A process for improving the uniformity of transverse roughness of stainless steel strip surface

Abstract

The present invention discloses a process for improving the uniformity of the transverse roughness of a stainless steel strip surface. The specific annealing and pickling process steps are as follows: 1) Uncoiling and Welding: Two adjacent sets of steel plates are welded and fixed by a welding mechanism to facilitate pickling of the entire steel plate; 2) Annealing: The stainless steel strip is annealed by an annealing mechanism and then cooled after annealing; 3) Phosphorus-Removing Shot Blasting: The annealed stainless steel strip is shot blasted by a shot blasting device; 4) Pickling: The stainless steel strip is pickled by a pickling mechanism to remove oxide scale; 5) Cleaning and Drying: The pickled stainless steel strip is cleaned by a cleaning mechanism and then dried by a drying system before being coiled. The present invention can effectively uniformize the transverse roughness of the stainless steel strip surface while also cleaning the shot material after shot blasting.

Description

Technical Field

[0001] The invention belongs to the technical field of stainless steel strip surface treatment, and in particular relates to a process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip. Background Art

[0002] In the production process of stainless steel strip, the surface quality of stainless steel strip is one of the key factors affecting the improvement of product performance. However, in the pre-process, due to the high-frequency vibration of the process system, the friction between the processing tools and the processed surface, or accidental scratches and collisions, the surface roughness of the stainless steel strip will be uneven, which will cause the surface of the stainless steel strip to be uneven after pickling. Therefore, it is necessary to adjust the horizontal roughness of the stainless steel strip surface to be uniform before pickling to prevent surface quality problems during pickling.

[0003] According to the search, the patent number is 202121195145.3, which is a double-shot crawler shot blasting strengthening machine. The machine tool includes a recovery lower bin, a set of bidirectional vibrating conveyors, a set of elevators for coarse and fine projectiles on both sides, a set of coarse and fine projectile separators, a complete set of shot supply valves, a shot blasting machine and a shot blasting chamber. The bidirectional vibrating conveyor is installed at the bottom of the machine tool. The two ends of the bidirectional vibrating conveyor extend to the coarse and fine projectile elevators on both sides. The upper part of the coarse and fine particle elevator is connected to the coarse and fine projectile separator, and the bottom of the coarse and fine projectile separator is connected to the coarse and fine storage sand box. The shot blasting machine is installed on the top of the shot blasting chamber, and a rotating crawler is installed at the bottom of the shot blasting chamber. The device performs shot blasting strengthening on the workpiece by switching coarse and fine projectiles, and the shots fall into the bottom of the device after blasting. The shot blasting machine is equipped with a shot blasting machine, which is used to blast the steel shot into the shot blasting machine, and the shot blasting machine is used to blast the steel shot into the shot blasting machine. The shot blasting machine is equipped with a ... Summary of the Invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip. The present invention can well uniformize the transverse roughness of the surface of the stainless steel strip and clean the shot material after shot blasting.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip, wherein the specific annealing and pickling process steps are as follows:

[0007] 1) Uncoiling and welding: The two adjacent sets of steel plates are welded and fixed by the welding mechanism to facilitate the pickling of the entire steel plate;

[0008] 2) Annealing: The stainless steel strip is annealed at a temperature of 860°C-1100°C by an annealing mechanism, and then cooled to 60°C-100°C after annealing;

[0009] 3) Phosphorus-breaking shot blasting: The annealed stainless steel strip is shot blasted at a speed of 10M / min-25M / min using a shot blasting device with a blasting head current of 100A;

[0010] In step 3), the shot blasting device includes a box, a shot blasting device I, a shot blasting device II, a cleaning device, and a grinding device; the cleaning device is provided with two groups, which are respectively connected to the inlet and outlet of the box; the grinding device is provided in the middle of the box; the shot blasting device I is provided between the inlet of the box and the grinding device; the shot blasting device II is provided between the outlet of the box and the grinding device; the diameter of the shot used in the shot blasting device I is larger than the diameter of the shot used in the shot blasting device II; the box includes a mounting box, a baffle plate I, and a guide plate , connecting plate Ⅰ, sliding groove, baffle plate, receiving groove, rack, motor Ⅰ, partition, connecting groove Ⅰ, connecting seat Ⅱ, motor Ⅱ, gear Ⅰ; sliding grooves are provided at the inlet and outlet of the installation box, connecting grooves are provided on both sides of the installation box, and several sliding grooves are provided on the top of the installation box. The partition is fixedly connected to the middle of the installation box, and a mounting groove is provided above the partition, and connecting boxes and sliders are provided on both sides; the connecting plate Ⅰ is provided with a pair of fixed connections above the inlet and outlet of the installation box respectively; the baffle plate Ⅰ is connected to the installation box on one side of the partition The box and the partition are fixedly connected, and the baffle plate is fixedly connected to the installation box and the partition on the other side of the partition; the guide plates are provided with a pair, and the guide plates are fixedly connected to the installation box above the partition; sliders are provided on both sides of the connecting groove I, and connecting seats II are provided at both ends and in the middle of the connecting groove I, the side edges at the inlet of the connecting groove I are shorter than the sides at the outlet of the connecting groove I, and the top of the connecting groove I is slidably connected to a pair of guide plates; a through groove is provided at the bottom of the material receiving trough, and the bottom of the material receiving trough is fixedly connected to the top of the partition; the rack is fixedly connected to the top of the connecting groove on both sides of the installation box on the inner side of the material receiving trough; the motor I is fixedly connected to one side of the installation box through the motor seat, and a pair of sprockets is provided at the output end of the motor I; the motor II is fixedly connected above the connecting groove I through the motor seat, and a gear is provided at the output end of the motor II; the gear I is provided with a pair, which are rotatably connected above the connecting groove I respectively through the connecting seat, a sprocket is provided on one side of the gear I, and a pair of gears I are meshed with the gears on the output end of the motor II on both sides of the motor II, and the sprocket on one side of the gear I is connected to the sprocket on the threaded rod I through a chain.

[0011] The shot blasting device I includes a storage box I, a spiral loader, a storage box II, an upper shot blasting machine, a threaded rod I, a telescopic sleeve I, a lower shot blasting machine, a threaded rod II, a connecting pipe I, a hydraulic cylinder I, a pushing block, a telescopic sleeve II, a guide trough I, a distribution trough, a connecting plate II, a storage box, a filter screen I, a fan, a screening drum I, a screening drum, a collecting drum, a spiral plate, a baffle, an air intake cylinder, a connecting trough II, a guide trough II, and a motor III; the storage box I is fixedly connected to the top of the installation box through a support frame, a sliding groove is provided at the bottom of the storage box I, and a pair of connecting holes are provided on each side of the storage box I; the two ends and the middle of the threaded rod I are rotatably connected to the connecting seat II on the connecting groove I, and the threaded rod I is fixedly connected to the sprocket in the connecting seat II in the middle of the connecting groove I The cam is connected to the drive shaft by the spring, and the two ends of the cam are connected in opposite directions; the upper shot blasting machine is provided with a pair of sliding connections with the slider on the connecting groove I on both sides of the connecting seat II in the middle of the connecting groove I, and one side of the base of the upper shot blasting machine is threadedly connected to the threaded rod I; the telescopic sleeve I is provided with a pair, the bottom of a pair of telescopic sleeves I is respectively connected to a pair of upper shot blasting machines, and the top is fixedly connected to the sliding plate in the sliding groove and the sliding groove at the bottom of the storage box I; one end of the threaded rod II is rotatably connected to the mounting box, and the middle is rotatably connected to the connecting box on the partition, and the other end of the threaded rod II is fixedly connected to the sprocket through the through hole on one side of the mounting box, the threads at both ends of the threaded rod II are in opposite directions, and the sprocket on the threaded rod II is connected to the electric The cam is connected to one of the sprockets on the output end of the machine I; the lower shot blasting machine is provided with a pair, which are respectively slidably connected to the slider on the partition through the two sides of the connecting box on the base on the partition, and one side of the base of the lower shot blasting machine is threadedly connected to the threaded rod II; the telescopic sleeve II is provided with a pair, one end of the telescopic sleeve II is connected to the lower shot blasting machine, and the other end passes through the mounting box and is fixedly connected to the outside of the mounting box; the spiral feeder is provided with a pair, and the feeding ports of a pair of spiral feeders are respectively fixedly connected to the storage box II provided on both sides of the mounting box, and the discharge ports are respectively connected to the connecting holes on both sides of the storage box I; the connecting pipe I is provided with a pair, one end of a pair of connecting pipes I is respectively fixedly connected to the other connecting hole on both sides of the storage box I, and the other end is respectively connected to the outside of the mounting box They are fixedly connected to a pair of telescopic sleeves II; a pair of pusher blocks are provided, one end of the pair of pusher blocks is respectively inserted into a pair of telescopic sleeves II, and the extended end of the hydraulic cylinder I fixedly connected to one side of the telescopic sleeve II through a fixed seat is fixedly connected to the other end of the pusher block; the top of the guide trough I is fixedly connected to the baffle plate I, and the bottom is fixedly connected to the Y-shaped material distribution trough, and each forked end of the distribution trough is provided with a connecting plate II; a pair of motors III are provided, respectively fixedly connected to the bottom of the forked end of the distribution trough, and a gear is provided at the output end of the motor III; a pair of screening cylinders I are respectively connected to the connecting plate II on the forked end of the distribution trough, and the screening cylinder I includes a screening cylinder, a collecting cylinder, a spiral plate, a baffle, an air inlet cylinder, a connecting trough II, and a guide trough II;The top of the sieve drum is provided with a connecting groove and gear teeth that mesh with the gears at the output end of the motor III. The sieve drum is rotatably connected to the connecting plate II. A spiral plate is provided inside the sieve drum, and a number of evenly distributed irregular baffles are provided on the inner wall of the sieve drum. The bottom end of the collecting drum is provided with a connecting groove, and the collecting drum is fixedly connected to the storage box through the material guide groove II. One side of the connecting groove II is fixedly connected to the bottom end of the collecting drum, and the other side passes through the installation box and is fixedly connected to the storage box II. One end of the air intake drum is fixedly connected to the collecting drum above the connecting groove II. The bottom of the sieve drum is rotatably connected to the connecting groove at the bottom end of the collecting drum, and the top of the collecting drum is rotatably connected to the connecting groove at the top of the sieve drum. The air intake drum is rotatably connected to the middle of the spiral plate. A pair of filter screens I are provided, symmetrically connected inside the storage box, and the air inlet of the fan is fixedly connected to the storage box between the pair of filter screens I through a pipe, and the air outlet is connected to the outside of the installation box through a pipe.

[0012] The shot blasting device II includes a screening drum II, a filter drum, a cleaning roller, a rotating ring I, a material baffle plate II, a connecting pipe II, a gear ring, an air intake pipe, a connecting seat I, a material guide box, a hydraulic cylinder II, a material guide trough III, a motor IV, a connecting plate III, and a material storage box III; the structure of the shot blasting device II is different from that of the shot blasting device I in that the material guide trough III is provided with a pair, one end of the material guide trough III is fixedly connected to the material baffle plate, and the other end is provided with a connecting plate III; the motor IV is fixedly connected to the bottom of the material guide trough III through the motor seat, and a gear is provided at the output end of the motor IV; the screening drum II is provided with a pair, the screening drum II includes a filter drum, a cleaning roller, a rotating ring I, a material baffle plate II, a connecting pipe II, a gear ring, an air intake pipe, and a connecting seat I; the top of the filter drum is provided with two sets of gear teeth, the connecting plate III is rotatably connected between the two sets of gear teeth at the top of the filter drum, the bottom end of the filter drum is rotatably connected to one side of the material guide box, and one set of gear teeth at the top of the filter drum is meshed with the gear on the output end of the motor IV; the gear ring and the connecting plate III The transmission gear of the filter is connected with the transmission gear of the filter housing, and the transmission gear of the filter housing is connected with the transmission gear of the filter housing, and the transmission gear of the filter housing is connected with the transmission gear of the filter housing.

[0013] The cleaning device includes a hydraulic cylinder III, a cleaning plate, a brush, a connecting shaft I, a lifting plate, a connecting plate IV, a fixed seat, a hydraulic cylinder IV, a connecting rod I, a support seat, a connecting rod II, a rotating seat I, a rotating seat II, a spring, a push block, a connecting shaft II, a connecting rod III, and a limit seat; the top of the lifting plate is slidably connected to the sliding groove at the inlet or outlet of the installation box, a connecting plate IV is provided on one side of the lifting plate, a pair of support seats are provided on the other side, a through groove is provided under each pair of support seats, and push blocks are provided on the baffles on both sides of the support seats; one end of the hydraulic cylinder III is fixedly connected to the connecting plate I, and the protruding end is fixedly connected to the connecting plate IV; one end of the hydraulic cylinder IV is fixedly connected to the connecting plate I, and the output end is fixedly connected to the connecting plate IV; a connecting ring is provided above the rotating seat I, and the bottom of the rotating seat I is fixedly connected to one end of the connecting rod II through the through hole on the support seat, and the other end of the connecting rod II passes through the through groove on the lifting plate and is connected to the connecting rod I One end is rotatably connected; the hydraulic cylinder IV is fixedly connected to the lifting plate through a fixed seat under the connecting plate IV, and a connecting seat is provided at the output end of the hydraulic cylinder IV, and the hydraulic cylinder IV is rotatably connected to the other end of the connecting rod I through the connecting seat on the output end; the plate brush is fixedly connected to one side of the cleaning plate by a bolt; the top of the cleaning plate is fixedly connected to the connecting shaft I, and one end of the connecting shaft I passes through the connecting ring above the rotating seat I and is fixedly connected to the bottom of the rotating seat II; a connecting tube is provided above the rotating seat II, and the connecting shaft II is slidably connected to the connecting tube above the rotating seat II through the limiting plate at the bottom, and a spring is provided along the connecting shaft II between the connecting shaft II passing through the limiting plate at the bottom and the connecting tube above the rotating seat II; the limit seat is fixedly connected above the connecting ring on the rotating seat I, and limit shafts are provided on both sides of the limit seat, and one end of the connecting rod III is rotatably connected to the middle of the limit seat and the other end is rotatably connected to the top of the connecting shaft II through the connecting shaft.

[0014] The grinding device includes a hydraulic cylinder V, a connecting rod I, a connecting rod II, a connecting rod III, an induced draft fan, a support frame, a collecting box, a screening box, a sieve plate I, a sieve plate II, a filter screen II, a roller brush, a gear III, a rotating ring II, a conveyor belt, a support roller I, a motor V, a sliding seat, a connecting rod IV, a connecting rod V, a hydraulic cylinder VI, a sliding rod, a connecting plate V, a brush belt, a motor VI, a rotating shaft, a support roller II, and a grinding block; the hydraulic cylinder V is provided with a pair, and the hydraulic cylinder V is fixedly connected to the mounting box between a pair of guide plates, and the protruding end of the hydraulic cylinder V is fixedly connected to the connecting groove I; the connecting rod I, the connecting rod II, and the connecting rod III are each provided with two groups, which are respectively connected to the two ends of the connecting groove I; one end of the connecting rod I is fixedly connected to the inside of the connecting groove I, and the connecting rod Rod III is rotatably connected to the mounting box, and one end of connecting rod III is rotatably connected to the top of connecting rod II, and the other end is rotatably connected to the middle of connecting rod I; the connecting plate V is provided with a pair, wherein both ends of one connecting plate V are rotatably connected to the other end of connecting rod I, and both ends of the other connecting plate V are rotatably connected to the bottom end of connecting rod II, and the grinding block is fixedly connected to the middle of connecting plate V; the motor VI is fixedly connected to one end of connecting plate V through a motor seat, and a sprocket is provided at the output end of motor VI; the brush belt is rotatably connected to both sides of connecting plate V through support roller II, and support roller II adjacent to motor VI is connected to each other through a rotating shaft rotatably connected to connecting plate V, a sprocket is provided on one side of the rotating shaft, and the sprocket on the rotating shaft is connected to the sprocket at the output end of motor VI through a chain; The screening box is fixedly connected to one side of the installation box, and a collection box is provided on one side of the screening box, and a filter screen II is provided between the induced draft fan and the screening box; the support frame is fixedly connected to the screening box at the bottom of the induced draft fan; the sieve plate I is fixedly connected to the inside of the screening box, and a gap is left between one side of the sieve plate I and the screening box; one end of the sieve plate II is fixedly connected to the screening box above the induced draft fan, and the other end is fixedly connected to the screening box below the collection box; a baffle is provided between the sieve plates I and II; one end of the conveyor belt is rotatably connected to the mounting groove above the partition through a support roller I, and the other end passes through the installation box and is rotatably connected to the top of the screening box through another support roller I; the motor V is fixedly connected to the top of the screening box through a motor seat, and The motor V passes through the screening box and is fixedly connected to the support roller I which is rotatably connected to the top of the screening box; a pair of roller brushes are provided, and gears III which mesh with the rack are provided at both ends of the roller brush, and the connecting shafts at both ends of the roller brush pass through the connecting grooves on both sides of the mounting box and are rotatably connected to the rotating ring II; a pair of slide rods are provided, which are respectively fixedly connected to both sides of the mounting box, and the sliding seat is slidably connected to the slide rods; one end of the connecting rod IV is rotatably connected to one side of the sliding seat, and the other end is rotatably connected to the connecting shaft at one end of the roller brush; one end of the connecting rod V is rotatably connected to the other side of the sliding seat, and the other end of the connecting rod V is rotatably connected to the connecting shaft at one end of the other roller brush; a pair of hydraulic cylinders VI are provided, which are respectively fixedly connected to both sides of the mounting box, and the protruding end of the hydraulic cylinder VI is fixedly connected to the rotating ring II on a roller brush.

[0015] 4) Pickling: The stainless steel strip is pickled to remove the oxide scale through the pickling mechanism;

[0016] 5) Cleaning and drying: The pickled stainless steel strip is cleaned by the cleaning mechanism, and then dried by the drying system before being curled.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1) The receiving trough serves to guide impurities falling from the surface of the stainless steel strip into the installation groove above the partition; when motor II is turned on, the gear at the output end of motor II drives gear I to rotate, thereby causing the sprocket fixedly connected to one side of gear I to drive threaded rod I to rotate; when motor II is turned on, threaded rod I is driven to rotate, and the base of the upper shot blasting machine cooperates with threaded rod I to drive a pair of upper shot blasting machines to slide along the slider on the connecting groove I, thereby changing the distance between the pair of upper shot blasting machines to adapt to shot blasting of stainless steel strips of different widths; telescopic sleeve I cooperates with the sliding plate in the sliding groove and the sliding groove at the bottom of the material storage box I, so that the telescopic sleeve I can follow the upper shot blasting machine to slide along the slider on the connecting groove I, and at the same time, the extension and contraction of telescopic sleeve I facilitate the upper shot blasting machine to follow the movement of connecting groove I;

[0019] 2) Turn on the motor I and control the rotation of the threaded rod II, thereby controlling the base of the lower shot blasting machine and the threaded rod II to drive the pair of lower shot blasting machines to slide along the slider on the partition, thereby changing the distance between the pair of lower shot blasting machines, so that the pair of lower shot blasting machines can adapt to the shot blasting of stainless steel strips of different widths; the telescopic sleeve II can extend or contract with the movement of the lower shot blasting machine; the hydraulic cylinder I is extended and retracted to drive the pusher block to slide in the telescopic sleeve II, pushing the shot material entering the telescopic sleeve II along the connecting pipe I into the lower shot blasting machine;

[0020] 3) The irregular baffle in the screen drum can stir the shot material to prevent it from accumulating under the screen drum; the stainless steel strip is shot blasted in the shot blasting device I. After shot blasting, the shot material falls onto the baffle plate I and rolls into the guide trough I along the baffle plate I. The shot material is led into a pair of screen drums through the distribution trough. The motor III is started to drive the screen drum to rotate inside the collecting drum. The shot material in the screen drum rolls along the spiral plate, and the impurities adhering to the surface of the shot material are shaken off by vibration. At the same time, the fan is turned on, and the air entering the collecting drum and the storage box through the air intake cylinder sucks the impurities falling on the surface of the steel shot into the storage box. The air is filtered by the filter screen I and then extracted out of the device by the fan. The impurities falling on the shot material remain in the storage box. The steel shot rolls along the spiral plate to the connecting groove II and enters the storage box II through the connecting groove II. The spiral feeder transports the shot material in the storage box II to the storage box I for use by the upper and lower shot blasting machines.

[0021] 4) The cleaning roller prevents the pellets from accumulating under the filter drum and cleans the surface of the pellets. At the same time, the baffle on the cleaning roller lifts the pellets to increase the collision between the pellets and the filter drum, and the impurities on the surface of the pellets are shaken off by vibration. The air inlet pipe blows the impurities swept away by the cleaning roller out of the filter drum, and at the same time, it can sweep out and clean the impurities attached to the surface of the cleaning roller. The stainless steel strip is shot blasted in the shot blasting device II. The pellets that fall on the baffle plate enter the filter drum through the guide trough III. The motor IV is turned on to control the rotation of the filter drum. The gears and gear ring inside the filter drum engage with the gear on the top of the cleaning roller, so that the cleaning roller rotates around the air inlet pipe while rotating, cleaning the impurities attached to the surface of the pellets. After cleaning, the hydraulic cylinder II is retracted, allowing the pellets to enter the guide box and then enter the storage box III through the guide box, which is convenient for the spiral feeder to load.

[0022] 5) The hydraulic cylinder III is extended and retracted to make the connecting rod I drive the connecting rod II to control the rotation of the rotating seat I. At the same time, the rotating seat I drives the connecting shaft I to control the swing of the cleaning plate to clean the residual shot and impurities on the surface of the stainless steel strip; when the cleaning plate is close to the side wall of the installation box, the push block pushes the rotating seat II, and the rotating seat II drives the connecting rod III to tilt to the limit shaft on one side of the limit seat. At the same time, the rotating seat II drives the connecting shaft I to control the cleaning plate to flip upward to prevent the cleaning plate from sweeping the shot and impurities to a position that is difficult to clean. When the cleaning plate is close to the lifting plate, another push block pushes the rotating seat II, and the rotating seat II drives the connecting rod III to tilt to the limit shaft on the other side of the limit seat. At the same time, the rotating seat II drives the connecting shaft I to control the cleaning plate to flip downward, making it easier for the cleaning plate to sweep the shot and impurities off the surface of the stainless steel strip;

[0023] 6) Hydraulic cylinder V extends, controlling the guide plate of connecting groove I to slide downward until the longer side of connecting groove I is close to the stainless steel strip. At the same time, connecting groove I drives connecting rod I to push one end of connecting rod III downward, and the other end of connecting rod III pulls connecting rod II upward, thereby controlling connecting plate V connected to connecting rod I and connecting plate V connected to connecting rod II to be close to the surface of the stainless steel strip, so that the grinding block grinds the upper and lower surfaces of the stainless steel strip. At the same time, motor VI is turned on to control the rotating shaft to drive support roller II to rotate, so that the brush belt sweeps away the shot materials entering the grinding device and impurities on the surface of the stainless steel strip; the baffle between sieve plates I and sieve plates II reduces the entry of impurities into the collection box. When the shot materials fall, they collide with it to increase vibration, and at the same time guide the shot materials to sieve plate II to increase the time for removing impurities on the surface of the shot materials;

[0024] 7) The pills and impurities swept away by the brush belt fall onto the conveyor belt through the receiving trough. Driven by motor V, the conveyor belt sends the pills and impurities into the screening box. The impurities enter the bottom of the screening box under the action of the induced draft fan and filter screen II. The pills pass through the sieve plate I and fall onto the baffle between sieve plates I and II, and then fall onto sieve plate II. The pills enter the collection box along the sieve plate II, and finally the collection box transports the pills into the storage box II; the hydraulic cylinder VI telescopes to control the roller brush to move along the connecting groove on the mounting box, while the gear III engages with the rack, and the connecting rod IV and the connecting rod V cooperate to make a pair of roller brushes do the same movement, so that a pair of roller brushes rotate to brush the bottom surface of the docking trough to prevent impurities from accumulating. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Attachment Figure 1 This is a schematic diagram of a process structure for improving the uniformity of the transverse roughness of the surface of a stainless steel strip according to the present invention;

[0026] Attachment Figure 2 It is attached Figure 1 Schematic diagram of the structure of the shot blasting device I;

[0027] Attachment Figure 3 It is attached Figure 2 Schematic diagram of the enlarged structure of part A;

[0028] Attachment Figure 4 It is attached Figure 1 Schematic diagram of the structure of the middle box and shot blasting device I;

[0029] Attachment Figure 5 It is attached Figure 1 Schematic diagram of the structure of the middle guide trough I and the screening cylinder I;

[0030] Attachment Figure 6 It is attached Figure 5 Schematic diagram of the enlarged structure of part B;

[0031] Attachment Figure 7 It is attached Figure 1 Schematic diagram of the structure of the shot blasting device II;

[0032] Attachment Figure 8 It is attached Figure 1 Schematic diagram of the structure of the middle box and shot blasting device II;

[0033] Attachment Figure 9 It is attached Figure 1 Schematic diagram of the structure of the middle screening cylinder II, the material guide box, and the material guide trough III;

[0034] Attachment Figure 10 It is attached Figure 1 Schematic diagram of the structure of the cleaning device;

[0035] Attachment Figure 11 It is attached Figure 10Schematic diagram of the enlarged structure of part C;

[0036] Attachment Figure 12 It is attached Figure 1 Schematic diagram of the structure of the middle box and the grinding device;

[0037] Attachment Figure 13 It is attached Figure 12 Schematic diagram of the enlarged structure of part D;

[0038] Attachment Figure 14 It is attached Figure 1 Schematic diagram of the structure of the grinding device;

[0039] Attachment Figure 15 It is attached Figure 14 Schematic diagram of the enlarged structure of part E;

[0040] Attachment Figure 16 It is attached Figure 1 Schematic diagram of the structure of the middle connecting plate V;

[0041] Attachment Figure 17 It is attached Figure 1 Schematic diagram of the structure of the grinding device;

[0042] In the figure: 1. Box; 101. Mounting box; 1011. Baffle plate I; 1012. Guide plate; 1013. Connecting plate I; 1014. Slide groove; 1015. Baffle plate; 102. Receiving trough; 1021. Rack; 103. Motor I; 104. Partition plate; 105. Connecting groove I; 1051. Connecting seat II; 1052. Motor II; 1053. Gear I; 2. Shot blasting device I; 201. Storage box I; 202. Spiral feeder; 2021. Storage box II; 203. Upper shot blasting machine; 2031. Threaded rod I; 2032. Telescopic sleeve I; 204. Lower shot blasting machine; 2041. Threaded rod II; 2042. Connecting pipe I; 2043. Hydraulic cylinder I; 2044. Push Material block; 2045, telescopic sleeve II; 205, guide trough I; 2051, distribution trough; 2052, connecting plate II; 206, storage box; 2061, filter screen I; 2062, fan; 207, screening cylinder I; 2071, screening cylinder; 2072, collecting cylinder; 2073, spiral plate; 2074, baffle; 2075, air intake cylinder; 2076, connecting trough II; 2077, guide trough II; 208, motor III; 3, shot blasting device II; 301, screening cylinder II; 3011, filter cylinder; 3012, cleaning roller; 3013, rotating ring I; 3014, baffle II; 3015, connecting pipe II; 3016, gear ring; 3017, air intake pipe; 3018, connecting seat I; 302 , material guide box; 3021, hydraulic cylinder II; 303, material guide trough III; 3031, motor IV; 3032, connecting plate III; 304, material storage box III; 4, cleaning device; 401, hydraulic cylinder III; 402, cleaning plate; 4021, brush; 4022, connecting shaft I; 403, lifting plate; 4031, connecting plate IV; 4032, fixed seat; 404, hydraulic cylinder IV; 4041, connecting rod I; 405, supporting seat; 4051, connecting rod II; 4052, rotating seat I; 4053, rotating seat II; 4054, spring; 4055, push block; 4056, connecting shaft II; 4057, connecting rod III; 4058, limit seat; 5, grinding device; 501, hydraulic cylinder V; 5011, connecting Rod I; 5012, connecting rod II; 5013, connecting rod III; 502, induced draft fan; 503, support frame; 504, collecting box; 505, screening box; 5051, sieve plate I; 5052, sieve plate II; 5053, filter screen II; 506, roller brush; 5061, gear III; 5062, rotating ring II; 507, conveyor belt; 5071, support roller I; 5072, motor V; 508, sliding seat; 5081, connecting rod IV; 5082, connecting rod V; 5083, hydraulic cylinder VI; 5084, sliding rod; 509, connecting plate V; 5091, brush belt; 5092, motor VI; 5093, rotating shaft; 5094, support roller II; 5095, grinding block; 6, stainless steel strip. DETAILED DESCRIPTION

[0043] To facilitate understanding by those skilled in the art, Figure 1-17 , the technical solution of the present invention is further described in detail.

[0044] Example 1: A process for improving the uniformity of the transverse roughness of a stainless steel strip surface. The specific annealing and pickling process steps are as follows:

[0045] 1) Uncoiling and welding: The two adjacent sets of steel plates are welded and fixed by the welding mechanism to facilitate the pickling of the entire steel plate;

[0046] 2) Annealing: The stainless steel strip is annealed at a temperature of 1067°C by an annealing mechanism and then cooled to 64°C.

[0047] 3) Phosphorus-breaking shot blasting: The annealed stainless steel strip is shot blasted at a speed of 15 M / min using a shot blasting device with a blast head current of 100A;

[0048] In step 3), the shot blasting device includes a box 1, a shot blasting device I2, a shot blasting device II3, a cleaning device 4, and a grinding device 5; the cleaning device 4 has two groups, which are respectively connected to the inlet and outlet of the box 1; the grinding device 5 is located in the middle of the box 1; the shot blasting device I2 is located between the inlet of the box 1 and the grinding device 5; the shot blasting device II3 is located in the box 1 between the outlet and the grinding device 5; the diameter of the shot used in the shot blasting device Ⅰ2 is larger than the diameter of the shot used in the shot blasting device Ⅱ3; the box body 1 includes an installation box 101, a baffle plate Ⅰ1011, a guide plate 1012, a connecting plate Ⅰ1013, a sliding groove 1014, a baffle plate 1015, a receiving trough 102, a rack 1021, a motor Ⅰ103, a partition 104, a connecting groove Ⅰ105, a connecting seat Ⅱ1051, a motor Ⅱ1052, and a gear Ⅰ1053; sliding grooves are provided at the inlet and outlet of the installation box 101, connecting grooves are provided on both sides of the installation box 101, and a plurality of sliding grooves 10 are provided on the top of the installation box 101 14. The partition 104 is fixedly connected to the middle of the installation box 101, and a mounting groove is provided above the partition 104, and a connecting box and a slider are provided on both sides; the connecting plate I 1013 is provided with a pair of fixed connections respectively above the inlet and outlet of the installation box 101; the baffle plate I 1011 is fixedly connected to the installation box 101 and the partition 104 on one side of the partition 104, and the baffle plate 1015 is fixedly connected to the installation box 101 and the partition 104 on the other side of the partition 104; the guide plate 1012 is provided with a pair, and the guide plate 1012 is fixedly connected to the installation box 101 above the partition 104; sliders are provided on both sides of the connecting groove I 105, connecting Connecting seats II 1051 are provided at both ends and in the middle of the groove I 105. The side of the connecting groove I 105 at the inlet is shorter than the side of the connecting groove I 105 at the outlet, and the top of the connecting groove I 105 is slidably connected to a pair of guide plates 1012, which facilitates the hydraulic cylinder V501 to drive the connecting groove I 105 to rise and fall in the guide plates 1012; a through groove is provided at the bottom of the material receiving groove 102, and the bottom of the material receiving groove 102 is fixedly connected to the top of the partition 104, and the material receiving groove 102 plays the role of guiding impurities falling from the surface of the stainless steel strip 6 into the installation groove above the partition 104; the rack 1021 is fixedly connected to the inner side of the material receiving groove 102 on both sides of the installation box 101 above the connecting slot; the motor I 103 is fixedly connected to one side of the mounting box 101 through a motor base, and a pair of sprockets is provided at the output end of the motor I 103; the motor II 1052 is fixedly connected to the top of the connecting slot I 105 through a motor base, and a gear is provided at the output end of the motor II 1052; the gear I 1053 is provided with a pair, which are rotatably connected to the top of the connecting slot I 105 through the connecting base, and a sprocket is provided on one side of the gear I 1053, and a pair of gears I 1053 are meshed with the gears on the output end of the motor II 1052 on both sides of the motor II 1052, and the sprocket on one side of the gear I 1053 is connected to the sprocket on the threaded rod I 2031 through a chain;Turn on motor II 1052, and the gear at the output end of motor II 1052 drives gear I 1053 to rotate, thereby causing the sprocket fixedly connected to one side of gear I 1053 to drive threaded rod I 2031 to rotate.

[0049] The shot blasting device I2 includes a storage box I201, a spiral feeder 202, a storage box II2021, an upper shot blasting machine 203, a threaded rod I2031, a telescopic sleeve I2032, a lower shot blasting machine 204, a threaded rod II2041, a connecting pipe I2042, a hydraulic cylinder I2043, a pushing block 2044, a telescopic sleeve II2045, a guide trough I205, a distribution trough 2051, a connecting plate II2052, a storage box 206, a filter screen I2061, a fan 2062, a screening drum I207, a screening drum 2071, a collecting drum 2072, a spiral plate 2073, a baffle 2074, an air inlet cylinder 2075, a connecting trough II2076, a guide trough II2077, and a motor III208; the storage box I201 is supported by a support The support frame is fixedly connected to the top of the installation box 101, and a sliding groove is provided at the bottom of the storage box Ⅰ201, and a pair of connecting holes are provided on each side of the storage box Ⅰ201; the two ends and the middle of the threaded rod Ⅰ2031 are rotatably connected to the connecting seat Ⅱ1051 on the connecting groove Ⅰ105, and the threaded rod Ⅰ2031 is fixedly connected to the sprocket in the connecting seat Ⅱ1051 in the middle of the connecting groove Ⅰ105, and the thread directions of the two ends of the threaded rod Ⅰ2031 are opposite; the upper shot blasting machine 203 is provided with a pair of sliding blocks on the connecting groove Ⅰ105 on both sides of the connecting seat Ⅱ1051 in the middle of the connecting groove Ⅰ105, and one side of the base of the upper shot blasting machine 203 is threadedly connected to the threaded rod Ⅰ2031. When the motor Ⅱ1052 is turned on, the threaded rod Ⅰ203 is driven When the upper shot blasting machine 203 rotates, the base of the upper shot blasting machine 203 cooperates with the threaded rod I 2031 to drive the pair of upper shot blasting machines 203 to slide along the slider on the connecting groove I 105, so that the distance between the pair of upper shot blasting machines 203 changes to adapt to the shot blasting of stainless steel strips 6 of different widths; the telescopic sleeve I 2032 is provided with a pair, the bottom of the pair of telescopic sleeves I 2032 is respectively connected to the pair of upper shot blasting machines 203, and the top is fixedly connected to the sliding plate in the sliding groove 1014 and the sliding groove at the bottom of the storage box I 201. The telescopic sleeve I 2032 cooperates with the sliding plate in the sliding groove 1014 and the sliding groove at the bottom of the storage box I 201, so that the telescopic sleeve I 2032 can follow the upper shot blasting machine 203 along the slider on the connecting groove I 105. The slider slides, and at the same time, the telescopic sleeve I 2032 extends and contracts to facilitate the upper shot blasting machine 203 to follow the movement of the connecting groove I 105; one end of the threaded rod II 2041 is rotatably connected to the installation box 101, and the middle is rotatably connected to the connecting box on the partition 104. The other end of the threaded rod II 2041 passes through the through hole on one side of the installation box 101 and is fixedly connected to the sprocket. The thread directions of the two ends of the threaded rod II 2041 are opposite, and the sprocket on the threaded rod II 2041 is connected to one of the sprockets on the output end of the motor I 103 through a chain; the lower shot blasting machine 204 is provided with a pair, which are respectively slidably connected to the slider on the partition 104 through both sides of the connecting box on the partition 104 at the base, and one side of the base of the lower shot blasting machine 204 is threadedly connected to the threaded rod II 2041;Turn on the motor I 103 and control the threaded rod II 2041 to rotate, thereby controlling the base of the lower shot blasting machine 204 to cooperate with the threaded rod II 2041 to drive a pair of lower shot blasting machines 204 to slide along the slider on the partition 104, thereby changing the distance between the pair of lower shot blasting machines 204, so that the pair of lower shot blasting machines 204 can adapt to shot blasting stainless steel strips 6 of different widths; the telescopic sleeve II 2045 is provided with a pair, one end of the telescopic sleeve II 2045 is connected to the lower shot blasting machine 204, and the other end passes through the installation box 101 and is fixedly connected to the outside of the installation box 101, and the telescopic sleeve II 2045 can extend or contract with the movement of the lower shot blasting machine 204; the spiral feeder 202 is provided with a pair, and the feeding ports of the pair of spiral feeders 202 are fixedly connected It is connected to the storage box II 2021 provided on both sides of the installation box 101, and the discharge ports are respectively connected to the connecting holes on both sides of the storage box I 201; the connecting pipe I 2042 is provided with a pair, one end of a pair of connecting pipes I 2042 is respectively fixedly connected to the other connecting hole on both sides of the storage box I 201, and the other end is respectively fixedly connected to a pair of telescopic sleeves II 2045 on the outside of the installation box 101; the pushing block 2044 is provided with a pair, one end of a pair of pushing blocks 2044 is respectively inserted into a pair of telescopic sleeves II 2045, and the protruding end of the hydraulic cylinder I 2043 fixedly connected to one side of the telescopic sleeve II 2045 through a fixing seat is fixedly connected to the other end of the pushing block 2044; the hydraulic cylinder I 2043 telescopically drives the pushing block 2044 to move in the telescopic sleeve II 2 045, and pushes the shot material that enters the telescopic sleeve II 2045 along the connecting pipe I 2042 into the lower shot blasting machine 204; the top of the guide trough I 205 is fixedly connected to the baffle plate I 1011, and the bottom is fixedly connected to the Y-shaped distribution trough 2051, and the bifurcated ends of the distribution trough 2051 are each provided with a connecting plate II 2052; the motor III 208 is provided with a pair, which are respectively fixedly connected to the bottom of the bifurcated end of the distribution trough 2051, and the output end of the motor III 208 is provided with a gear; the screening cylinder I 207 is provided with a pair, which are respectively connected to the connecting plate II 2052 on the bifurcated end of the distribution trough 2051, and the screening cylinder I 207 includes a screening cylinder 2071, a collecting cylinder 2072, a spiral plate 2073, a baffle 2074, an air inlet cylinder 2075, a connecting cylinder Connecting groove II 2076, guide groove II 2077; the top of the sieve drum 2071 is provided with a connecting groove and gear teeth meshing with the gear at the output end of the motor III 208, the sieve drum 2071 is rotatably connected to the connecting plate II 2052, a spiral plate 2073 is provided inside the sieve drum 2071, and a number of evenly distributed irregular baffles 2074 are provided on the inner wall of the sieve drum 2071, the baffles 2074 can stir the pellets to prevent the pellets from accumulating under the sieve drum 2071; the bottom end of the collecting drum 2072 is provided with a connecting groove, and the collecting drum 2072 is fixedly connected to the storage box 206 through the guide groove II 2077; one side of the connecting groove II 2076 is fixedly connected to the bottom end of the collecting drum 2072, and the other side passes through the installation box 101 and is fixedly connected to the storage box II 2021;One end of the air intake cylinder 2075 is fixedly connected to the collecting cylinder 2072 above the connecting groove II 2076; the bottom of the screen cylinder 2071 is rotatably connected to the connecting groove at the bottom of the collecting cylinder 2072, and the top of the collecting cylinder 2072 is rotatably connected to the connecting groove at the top of the screen cylinder 2071, and the air intake cylinder 2075 is rotatably connected to the middle of the spiral plate 2073; the filter screen I 2061 is provided with a pair, which are symmetrically connected to the inside of the storage box 206, and the air inlet of the fan 2062 is fixedly connected to the storage box 206 between a pair of filter screens I 2061 through a pipe, and the air outlet is connected to the outside of the installation box 101 through a pipe; the stainless steel strip 6 is shot blasted in the shot blasting device I 2, and the shot material after shot blasting falls onto the baffle plate I 1011 and then rolls into the guide trough I 205 along the baffle plate I 1011, and is respectively led into the pair of screen cylinders 20 through the distribution trough 2051. Inside 71, motor III 208 is started, causing it to drive the screen drum 2071 to rotate inside the collection drum 2072. The shot in the screen drum 2071 rolls along the spiral plate 2073, shaking off impurities adhering to the surface of the shot. At the same time, fan 2062 is turned on, and air entering the collection drum 2072 and storage box 206 through the air inlet cylinder 2075 draws impurities that have fallen from the surface of the steel shot into the storage box 206. The air is filtered by filter screen I 2061 and then drawn out of the device by fan 2062. Impurities that have fallen from the shot remain in the storage box 206. The steel shot rolls along the spiral plate 2073 to the connecting groove II 2076, and then enters the storage box II 2021 through the connecting groove II 2076. The spiral loader 202 transports the shot in the storage box II 2021 to the storage box I 201 for use by the upper shot blasting machine 203 and the lower shot blasting machine 204.

[0050] The shot blasting device II3 includes a screening drum II301, a filter drum 3011, a cleaning roller 3012, a rotating ring I3013, a baffle plate II3014, a connecting pipe II3015, a gear ring 3016, an air inlet pipe 3017, a connecting seat I3018, a guide box 302, a hydraulic cylinder II3021, a guide trough III303, a motor IV3031, a connecting plate III3032, and a storage box III304; the structure of the shot blasting device II3 is different from that of the shot blasting device I2 in that the guide trough III303 is provided with a pair, one end of the guide trough III303 is fixedly connected to the baffle plate 1015, and the other end is provided with a connecting plate III3032; the motor IV3031 is fixedly connected to the bottom of the guide trough III303 through the motor seat, and the motor IV303 1 output end is provided with a gear; the screening drum II 301 is provided with a pair, the screening drum II 301 includes a filter drum 3011, a cleaning roller 3012, a rotating ring I 3013, a material blocking plate II 3014, a connecting pipe II 3015, a gear ring 3016, an air inlet pipe 3017, and a connecting seat I 3018; the top of the filter drum 3011 is provided with two sets of gear teeth, the connecting plate III 3032 is rotatably connected between the two sets of gear teeth at the top of the filter drum 3011, the bottom end of the filter drum 3011 is rotatably connected to one side of the guide box 302, and one set of gear teeth at the top of the filter drum 3011 is engaged with the gear on the output end of the motor IV 3031; the gear ring 3016 is fixedly connected to the connecting plate III 3032, and the connecting seat I 3018 is connected to the gear through a connecting shaft. The inner side of the wheel ring 3016 is fixedly connected to the connecting plate III 3032; the rotating ring I 3013 is rotatably connected to the bottom of the filter cartridge 3011, and a fixing ring and a fixing seat are provided on the inner side of the rotating ring I 3013; the cleaning roller 3012 is provided with bristles and a plurality of baffles, and one end of the cleaning roller 3012 is rotatably connected to the fixing seat inside the rotating ring I 3013, and the other end is engaged with the gear ring 3016 and another set of gear teeth at the top of the filter cartridge 3011 through a gear; the cleaning roller 3012 prevents the pellets from accumulating under the filter cartridge 3011 and cleans the surface of the pellets, and at the same time, the baffle on the cleaning roller 3012 lifts the pellets to increase the collision between the pellets and the filter cartridge 3011, and shakes off the impurities on the surface of the pellets by vibration; the One end of the connecting pipe II 3015 passes through the fixed ring on the inner side of the rotating ring I 3013 and is fixedly connected to the bottom of the several air inlet pipes 3017, and the other end passes through the through hole on the baffle plate II 3014 and the guide box 302 to connect to the air outlet of the fan, the top of the air inlet pipe 3017 is fixedly connected to the connecting seat I 3018, and the air inlet pipe 3017 is provided with a plurality of nozzles; the air inlet pipe 3017 blows the impurities swept away by the cleaning roller 3012 out of the filter cartridge 3011, and can also sweep out and clean the impurities attached to the surface of the cleaning roller 3012; the baffle plate II 3014 is slidably connected to the bottom of the filter cartridge 3011; the guide box 302 is provided with a pair, and the guide box 302 is fixedly connected to the storage box III 304 through the connecting pipe through the installation box 101;A pair of hydraulic cylinders II 3021 are provided, fixedly connected to one side of the material guide box 302, with the extended end of the hydraulic cylinder II 3021 fixedly connected to the material baffle plate II 3014. The stainless steel strip 6 is shot blasted in the shot blasting device II 3. The pellets that fall onto the material baffle plate 1015 enter the interior of the filter drum 3011 through the material guide trough III 303. The motor IV 3031 is turned on to control the rotation of the filter drum 3011. The gear teeth and gear ring 3016 inside the filter drum 3011 engage with the gear on the top of the cleaning roller 3012, causing the cleaning roller 3012 to rotate around the air inlet pipe 3017 while rotating on its own, cleaning impurities adhering to the surface of the pellets. After cleaning is completed, the hydraulic cylinder II 3021 is retracted, allowing the pellets to enter the material guide box 302 and then enter the material storage box III 304, facilitating loading by the spiral loader 202.

[0051] The cleaning device 4 includes a hydraulic cylinder III 401, a cleaning plate 402, a brush 4021, a connecting shaft I 4022, a lifting plate 403, a connecting plate IV 4031, a fixed seat 4032, a hydraulic cylinder IV 404, a connecting rod I 4041, a support seat 405, a connecting rod II 4051, a rotating seat I 4052, a rotating seat II 4053, a spring 4054, a push block 4055, a connecting shaft II 4056, a connecting rod III 4057, and a limit seat 4058; the top of the lifting plate 403 is slidably connected to the sliding groove at the inlet or outlet of the installation box 101, a connecting plate IV 4031 is provided on one side of the lifting plate 403, and a pair of support seats 405 are provided on the other side, and a through groove is provided below each of the pair of support seats 405, and Push blocks 4055 are provided on the baffles on both sides of the support seat 405; one end of the hydraulic cylinder III401 is fixedly connected to the connecting plate I1013, and the protruding end is fixedly connected to the connecting plate IV4031. The hydraulic cylinder III401 plays a role in controlling the lifting plate 403 to rise or fall in the sliding groove at the inlet or outlet of the installation box 101; one end of the hydraulic cylinder IV404 is fixedly connected to the connecting plate I1013, and the output end is fixedly connected to the connecting plate IV4031; a connecting ring is provided above the rotating seat I4052, and the bottom of the rotating seat I4052 passes through the through hole on the support seat 405 and is fixedly connected to one end of the connecting rod II4051, and the other end of the connecting rod II4051 passes through the through slot on the lifting plate 403 and is connected to one end of the connecting rod I4041 Dynamic connection; the hydraulic cylinder IV404 is fixedly connected to the lifting plate 403 below the connecting plate IV4031 through a fixed seat 4032, and a connecting seat is provided at the output end of the hydraulic cylinder IV404, and the hydraulic cylinder IV404 is rotatably connected to the other end of the connecting rod I4041 through the connecting seat on the output end; the plate brush 4021 is fixedly connected to one side of the cleaning plate 402 by bolts; the top of the cleaning plate 402 is fixedly connected to the connecting shaft I4022, and one end of the connecting shaft I4022 passes through the connecting ring above the rotating seat I4052 and is fixedly connected to the bottom of the rotating seat II4053; a connecting tube is provided above the rotating seat II4053, and the connecting shaft II4056 slides with the connecting tube above the rotating seat II4053 through the limiting plate at the bottom. The connecting rod Ⅳ4057 is connected, and the spring 4054 is arranged along the connecting shaft Ⅱ4056 between the limiting plate at the bottom and the connecting tube above the rotating seat Ⅱ4053; the limiting seat 4058 is fixedly connected to the top of the connecting ring on the rotating seat Ⅰ4052, and limiting shafts are provided on both sides of the limiting seat 4058, and one end of the connecting rod Ⅲ4057 is rotatably connected to the middle of the limiting seat 4058 and the other end is rotatably connected to the top of the connecting shaft Ⅱ4056 through the connecting shaft; the hydraulic cylinder Ⅳ404 is extended and retracted to make the connecting rod Ⅰ4041 drive the connecting rod Ⅱ4051 to control the rotation of the rotating seat Ⅰ4052, and at the same time, the rotating seat Ⅰ4052 drives the connecting shaft Ⅰ4022 to control the cleaning plate 402 to swing to clean the shot and impurities remaining on the surface of the stainless steel strip 6;When the cleaning plate 402 approaches the side wall of the installation box 101, the push block 4055 pushes the rotating seat II 4053, which drives the connecting rod III 4057 to tilt onto the limit shaft on one side of the limit seat 4058. At the same time, the rotating seat II 4053 drives the connecting shaft I 4022 to control the cleaning plate 402 to flip upward, preventing the cleaning plate 402 from sweeping the shot and impurities into a position that is difficult to clean. When the cleaning plate 402 approaches the lifting plate 403, another push block 4055 pushes the rotating seat II 4053, which drives the connecting rod III 4057 to tilt onto the limit shaft on the other side of the limit seat 4058. At the same time, the rotating seat II 4053 drives the connecting shaft I 4022 to control the cleaning plate 402 to flip downward, making it easier for the cleaning plate 402 to sweep the shot and impurities off the surface of the stainless steel strip 6.

[0052] The grinding device 5 includes a hydraulic cylinder V501, a connecting rod I5011, a connecting rod II5012, a connecting rod III5013, an induced draft fan 502, a support frame 503, a collecting box 504, a screening box 505, a sieve plate I5051, a sieve plate II5052, a filter screen II5053, a roller brush 506, a gear III5061, a rotating ring II5062, a conveyor belt 507, a support roller I5071, a motor V5072, a sliding seat 508, a connecting rod IV5081, a connecting rod V5082, a hydraulic cylinder VI5083, a sliding rod 5084, a connecting plate V509, a brush belt 5091, a motor VI5092, a rotating shaft 5093, a support roller II5094, and a grinding block 5095; the hydraulic cylinder V501 A pair of guide plates 1012 are provided, and the hydraulic cylinder V501 is fixedly connected to the installation box 101 between the pair of guide plates 1012, and the protruding end of the hydraulic cylinder V501 is fixedly connected to the connecting groove Ⅰ105; the connecting rod Ⅰ5011, the connecting rod Ⅱ5012, and the connecting rod Ⅲ5013 are each provided with two groups, which are respectively connected to the two ends of the connecting groove Ⅰ105; one end of the connecting rod Ⅰ5011 is fixedly connected to the inside of the connecting groove Ⅰ105, the connecting rod Ⅲ5013 is rotatably connected to the installation box 101, and one end of the connecting rod Ⅲ5013 is rotatably connected to the top of the connecting rod Ⅱ5012, and the other end is rotatably connected to the middle of the connecting rod Ⅰ5011; the connecting plate Ⅴ509 is provided with a pair, and the two ends of one connecting plate Ⅴ509 are rotatably connected to the other end of the connecting rod Ⅰ5011 Dynamic connection, the other two ends of the connecting plate V509 are rotatably connected to the bottom end of the connecting rod II5012, and the grinding block 5095 is fixedly connected to the middle of the connecting plate V509; the motor VI5092 is fixedly connected to one end of the connecting plate V509 through the motor seat, and the output end of the motor VI5092 is provided with a sprocket; the brush belt 5091 is rotatably connected to both sides of the connecting plate V509 through the support roller II5094, and the support roller II5094 adjacent to the motor VI5092 is connected to each other through a rotating shaft 5093 rotatably connected to the connecting plate V509, and a sprocket is provided on one side of the rotating shaft 5093, and the sprocket on the rotating shaft 5093 is connected to the sprocket at the output end of the motor VI5092 through a chain; the hydraulic cylinder V501 extends to control the connecting groove I1 05 The guide plate 1012 slides downward until the longer side of the connecting groove I 105 is close to the stainless steel strip. At the same time, the connecting groove I 105 drives the connecting rod I 5011 to push one end of the connecting rod III 5013 downward, and the other end of the connecting rod III 5013 pulls the connecting rod II 5012 upward, thereby controlling the connecting plate V 509 connected to the connecting rod I 5011 and the connecting plate V 509 connected to the connecting rod II 5012 to be close to the surface of the stainless steel strip 6, so that the grinding block 5095 grinds the upper and lower surfaces of the stainless steel strip 6. At the same time, the motor VI 5092 is turned on to control the rotating shaft 5093 to drive the supporting roller II 5094 to rotate, so that the brush belt 5091 sweeps away the shot materials entering the grinding device 5 and impurities on the surface of the stainless steel strip 6;The screening box 505 is fixedly connected to one side of the installation box 101, and a collection box 504 is provided on one side of the screening box 505, and the other side is fixedly connected to the induced draft fan 502, and a filter screen II 5053 is provided between the induced draft fan 502 and the screening box 505; the support frame 503 is fixedly connected to the screening box 505 at the bottom of the induced draft fan 502; the sieve plate I 5051 is fixedly connected to the inside of the screening box 505, and a gap is left between one side of the sieve plate I 5051 and the screening box 505; one end of the sieve plate II 5052 is fixedly connected to the screening box 505 above the induced draft fan 502, and the other end is fixedly connected to the screening box 505 below the collection box 504; a gap is provided between the sieve plate I 5051 and the sieve plate II 5052 The baffle reduces the impurities from entering the collecting box 504 and collides with the pellets during their falling process to increase vibration, while guiding the pellets to the screen plate II 5052 to increase the time for removing impurities on the surface of the pellets; one end of the conveyor belt 507 is rotatably connected to the mounting groove above the partition 104 through the support roller I 5071, and the other end passes through the mounting box 101 and is rotatably connected to the top of the screening box 505 through another support roller I 5071; the motor V 5072 is fixedly connected to the top of the screening box 505 through the motor seat, and the motor V 5072 passes through the screening box 505 and is fixedly connected to the support roller I 5071 rotatably connected to the top of the screening box 505; the pellets and impurities swept away by the brush belt 5091 pass through the receiving trough 102 falls onto the conveyor belt 507, and the conveyor belt 507 is driven by the motor V 5072 to send the pellets and impurities into the screening box 505. The impurities enter the bottom of the screening box 505 under the action of the induced draft fan 502 and the filter screen II 5053, and the pellets pass through the sieve plate I 5051 and fall onto the baffle between the sieve plate I 5051 and the sieve plate II 5052, and then fall onto the sieve plate II 5052. The pellets enter the collection box 504 along the sieve plate II 5052, and finally the collection box 504 transports the pellets into the storage box II 2021; the roller brush 506 is provided with a pair, and the two ends of the roller brush 506 are provided with a gear III 5061 meshing with the rack 1021, and the connecting shafts at both ends of the roller brush 506 pass through the mounting box 101 The connecting grooves on both sides are rotatably connected to the rotating ring II 5062; the sliding rod 5084 is provided with a pair, which are respectively fixedly connected to both sides of the installation box 101, and the sliding seat 508 is slidably connected to the sliding rod 5084; one end of the connecting rod IV 5081 is rotatably connected to one side of the sliding seat 508, and the other end is rotatably connected to the connecting shaft at one end of the roller brush 506; one end of the connecting rod V 5082 is rotatably connected to the other side of the sliding seat 508, and the other end of the connecting rod V 5082 is rotatably connected to the connecting shaft at one end of the other roller brush 506; the hydraulic cylinder VI 5083 is provided with a pair, which are respectively fixedly connected to both sides of the installation box 101, and the protruding end of the hydraulic cylinder VI 5083 is fixedly connected to the rotating ring II 5062 on one roller brush 506;Hydraulic cylinder VI 5083 extends and retracts to control the movement of roller brushes 506 along the connecting groove on mounting box 101. Simultaneously, gear III 5061 engages rack 1021. Connecting rods IV 5081 and V 5082 cooperate to cause the pair of roller brushes 506 to move in unison, rotating them to sweep the bottom surface of docking trough 102 and prevent impurities from accumulating.

[0053] 4) Pickling: The stainless steel strip is pickled to remove the oxide scale through the pickling mechanism;

[0054] 5) Cleaning and drying: The pickled stainless steel strip is cleaned by the cleaning mechanism, and then dried by the drying system before being curled.

[0055] Example 2: The differences from Example 1 are as follows: 2) Annealing: The stainless steel strip is annealed at 1078°C by an annealing mechanism and then cooled to 72°C; 3) Phosphorus-Breaking Shot Blasting: The annealed stainless steel strip is shot blasted at a speed of 20 m / min by a shot blasting device with a blast head current of 100 A;

[0056] Example 3: The difference from Example 1 is that the shot blasting device I2 in the device is turned off, and only the grinding device 5 and the shot blasting device II3 are used to process the stainless steel strip;

[0057] Comparative Example: The stainless steel strip was alkaline treated by the treatment method with application number 202110255134.8 and invention name Shot Blasting Cleaning Device. Except for the shot blasting device, other process conditions were the same as those in Example 1.

[0058] The measured values ​​of the stainless steel strips in various embodiments and comparative examples after shot blasting and pickling are shown in the table:

[0059] Example 1 Example 2 Example 3 Comparative Example 1 Upper surface / μm 13 12.8 17 19 Lower surface / μm 13.2 13 16.6 19.2 Surface quality after pickling good good Some areas are uneven Some areas are uneven

[0060] Through the analysis of the experimental results of Example 1 and Example 2, the stainless steel strip produced by the shot blasting device of the present invention meets all the production requirements and the experimental data are stable;

[0061] By comparing the experimental data of Example 1 and Example 2 with the comparative example, although the experimental data all meet the production requirements, the uniformity effect of the comparative example on roughness is lower than that of Example 1 and Example 2;

[0062] By visually observing the surfaces of the stainless steel strips produced in Example 1 and Example 2, it was found that after shot blasting by the shot blasting device and then pickling, the surfaces of the stainless steel strips produced were clean and smooth, with good surface quality, meeting the surface quality control requirements;

[0063] By comparing and analyzing Example 1, Example 2 and Example 3, based on visual observation of the surface of the stainless steel strip, the surface quality of the stainless steel strip produced in Example 3 is worse than that in Example 1 and Example 2, and the transverse roughness of the stainless steel strip is still not uniform enough.

[0064] The above content is merely an example and explanation of the structure of the present invention. Those skilled in the art may make various modifications or additions to the described specific embodiments or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the scope of protection of the present invention.

Claims

1. A process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip, characterized in that The specific annealing and pickling process steps are as follows: 1) Uncoiling and welding: The two adjacent sets of steel plates are welded and fixed by the welding mechanism to facilitate the pickling of the entire steel plate; 2) Annealing: The stainless steel strip is annealed at a temperature of 860°C-1100°C by an annealing mechanism, and then cooled to 60°C-100°C after annealing; 3) Phosphorus-breaking shot blasting: The annealed stainless steel strip is shot blasted at a speed of 10M / min-25M / min using a shot blasting device with a blasting head current of 100A; 4) Pickling: The stainless steel strip is pickled to remove the oxide scale through the pickling mechanism; 5) Cleaning and drying: The pickled stainless steel strip is cleaned by the cleaning mechanism, and then dried by the drying system before being curled; In step 3), the shot blasting device includes a box, a shot blasting device I, a shot blasting device II, a cleaning device, and a grinding device; the cleaning device is provided in two groups, connected to the inlet and outlet of the box respectively; the grinding device is provided in the middle of the box; the shot blasting device I is provided between the inlet of the box and the grinding device; the shot blasting device II is provided between the outlet of the box and the grinding device; the diameter of the shot used in the shot blasting device I is larger than the diameter of the shot used in the shot blasting device II; The shot blasting device I includes a storage box I, a spiral feeder, a storage box II, an upper shot blasting machine, a threaded rod I, a telescopic sleeve I, a lower shot blasting machine, a threaded rod II, a connecting pipe I, a hydraulic cylinder I, a pusher block, a telescopic sleeve II, a guide trough I, a distribution trough, a connecting plate II, a storage box, a filter screen I, a fan, a screening drum I, and a motor III; the screening drum I is provided with a pair, the screening drum I includes a screen drum, a collecting drum, a spiral plate, a baffle, an air intake drum, a connecting trough II, and a guide trough II; the top of the screen drum is provided with a connecting groove and a plurality of gear teeth, and the inside of the screen drum A spiral plate is provided, and a number of evenly distributed irregular baffles are provided on the inner wall of the screen drum; a connecting groove is provided at the bottom end of the collecting drum, and the collecting drum is fixedly connected to the top of the guide groove II; one side of the connecting groove II is fixedly connected to the bottom end of the collecting drum, and the other side passes through the installation box and is fixedly connected to the spiral feeder; one end of the air intake drum is fixedly connected to the collecting drum above the connecting groove II; the bottom of the screen drum is rotatably connected to the connecting groove at the bottom end of the collecting drum, the top of the collecting drum is rotatably connected to the connecting groove at the top of the screen drum, and the air intake drum is rotatably connected to the middle of the spiral plate; The shot blasting device II includes a screening drum II, a material guide box, a hydraulic cylinder II, a material guide trough III, a motor IV, a connecting plate III, and a material storage box III; the structure of the shot blasting device II is different from that of the shot blasting device I in that the material guide trough III is provided with a pair, one end of which is fixedly connected to the baffle plate, and the other end is provided with a connecting plate III; the screening drum II is provided with a pair, and the screening drum II includes a filter drum, a cleaning roller, a rotating ring I, a material baffle plate II, a connecting pipe II, a gear ring, an air intake pipe, and a connecting seat I; the top of the filter drum is provided with two sets of gear teeth, and the connecting plate III is rotatably connected between the two sets of gear teeth at the top of the filter drum; the gear ring is fixedly connected to the connecting plate III , and the connecting seat I is fixedly connected to the connecting plate III on the inner side of the gear ring through the connecting shaft; the rotating ring I is rotatably connected to the bottom of the filter cartridge, and a fixed ring and a fixed seat are provided on the inner side of the rotating ring I; the cleaning roller is provided with bristles and a number of baffles, and one end of the cleaning roller is rotatably connected to the fixed seat on the inner side of the rotating ring I, and the other end is engaged with the gear ring and another set of gear teeth on the top of the filter cartridge through a gear; one end of the connecting pipe II passes through the fixed ring on the inner side of the rotating ring I and is fixedly connected to the bottom of the several air inlet pipes, the top of the air inlet pipe is fixedly connected to the connecting seat I, and a number of nozzles are provided on the air inlet pipe; the baffle plate II is slidably connected to the bottom of the filter cartridge.

2. A process for improving the uniformity of the transverse roughness of a stainless steel strip surface according to claim 1, characterized in that The storage box I is fixedly connected to the top of the installation box through a support frame, and a sliding groove is provided at the bottom of the storage box I, and a pair of connecting holes are provided on each side of the storage box I; the two ends and the middle of the threaded rod I are rotatably connected to the connecting seat II on the connecting groove I, and the threaded rod I is fixedly connected to the sprocket in the connecting seat II in the middle of the connecting groove I, and the thread directions of the two ends of the threaded rod I are opposite; the upper shot blasting machine is provided with a pair, which are respectively slidably connected to the slider on the connecting groove I on both sides of the connecting seat II in the middle of the connecting groove I, and one side of the base of the upper shot blasting machine is threadedly connected to the threaded rod I; the telescopic sleeve I is provided with a pair, and the bottom of a pair of telescopic sleeves I is respectively connected to a pair of upper shot blasting machines, and the top The top of the screw rod is fixedly connected to the sliding plate in the sliding groove and the sliding groove at the bottom of the storage box I; one end of the threaded rod II is rotatably connected to the mounting box, and the middle is rotatably connected to the connecting box on the partition, and the other end of the threaded rod II passes through the through hole on one side of the mounting box and is fixedly connected to the sprocket. The thread directions at both ends of the threaded rod II are opposite, and the sprocket on the threaded rod II is connected to one of the sprockets on the output end of the motor I through a chain; the lower shot blasting machine is provided with a pair, which are respectively slidably connected to the slider on the partition through both sides of the connecting box on the partition on the base, and one side of the base of the lower shot blasting machine is threadedly connected to the threaded rod II; the telescopic sleeve II is provided with a pair, one end of the telescopic sleeve II is connected to the lower shot blasting machine The screw feeder is provided with a pair of screw feeders, and the discharge ports of the pair of screw feeders are respectively connected to the connecting holes on both sides of the storage box I, and the feed ports are respectively fixedly connected to the storage box II provided on both sides of the installation box, and the storage box II is fixedly connected to the other side of the connecting groove II; the connecting pipe I is provided with a pair of connecting pipes, one end of a pair of connecting pipes I is respectively fixedly connected to the other connecting hole on both sides of the storage box I, and the other end is respectively fixedly connected to a pair of telescopic sleeves II on the outside of the installation box; the pushing block is provided with a pair of pushing blocks, one end of a pair of pushing blocks is respectively inserted into a pair of telescopic sleeves II, and is fixedly connected to one end of the telescopic sleeve II through a fixing seat. The extended end of the hydraulic cylinder I on the side is fixedly connected to the other end of the pushing block; the top of the guide trough I is fixedly connected to the baffle plate I, and the bottom is fixedly connected to the Y-shaped distribution trough, and the bifurcated ends of the distribution trough are rotatably connected to the screen cylinders in a pair of screening cylinders I through connecting plates II; a pair of motors III are provided, which are respectively fixedly connected to the bottom of the bifurcated ends of the distribution trough, and the gears at the output ends of the motors III are engaged with several gear teeth on the screen cylinder; a pair of filters I are provided, which are symmetrically connected inside the storage box, and the top of the storage box is fixedly connected to the bottom of the guide trough II; the air inlet of the fan is fixedly connected to the storage box between a pair of filters I through a pipe, and the air outlet is connected to the outside of the installation box through a pipe.

3. A process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip according to claim 2, characterized in that The motor IV is fixedly connected to the bottom of the material guide trough III through the motor seat, and the output end of the motor IV is engaged with one set of gear teeth at the top of the filter cartridge through a gear; the material guide box is provided with a pair, one side of the material guide box is rotatably connected to the bottom end of the filter cartridge, the material guide box is fixedly connected to the material storage box III through the installation box through the connecting pipe, and the other end of the connecting pipe II passes through the material baffle plate II and the through hole on the material guide box to connect to the fan outlet; the hydraulic cylinder II is provided with a pair, the hydraulic cylinder II is fixedly connected to one side of the material guide box, and the protruding end of the hydraulic cylinder II is fixedly connected to the material baffle plate II.

4. A process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip according to claim 2, characterized in that The cleaning device includes a hydraulic cylinder III, a cleaning plate, a brush, a connecting shaft I, a lifting plate, a connecting plate IV, a fixed seat, a hydraulic cylinder IV, a connecting rod I, a support seat, a connecting rod II, a rotating seat I, a rotating seat II, a spring, a push block, a connecting shaft II, a connecting rod III, and a limit seat; the top of the lifting plate is slidably connected to the sliding groove at the inlet or outlet of the installation box, a connecting plate IV is provided on one side of the lifting plate, a pair of support seats are provided on the other side, a through groove is provided under each pair of support seats, and push blocks are provided on the baffles on both sides of the support seats; one end of the hydraulic cylinder III is fixedly connected to the connecting plate I, and the protruding end is fixedly connected to the connecting plate IV; one end of the hydraulic cylinder IV is fixedly connected to the connecting plate I, and the output end is fixedly connected to the connecting plate IV; a connecting ring is provided above the rotating seat I, and the bottom of the rotating seat I is fixedly connected to one end of the connecting rod II through the through hole on the support seat, and the other end of the connecting rod II passes through the through groove on the lifting plate and is connected to the connecting rod I One end is rotatably connected; the hydraulic cylinder IV is fixedly connected to the lifting plate through a fixed seat under the connecting plate IV, and a connecting seat is provided at the output end of the hydraulic cylinder IV, and the hydraulic cylinder IV is rotatably connected to the other end of the connecting rod I through the connecting seat on the output end; the plate brush is fixedly connected to one side of the cleaning plate by a bolt; the top of the cleaning plate is fixedly connected to the connecting shaft I, and one end of the connecting shaft I passes through the connecting ring above the rotating seat I and is fixedly connected to the bottom of the rotating seat II; a connecting tube is provided above the rotating seat II, and the connecting shaft II is slidably connected to the connecting tube above the rotating seat II through the limiting plate at the bottom, and a spring is provided along the connecting shaft II between the connecting shaft II passing through the limiting plate at the bottom and the connecting tube above the rotating seat II; the limit seat is fixedly connected above the connecting ring on the rotating seat I, and limit shafts are provided on both sides of the limit seat, and one end of the connecting rod III is rotatably connected to the middle of the limit seat and the other end is rotatably connected to the top of the connecting shaft II through the connecting shaft.

5. The process for improving the uniformity of the transverse roughness of the surface of a stainless steel strip according to claim 2, characterized in that The grinding device includes a hydraulic cylinder V, a connecting rod I, a connecting rod II, a connecting rod III, an induced draft fan, a support frame, a collecting box, a screening box, a sieve plate I, a sieve plate II, a filter screen II, a roller brush, a gear III, a rotating ring II, a conveyor belt, a support roller I, a motor V, a sliding seat, a connecting rod IV, a connecting rod V, a hydraulic cylinder VI, a sliding rod, a connecting plate V, a brush belt, a motor VI, a rotating shaft, a support roller II, and a grinding block; the hydraulic cylinder V is provided with a pair, and the hydraulic cylinder V is fixedly connected to the mounting box between a pair of guide plates, and the protruding end of the hydraulic cylinder V is fixedly connected to the connecting groove I; the connecting rod I, the connecting rod II, and the connecting rod III are each provided with two groups, which are respectively connected to the two ends of the connecting groove I; one end of the connecting rod I is fixedly connected to the inside of the connecting groove I, and the connecting rod Rod III is rotatably connected to the mounting box, and one end of connecting rod III is rotatably connected to the top of connecting rod II, and the other end is rotatably connected to the middle of connecting rod I; the connecting plate V is provided with a pair, wherein both ends of one connecting plate V are rotatably connected to the other end of connecting rod I, and both ends of the other connecting plate V are rotatably connected to the bottom end of connecting rod II, and the grinding block is fixedly connected to the middle of connecting plate V; the motor VI is fixedly connected to one end of connecting plate V through a motor seat, and a sprocket is provided at the output end of motor VI; the brush belt is rotatably connected to both sides of connecting plate V through support roller II, and support roller II adjacent to motor VI is connected to each other through a rotating shaft rotatably connected to connecting plate V, a sprocket is provided on one side of the rotating shaft, and the sprocket on the rotating shaft is connected to the sprocket at the output end of motor VI through a chain; The screening box is fixedly connected to one side of the installation box, and a collecting box is provided on one side of the screening box, and a filter screen II is provided between the induced draft fan and the screening box; the support frame is fixedly connected to the screening box at the bottom of the induced draft fan; the sieve plate I is fixedly connected to the inside of the screening box, and a gap is left between one side of the sieve plate I and the screening box; one end of the sieve plate II is fixedly connected to the screening box above the induced draft fan, and the other end is fixedly connected to the screening box below the collecting box; a baffle is provided between the sieve plates I and II; one end of the conveyor belt is rotatably connected to the mounting groove above the partition through a supporting roller I, and the other end passes through the installation box and is rotatably connected to the top of the screening box through another supporting roller I; the motor V is fixedly connected to the top of the screening box through a motor seat, And the motor V passes through the screening box and is fixedly connected to the support roller I which is rotatably connected to the top of the screening box; a pair of roller brushes are provided, and gears III which mesh with the rack are provided at both ends of the roller brush, and the connecting shafts at both ends of the roller brush pass through the connecting grooves on both sides of the mounting box and are rotatably connected to the rotating ring II; a pair of slide rods are provided, which are respectively fixedly connected to both sides of the mounting box, and the sliding seat is slidably connected to the slide rods; one end of the connecting rod IV is rotatably connected to one side of the sliding seat, and the other end is rotatably connected to the connecting shaft at one end of the roller brush; one end of the connecting rod V is rotatably connected to the other side of the sliding seat, and the other end of the connecting rod V is rotatably connected to the connecting shaft at one end of the other roller brush; a pair of hydraulic cylinders VI are provided, which are respectively fixedly connected to both sides of the mounting box, and the protruding end of the hydraulic cylinder VI is fixedly connected to the rotating ring II on a roller brush.

6. A process for improving the uniformity of the transverse roughness of a stainless steel strip surface according to claim 2, characterized in that The box body includes an installation box, a baffle plate I, a guide plate, a connecting plate I, a sliding groove, a baffle plate, a material receiving groove, a rack, a motor I, a partition, a connecting groove I, a connecting seat II, a motor II, and a gear I; sliding grooves are provided at the inlet and outlet of the installation box, connecting grooves are provided on both sides of the installation box, and a plurality of sliding grooves are provided on the top of the installation box. The partition is fixedly connected to the middle of the installation box, and a mounting groove is provided above the partition, and a connecting box and a slider are provided on both sides; the connecting plate I is provided with a pair of fixed connections above the inlet and outlet of the installation box respectively; the baffle plate I is fixedly connected to the installation box and the partition on one side of the partition, and the baffle plate is fixedly connected to the installation box and the partition on the other side of the partition; the guide plate is provided with a pair, and the guide plate is fixedly connected to the installation box above the partition; sliders are provided on both sides of the connecting groove I, and both ends of the connecting groove I A connecting seat II is provided in the middle, the side of the connecting groove I at the inlet is shorter than the side of the connecting groove I at the outlet, and the top of the connecting groove I is slidably connected to a pair of guide plates; a through groove is provided at the bottom of the material receiving trough, and the bottom of the material receiving trough is fixedly connected to the top of the partition; the rack is fixedly connected to the top of the connecting groove on both sides of the installation box on the inner side of the material receiving trough; the motor I is fixedly connected to one side of the installation box through the motor seat, and a pair of sprockets is provided at the output end of the motor I; the motor II is fixedly connected above the connecting groove I through the motor seat, and a gear is provided at the output end of the motor II; the gear I is provided with a pair, which are rotatably connected to the top of the connecting groove I through the connecting seat respectively, a sprocket is provided on one side of the gear I, and a pair of gears I are meshed with the gears on the output end of the motor II on both sides of the motor II, and the sprocket on one side of the gear I is connected to the sprocket on the threaded rod I through a chain.

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