding assembly, the left side of the frame (1) is arranged, the product is automatically fed into the inside of the screening mechanism by the feeding assembly; The screening assembly is arranged on the right side of the frame (1) inside, the quality of the screened product is detected by the screening assembly, and the product with unqualified quality is removed;The screening assembly comprises a rotating detection frame (13) and a movable detection frame (14), a screening cavity (15) is arranged on the right side of the frame (1) inside, and the unqualified product conveying frame (3) and the qualified product conveying frame (4) are respectively arranged on the two sides below the screening cavity (15) inside;The rotating detection frame (13) is rotatably arranged in the screening cavity (15), and the movable detection frame (14) is further arranged above the rotating detection frame (13), four servo cylinders (19) are fixedly arranged on the top of the inner wall of the screening cavity (15), and the driving end of each servo cylinder (19) is fixedly connected with the top of the movable detection frame (14), a plurality of detection holes (20) are arranged on the opposite side of the rotating detection frame (13) and the movable detection frame (14), a plurality of contact sensors are arranged in the detection holes (20), and an electromagnet is further arranged on the bottom of the inner wall of the detection hole (20) on the rotating detection frame (13); The screening mechanism comprises a plurality of first screening frames (5), one side of each of the plurality of first screening frames (5) is fixedly connected with one side of the inner wall of the frame (1), and the bottom of each of the plurality of first screening frames (5) is fixedly provided with a second screening frame (6), the discharge conveying frame (2) is below the plurality of second screening frames (6), a first material turning frame (7) is rotatably arranged in each of the plurality of first screening frames (5), and a second material turning frame (8) is rotatably arranged in each of the plurality of second screening frames (6), one end of each of the plurality of first material turning frames (7) and the plurality of second material turning frames (8) is fixedly provided with a belt pulley, and the surfaces of the plurality of belt pulleys are connected by a belt drive, and a material discharging frame (9) is further fixedly arranged between the bottom of the first screening frame (5) and the top of the second screening frame (6), and the top of the material discharging frame (9) is in communication with the inside of the first material turning frame (7) through an automatic control valve; The first screening frame (5) is fixedly arranged on both sides of the bottom of the first screening frame (5), the second screening frame (6) is fixedly arranged on the bottom of the second screening frame (6), and the left side of the inner wall of the second screening frame (6) is movably provided with a pushing plate (12), and the top of the pushing plate (12) is slidably connected with the top of the inner wall of the second screening frame (6) through an electric sliding block.

2. A screening device for steel forged balls of cement mills as claimed in claim 1, wherein: The diameter of the screen hole of the first screen (10) is greater than the diameter of the screened product, and the diameter of the screen hole of the second screen (11) is less than the diameter of the screened product.

3. A screening device for steel forged balls of cement grinding mills as claimed in claim 1, wherein: The inside of the pushing plate (12) is in sliding connection with the surface of the second turnover frame (8), and the right side of the second screening frame (6) is provided with an automatic control valve.

4. A screening device for steel forged balls of cement grinding mills as claimed in claim 1, wherein: The left side of the inner wall of the screening cavity (15) is fixedly provided with a metering frame (16), the inside of the metering frame (16) is in communication with the inside of a plurality of second screening frames (6), and the inside of the metering frame (16) is rotatably provided with a metering frame (17), and the lower right side of the metering frame (16) is provided with a discharge port (18).

5. A screening device for steel forged balls of cement grinding mills as claimed in claim 1, wherein: Both sides of the inner wall of the screening cavity (15) are provided with electric sliding tables (21), and the inside of the movable plate (22) is rotatably provided with a scraping plate (23) through a micro electric cylinder, and the bottom of the scraping plate (23) is provided with a plurality of scraping ports.

6. A screening device for steel forged balls of cement grinding mills as claimed in claim 1, wherein: The feeding assembly comprises a feeding frame (24) and a feeding pipeline (25), and the lower left side of the rack (1) is fixedly provided with a feeding frame (24), and the inside of the feeding frame (24) is provided with a plurality of feeding pipelines (25), the inside of each of the plurality of feeding pipelines (25) is rotatably provided with a lifting auger (26), and the upper side of one side of each of the plurality of feeding pipelines (25) is provided with a feeding frame (27), one side of each of the plurality of feeding frames (27) extends into the inside of each of the plurality of first screening frames (5), and the inside of each of the plurality of feeding frames (27) is provided with an automatic control valve.

7. A screening device for steel forged balls of cement mills according to claim 6, characterized in that: The left side of the top of the rack (1) is fixedly provided with a feeding motor (28), and the output shaft of the feeding motor (28) and the top end of each of the plurality of lifting augers (26) are provided with belt pulleys, wherein the surfaces of the plurality of belt pulleys are all connected through belt transmission.

Images