Vanadium-nitrogen alloy crushing and screening integrated equipment

Abstract

The utility model provides a vanadium-nitrogen alloy finished product crushing and screening integrated device which comprises a machine frame, a containing frame is arranged below the machine frame, a supporting plate is arranged above the machine frame, and a supporting frame is arranged on the top of the supporting plate. A working box is arranged at the top of the rack, a crushing mechanism is arranged in the working box, and the crushing mechanism comprises a crushing part I and a crushing part II which are matched with each other; material returning mechanisms are arranged on the two sides of the crushing mechanism, and each material returning mechanism comprises a spiral material returning shaft; a discharging mechanism is arranged below the crushing mechanism and comprises a vibrating screen; a screening mechanism is arranged below the discharging mechanism and comprises a separating screen. A collecting mechanism is arranged below the screening mechanism and installed on a containing frame of the machine frame. According to the vanadium-nitrogen alloy crushing device, vanadium-nitrogen alloy can be quickly crushed to the particle size meeting the requirement, the crushing sufficiency is guaranteed, meanwhile, crushing and screening are conducted at the same time, the working efficiency is improved, and the working time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vanadium-nitrogen alloy preparation equipment, in particular to an integrated equipment for crushing and screening vanadium-nitrogen alloy. Background Technique

[0002] Vanadium-nitrogen alloy, namely vanadium nitride, is a billet made of raw materials such as vanadium oxide, reducing agent and binder, and is generated by reaction under high temperature conditions. Vanadium-nitrogen alloy is a new alloy additive in the production of special alloy steel grades, and can replace ferrovanadium for the production of microalloyed steel. Vanadium-nitrogen alloy can be used in structural steel, tool steel, pipeline steel, steel bars and cast iron; when applied to high-strength low-alloy steel, effective vanadium and nitrogen microalloying can be carried out simultaneously, promoting the precipitation of carbon, vanadium and nitrogen compounds in the steel, and more effectively playing the role of precipitation strengthening and grain refinement. Therefore, adding vanadium-nitrogen alloy to steel can improve the comprehensive mechanical properties of steel such as strength, toughness, ductility, thermal fatigue resistance and weldability, and is known as the "monosodium glutamate of the steel industry".

[0003] The production process of vanadium-nitrogen alloy mainly includes the following steps: raw material preparation, raw material melting, ball pressing, finished product treatment and packaging inspection. During the finished product treatment, it is necessary to first clean the impurities attached to the surface of the vanadium-nitrogen alloy, and then crush and screen it, break the bonding blocks of the vanadium-nitrogen alloy into small particles, and screen them through a sieve mesh. The vanadium-nitrogen alloy particles that meet the particle size requirements after screening are collected for the next step of material distribution and packaging; in the prior art, the crushing of vanadium-nitrogen alloy is generally only carried out once, and the crushing is not sufficient, resulting in more unqualified products in the subsequent packaging inspection. Although some prior arts will carry out secondary crushing on the products, it is necessary to manually feed the particles that do not meet the conditions again, which increases the labor cost. At the same time, most of the prior arts process the crushing process and the screening process separately, which leads to a reduction in work efficiency and an increase in the corresponding time cost. Summary of the Invention

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an integrated equipment for crushing and screening vanadium-nitrogen alloy.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A vanadium-nitrogen alloy crushing and screening integrated device, comprising a frame. A placing rack is provided below the frame, and a support plate is provided above. A sliding groove is provided on the support plate, and a support frame is provided on the top of the support plate. A working box is provided on the top of the frame. A crushing mechanism is provided inside the working box. The crushing mechanism includes a meshing gear I and gear III and a cooperating crushing part I and crushing part II. The gear I and gear III are both installed on the outer side wall of the working box. Crushing plates are provided on both sides of the crushing part I and crushing part II. A plurality of convex crushing blocks are provided on the crushing part I, crushing part II and the crushing plates. Returning mechanisms are provided on both sides of the crushing mechanism. The returning mechanisms include a conveying part and a spiral returning shaft. The conveying part is installed on the working box, and the conveying part and the spiral returning shaft are connected by a connecting shaft IV and a connecting shaft V. The spiral returning shaft is located on both sides inside the working box. An discharging mechanism is provided below the crushing mechanism. The discharging mechanism includes a vibrating screen, a spring I and a vibrating part for driving the vibrating screen to vibrate. The vibrating screen is slidably installed inside the working box and is connected to the bottom end inside the working box by the spring I. The vibrating part is connected to the gear I and gear II. A screening mechanism is provided below the discharging mechanism. The screening mechanism includes a sorting screen. The sorting screen is slidably installed on the support plate of the frame. The sorting screen is connected to the sliding groove of the frame by a spring II. A collecting mechanism is provided below the screening mechanism. The collecting mechanism is installed on the placing rack of the frame.

[0007] Preferably, a plurality of placing racks are provided below the frame. A plurality of support plates are provided on both the front and rear sides of the frame. A sliding groove is provided on each support plate. Columnar blocks are provided on both the top and bottom of the sliding groove. A spring II is sleeved on the outer end of the columnar block. A support frame is provided on the top of the support plate.

[0008] Preferably, the working box includes a box body. A motor mounting frame is provided on the rear side wall of the box body. A first clearance groove is provided between the motor mounting frame and the rear side wall of the box body. A crushing cavity is provided inside the box body. Fixed frames are provided on both sides of the top of the box body. A second clearance groove is provided between the fixed frame and the top end of the box body. Paired returning cavities are respectively provided on both sides of the crushing cavity. A feed inlet is provided at the lower part of the returning cavity. A sliding cavity is provided below the returning cavity. A spring support block I is provided at the bottom of the sliding cavity. A vibrating screen is slidably installed inside the sliding cavity. A spring I is sleeved on the outer circumference of the spring support block I, and the spring I is connected to the vibrating screen.

[0009] Preferably, the crushing mechanism further includes a crushing motor fixedly installed on the motor mounting bracket. The output end of the crushing motor is fixedly connected to the first end of the connecting shaft I. After the second end of the connecting shaft I enters the crushing chamber through the rear side wall of the box body, it then passes through the front side wall of the box body and is coaxially connected to the gear II. The gear I is sleeved on the connecting shaft I and is located in the first gap groove. The gear I is coaxially connected to the connecting shaft I. The gear I meshes with the gear III and the horizontal heights of their central axes are the same. The gear III is sleeved on the outer periphery of the first end of the connecting shaft II. After the second end of the connecting shaft II enters the crushing chamber through the rear side wall of the box body, it is rotatably connected to the front side wall of the box body. The crushing part I is sleeved on the connecting shaft I and is located in the crushing chamber. The crushing part II is sleeved on the connecting shaft II and is located in the crushing chamber. The crushing part I and the crushing part II are respectively coaxially connected to the connecting shaft I and the gear I. Crushing plates are provided on both the left and right sides of the crushing chamber. Baffle plates are provided on both the front and rear sides of the crushing chamber. The baffle plates abut against both ends of the crushing part I and the crushing part II.

[0010] Preferably, the crushing part I and the crushing part II are cylindrical crushing parts, and a plurality of convex crushing blocks with the same spacing are arrayed on the outer periphery. Moreover, the convex crushing blocks of the crushing part I and the crushing part II are arranged staggeredly. A plurality of convex crushing blocks with the same spacing as those of the crushing part I and the crushing part II are arrayed on the crushing plate. Moreover, the convex crushing blocks of the crushing plate are respectively arranged staggeredly with the convex crushing blocks of the crushing part I and the crushing part II.

[0011] Preferably, the vibrating screen includes a screen plate I. A plurality of screen holes I with the same spacing are provided on the screen plate I. Paired sliding plates are respectively provided on the left and right sides of the screen plate I. A spring fixing block is provided below the sliding plate. A spring I is installed inside the spring fixing block. Column-shaped grooves penetrating in the same direction as the screen holes I are provided on both the front and rear sides of the screen plate I.

[0012] Preferably, the discharging mechanism further includes a gear IV. Gears IV are provided below both the gear I and the gear II. Each gear IV meshes with the gear I and the gear II respectively. The gear IV is sleeved on the first end of the connecting shaft III. The second end of the connecting shaft III passes through the rear side wall of the box body and enters the interior of the crushing chamber, and is coaxially connected to the rotating disk. Column-shaped clamping blocks are provided on the rotating disk. A vibrating part is provided on the front side of the rotating disk. A clamping groove is provided in the upper part of the vibrating part, a limiting block is provided in the middle part, and a column-shaped rod is provided in the lower part. The column-shaped clamping block of the rotating disk is slidably installed in the clamping groove of the vibrating part. The column-shaped rod of the vibrating part is slidably installed in the column-shaped groove of the vibrating screen. The sliding plates on both sides of the vibrating screen are slidably installed in the sliding cavity. The spring fixing block and the spring support block I are connected by the spring I.

[0013] Preferably, the return material mechanism further includes a return material motor, which is fixedly installed above the fixed frame. The output end of the return material motor is fixedly connected to the first end of the connecting shaft Ⅳ. The second end of the connecting shaft Ⅳ passes through the second gap groove and enters the return material cavity, and is fixedly connected to the spiral return material shaft. A transmission part is arranged in the second gap groove. The transmission part includes a pair of pulleys and a synchronous belt for connecting the two pulleys. The two pulleys are coaxially connected to the connecting shaft Ⅳ and the connecting shaft Ⅴ respectively. The first end of the connecting shaft Ⅴ is rotatably installed on the fixed frame. The second end of the connecting shaft Ⅴ passes through the second gap groove and enters the return material cavity, and is fixedly connected to the spiral return material shaft. The return material mechanisms are arranged in pairs and the rotation directions of the spiral return material shafts in the opposite directions are different.

[0014] Preferably, the sorting screen includes a slanted screen plate Ⅱ. A plurality of screen holes Ⅱ with the same spacing are provided on the screen plate Ⅱ. Fixing plates are arranged on both sides of the screen plate Ⅱ. A plurality of sliders are provided on the outer sides of the fixing plates. Spring support blocks Ⅱ are provided at the top and bottom of the sliders. The outer diameter size of the spring support blocks Ⅱ is the same as the inner diameter size of the annular block of the frame. A spring Ⅱ is sleeved outside the spring support blocks Ⅱ and the annular block. A horizontal platform is provided at the top of the screen plate Ⅱ. The two ends of the horizontal platform are in contact with the frame. A chamfer is provided at the bottom of the screen plate Ⅱ.

[0015] Preferably, the collection mechanism includes a collection box Ⅰ and a collection box Ⅱ. The collection box Ⅰ is arranged below the working box and installed on the frame. A collection box Ⅱ is provided on the side of the collection box Ⅰ. The collection box Ⅱ is installed on the frame and baffles are provided on both sides of the collection box Ⅱ. Inclined surfaces are provided inside both the collection box Ⅰ and the collection box Ⅱ, and a discharge port is provided at the bottom.

[0016] The beneficial effects of the present utility model are as follows. The present utility model is provided with a crushing mechanism. By using gear transmission, the large vanadium-nitrogen alloy particles entering the working box are crushed into small particles through the convex crushing blocks arranged alternately between the two crushing parts and between the crushing parts and the crushing plate, facilitating subsequent screening and packaging. An unloading mechanism is provided. By using the meshing transmission of gears and the cooperation between the vibrating part and the rotating disk, a force that causes vibration is regularly applied to the vibrating screen equipped with springs, facilitating the vibrating screen to screen the small particles crushed by the crushing mechanism, screening the particles that meet the particle size requirements to the next process, and ensuring the particle size requirements of the vanadium-nitrogen alloy particles during packaging. At the same time, the vanadium-nitrogen alloy particles that do not meet the particle size requirements are sent to the bottom of the return mechanism by vibration. By the rotation of the spiral return shaft, the particles are sent above the crushing mechanism again for re-crushing. Multiple return mechanisms are provided and are connected by belt transmission, which can not only ensure the full crushing of the large vanadium-nitrogen alloy particles that do not meet the particle size requirements but also ensure the working efficiency of the return mechanism, saving time. A screening mechanism is provided. The gravity of the falling vanadium-nitrogen alloy particles gives a force that causes vibration to the sorting screen equipped with springs. When the sorting screen vibrates, the vanadium-nitrogen alloy particles with small particle sizes and those with large particle sizes are separately collected, facilitating the subsequent sub-packaging and inspection of particles with different particle sizes. A baffle plate is provided to prevent the vanadium-nitrogen alloy from contacting the unloading mechanism during crushing, affecting the operation of the unloading mechanism. A baffle is provided to prevent the vanadium-nitrogen alloy particles from spilling outside the collection box when falling. The present utility model is provided with multiple mechanisms working together, which can quickly crush the vanadium-nitrogen alloy to the required particle size, ensuring the adequacy of crushing. At the same time, crushing and screening are carried out simultaneously, improving the working efficiency, saving working time, and having a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of an embodiment of the present utility model.

[0018] Figure 2 It is a schematic perspective view of an embodiment of the present utility model from a perspective direction;

[0019] Figure 3 It is a schematic internal structure view of the working box of the present utility model;

[0020] Figure 4 It is a rear view of the working box of the present utility model;

[0021] Figure 5 It is a schematic structural view of the crushing mechanism of an embodiment of the present utility model;

[0022] Figure 6 It is a sectional view of the internal part structure of the working box of the present utility model;

[0023] Figure 7Structural schematic diagram of the vibrating screen of the present utility model;

[0024] Figure 8 Structural schematic diagram of the sorting screen of the present utility model;

[0025] Reference numerals in the attached drawings: 1 - frame; 2 - working box; 201 - box body; 202 - motor mounting frame; 203 - crushing chamber; 204 - fixing frame; 205 - return material chamber; 206 - feed inlet; 207 - sliding chamber; 208 - spring support block I; 3 - crushing motor; 4 - connecting shaft I; 5 - gear I; 6 - gear II; 7 - gear III; 8 - connecting shaft II; 9 - crushing part I; 10 - crushing part II; 11 - gear IV; 12 - connecting shaft III; 13 - rotating disk; 14 - vibrating part; 15 - crushing plate; 16 - vibrating screen; 1601 - screen plate I; 1602 - screen hole I; 1603 - sliding plate; 1604 - spring fixing block; 1605 - cylindrical groove; 17 - spring I; 18 - return material motor; 19 - connecting shaft IV; 20 - connecting shaft V; 21 - spiral return material shaft; 22 - belt pulley; 23 - synchronous belt; 24 - baffle plate; 25 - sorting screen; 2501 - screen plate II; 2502 - screen hole II; 2503 - fixing plate; 2504 - slider; 2505 - spring support block II; 26 - spring II; 27 - collection box I; 28 - collection box II; 29 - baffle. Detailed implementation manners

[0026] For a further understanding of the purpose, structure, features and functions of the present utility model, the following is a detailed description in conjunction with embodiments.

[0027] As Figures 1 - 8A vanadium-nitrogen alloy crushing and screening integrated equipment as shown, includes a frame 1. A placing rack is provided below the frame 1. A support plate is provided on the frame 1. A sliding groove is provided on the support plate. A support frame is provided on the top of the support plate. A working box 2 is provided on the top of the frame 1. A crushing mechanism is provided inside the working box 2. The crushing mechanism includes a meshing gear I 5 and gear III 7 and a cooperating crushing part I 9 and crushing part II 10. The gear I 5 and gear III 7 are both installed on the outer side wall of the working box 2. Crushing plates 15 are provided on both sides of the crushing part I 9 and crushing part II 10. A plurality of convex crushing blocks are provided on the crushing part I 9, crushing part II 10 and the crushing plates 15. Return material mechanisms are provided on both sides of the crushing mechanism. The return material mechanisms include a conveying part and a spiral return material shaft 21. The conveying part is installed on the working box 2. The conveying part is connected to the spiral return material shaft 21 through a connecting shaft IV 19 and a connecting shaft V 20. The spiral return material shaft 21 is located on both sides inside the working box 2. An unloading mechanism is provided below the crushing mechanism. The unloading mechanism includes a vibrating screen 16, a spring I 17 and a vibrating part for driving the vibrating screen 16 to vibrate. The vibrating screen 16 is slidably installed inside the working box 2 and is connected to the inner bottom end of the working box 2 through the spring I 17. The vibrating part is connected to the gear I 5 and gear II 6. A screening mechanism is provided below the unloading mechanism. The screening mechanism includes a sorting screen 25. The sorting screen 25 is slidably installed on the support plate of the frame 1. The sorting screen 25 is connected to the sliding groove of the frame 1 through a spring II 26. A collecting mechanism is provided below the screening mechanism. The collecting mechanism is installed on the placing rack of the frame 1.

[0028] A plurality of placing racks are provided below the frame 1 for placing the collecting mechanism. A plurality of support plates are provided on the front and rear sides of the frame 1. Each support plate is provided with a sliding groove for the screening mechanism to slide. Columnar blocks are provided at the top and bottom of the sliding groove. The outer ends of the columnar blocks are sleeved with spring II 26. A support frame is provided on the top of the support plate for placing and supporting the working box 2.

[0029] As Figure 3 , Figure 4As shown, the working box 2 includes a box body 201. A motor mounting bracket 202 is provided on the rear side wall of the box body 201 for mounting the crushing motor 3. A first clearance groove is provided between the motor mounting bracket 202 and the rear side wall of the box body 201. A crushing chamber 203 is provided inside the box body 201, and the inside of the crushing chamber 203 is used for mounting a crushing mechanism. Fixed brackets 204 are provided on both sides of the top of the box body 201, and above the fixed brackets 204 is used for mounting the return material motor 18 of the return material mechanism. A second clearance groove is provided between the fixed brackets 204 and the top end of the box body 201, and the inside of the second clearance groove is used for mounting the conveying part of the return material mechanism. Paired return material chambers 205 are respectively provided on both sides of the crushing chamber 203. A feed inlet 206 is provided below the return material chamber 205, and the inside of the return material chamber 205 is used for mounting the spiral return material shaft 21 of the return material mechanism. Vanadium-nitrogen alloy particles that do not meet the particle size requirements can enter the return material chamber 205 through the feed inlet 206. A sliding chamber 207 is provided below the return material chamber 205. A spring support block I 208 is provided at the bottom of the sliding chamber 207. The vibrating screen 16 is slidably mounted inside the sliding chamber 207. A spring I 17 is sleeved on the outer periphery of the spring support block I 208 and the spring I 17 is connected to the vibrating screen 16.

[0030] As Figure 5 、 Figure 6As shown, the crushing mechanism further includes a crushing motor 3, which is fixedly installed on the motor mounting bracket 202. The output end of the crushing motor 3 is fixedly connected to the first end of the connecting shaft I 4. After the second end of the connecting shaft I 4 enters the crushing chamber 203 through the rear side wall of the box body 201, it then passes through the front side wall of the box body 201 and is coaxially connected to the gear II 6. The gear I 5 is sleeved on the connecting shaft I 4 and is located in the first gap groove. The gear I 5 is coaxially connected to the connecting shaft I 4. The gear I 5 meshes with the gear III 7 and the horizontal heights of their central axes are the same. The gear III 7 is sleeved on the outer periphery of the first end of the connecting shaft II 8. After the second end of the connecting shaft II 8 enters the crushing chamber 203 through the rear side wall of the box body 201, it is rotatably connected to the front side wall of the box body 201. The crushing part I 9 is sleeved on the connecting shaft I 4 and is located in the crushing chamber 203. The crushing part II 10 is sleeved on the connecting shaft II 8 and is located in the crushing chamber 203. The crushing part I 9 and the crushing part II 10 are respectively coaxially connected to the connecting shaft I 4 and the gear I 5. Crushing plates 15 are provided on both the left and right sides of the crushing chamber 203. The crushing part I 9 and the crushing part II 10 are cylindrical crushing parts, and a plurality of convex crushing blocks with the same spacing are arrayed on the outer periphery. Moreover, the convex crushing blocks of the crushing part I 9 and the crushing part II 10 are arranged staggeredly. A plurality of convex crushing blocks with the same spacing as those of the crushing part I 9 and the crushing part II 10 are arrayed on the crushing plate 15. Moreover, the convex crushing blocks of the crushing plate 15 are respectively arranged staggeredly with the convex crushing blocks of the crushing part I 9 and the crushing part II 10. The rotation of the crushing part I 9 and the crushing part II 10 can crush the vanadium-nitrogen alloy entering the crushing chamber 203 into small particles. At the same time, when the vanadium-nitrogen alloy falls at the gap between the crushing part I 9 and the crushing part II 10 and the crushing plate 15, the vanadium-nitrogen alloy can also be crushed into small particles through the cooperation between the convex crushing blocks of the crushing plate 15 and the convex crushing blocks of the crushing part I 9 and the crushing part II 10; baffle plates 24 are provided on both the front and rear sides of the crushing chamber 203. The baffle plates 24 abut against both ends of the crushing part I 9 and the crushing part II 10 to prevent the vanadium-nitrogen alloy particles from falling onto the vibrating part of the discharging mechanism after entering the crushing chamber 203, thereby affecting the operation of the vibrating part; when crushing work needs to be carried out, the crushing motor 3 starts to work and drives the connecting shaft I 4 and the gear I 5 to rotate, so that the crushing part I 9 rotates. Since the gear I 5 meshes with the gear III 7, the gear III 7 drives the connecting shaft II 8 to rotate, and then the crushing part II 10 rotates. Through the rotation of the crushing part I 9 and the crushing part II 10, the vanadium-nitrogen alloy entering the crushing chamber 203 is crushed.

[0031] As Figure 7As shown, the vibrating screen 16 includes a sieve plate I 1601, on which a plurality of sieve holes I 1602 with the same spacing are provided for sorting small vanadium-nitride alloy particles that meet the requirements. On the left and right sides of the sieve plate I 1601, paired sliding plates 1603 are respectively provided. Below the sliding plates 1603, spring fixing blocks 1604 are provided, and a spring I 17 is installed inside the spring fixing blocks 1604. On the front and rear sides of the sieve plate I 1601, through cylindrical grooves 1605 in the same direction as the sieve holes I 1602 are provided.

[0032] As Figure 4 , Figure 6 shown, the discharging mechanism further includes a gear IV 11. Below both the gear I 5 and the gear II 6, a gear IV 11 is provided. Each gear IV 11 meshes with the gear I 5 and the gear II 6 respectively. The gear IV 11 is sleeved on the first end of the connecting shaft III 12. The second end of the connecting shaft III 12 passes through the rear side wall of the box body 201 and enters the inside of the crushing chamber 203, and is coaxially connected with the rotating disk 13. The rotating disk 13 is provided with cylindrical clamping blocks. On the front side of the rotating disk 13, a vibrating member 14 is provided. On the upper part of the vibrating member 14, a clamping groove is provided. In the middle of the vibrating member 14, a limiting block is provided. On the lower part of the vibrating member 14, a cylindrical rod is provided. The cylindrical clamping blocks of the rotating disk 13 are slidably installed in the clamping groove of the vibrating member 14. The cylindrical rod of the vibrating member 14 is slidably installed in the cylindrical groove 1605 of the vibrating screen 16. The limiting block of the vibrating member 14 contacts the upper part of the vibrating screen 16 and gives a downward force to the vibrating screen 16 after the vibrating member 14 descends, so that the vibrating screen 16 vibrates, and the small vanadium-nitride alloy particles falling on the vibrating screen 16 are screened by vibration. Those meeting the particle size requirements fall through the sieve holes I 1602 onto the lower screening mechanism below. The sliding plates 1603 on both sides of the vibrating screen 16 are slidably installed in the sliding cavity 207. The spring fixing block 1604 and the spring support block I 208 are connected by the spring I 17. During the vibration of the vibrating screen 16, the spring I 17 can ensure that the vibrating screen 16 vibrates multiple times and plays a role in buffering and protecting, avoiding the sliding plates 1603 touching the bottom of the sliding cavity 207 and causing damage to the vibrating screen 16; when the crushing mechanism is working, the gear I 5 and the gear II 6 drive the gear IV 11 to rotate, and then drive the connecting shaft III 12 to rotate. The connecting shaft III 12 drives the rotating disk 13 to rotate. Since the cylindrical clamping blocks of the rotating disk 13 are slidably installed in the clamping groove of the vibrating member 14, during the rotation of the rotating disk 13, the vibrating member 14 will do a lifting motion. The cylindrical rod at the lower part of the vibrating member 14 is used as a guide. During the lifting process, the limiting block of the vibrating member 14 continuously hits the upper part of the vibrating screen 16, making the vibrating screen 16 vibrate, thereby realizing the screening of vanadium-nitride alloy particles.

[0033] As Figure 6As shown, the return material mechanism further includes a return material motor 18. The return material motor 18 is fixedly installed above the fixed frame 204. The output end of the return material motor 18 is fixedly connected to the first end of the connecting shaft IV 19. The second end of the connecting shaft IV 19 passes through the second gap groove and enters the return material chamber 205, and is fixedly connected to the spiral return material shaft 21. A transmission part is arranged in the second gap groove. The transmission part includes a pair of pulleys 22 and a synchronous belt 23 for connecting the two pulleys 22. The two pulleys 22 are coaxially connected to the connecting shaft IV 19 and the connecting shaft V 20 respectively. The first end of the connecting shaft V 20 is rotatably installed on the fixed frame 204. The second end of the connecting shaft V 20 passes through the second gap groove and enters the return material chamber 205, and is fixedly connected to the spiral return material shaft 21. By the rotation of the spiral return material shaft 21, the vanadium-nitrogen alloy particles that do not meet the particle size requirements and enter the return material chamber 205 can be conveyed to the top of the crushing chamber 203 for further crushing; the return material mechanisms are arranged in pairs and the rotation directions of the spiral return material shafts 21 in opposite directions are different.

[0034] As Figure 8 shown, the sorting screen 25 includes an inclined screen plate II 2501. A plurality of screen holes II 2502 with the same spacing are provided on the screen plate II 2501 for distinguishing vanadium-nitrogen alloy particles of different particle sizes. Fixed plates 2503 are arranged on both sides of the screen plate II 2501. A plurality of sliders 2504 are arranged outside the fixed plates 2503. Spring support blocks II 2505 are arranged at the top and bottom of the sliders 2504. The outer diameter of the spring support blocks II 2505 is the same as the inner diameter of the annular block of the frame 1. A spring II 26 is sleeved outside the spring support blocks II 2505 and the annular block. A horizontal platform is arranged at the top of the screen plate II 2501. The two ends of the horizontal platform are in contact with the frame 1. A chamfer is arranged at the bottom of the screen plate II 2501 to facilitate the sliding of the vanadium-nitrogen alloy particles; when the sorted vanadium-nitrogen alloy particles that meet the particle size fall from the discharging mechanism onto the sorting screen 25, due to the impact of the falling material, the sorting screen 25 vibrates under the action of the spring II 26. The vanadium-nitrogen alloy particles with a particle size smaller than the inner diameter of the screen holes II 2502 fall through the screen holes II 2502, and the vanadium-nitrogen alloy particles with a particle size larger than the inner diameter of the screen holes II 2502 continue to fall along the screen plate II 2501.

[0035] As Figure 1 、 Figure 2As shown in the figure, the collection mechanism includes collection box I 27 and collection box II 28. Collection box I 27 is arranged below the working box 2 and installed on the frame 1. Collection box II 28 is arranged on the side of collection box I 27. Collection box II 28 is installed on the frame 1 and baffles 29 are arranged on both sides of collection box II 28 to prevent vanadium-nitrogen alloy particles from spilling out after slipping off the sorting screen 25. Inclined surfaces are provided inside both collection box I 27 and collection box II 28, and discharge ports are provided at the bottom. Collection box I 27 is used to collect vanadium-nitrogen alloy particles with small particle sizes, and collection box II 28 is used to collect vanadium-nitrogen alloy particles with large particle sizes.

[0036] The present utility model has been described by the above related embodiments. However, the above embodiments are only examples for implementing the present utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the present utility model. On the contrary, modifications and refinements made without departing from the spirit and scope of the present utility model fall within the scope of patent protection of the present utility model.

Claims

1. An integrated vanadium-nitrogen alloy crushing and screening equipment, including a frame, characterized in that: A placement rack is provided below the frame, and a support plate is provided above. A sliding groove is provided on the support plate, and a support frame is provided at the top of the support plate; A working box is provided on the top of the frame. A crushing mechanism is provided inside the working box. The crushing mechanism includes a gear I and a gear III that mesh with each other, and a crushing part I and a crushing part II that cooperate with each other. The gear I and the gear III are both installed on the outer side wall of the working box. Crushing plates are provided on both sides of the crushing part I and the crushing part II. A plurality of convex crushing blocks are provided on the crushing part I, the crushing part II, and the crushing plates; Returning material mechanisms are provided on both sides of the crushing mechanism. The returning material mechanism includes a conveying part and a spiral returning material shaft. The conveying part is installed on the working box. The conveying part and the spiral returning material shaft are connected by a connecting shaft IV and a connecting shaft V. The spiral returning material shaft is located on both sides inside the working box. An unloading mechanism is provided below the crushing mechanism. The unloading mechanism includes a vibrating screen, a spring I, and a vibrating part that drives the vibrating screen to vibrate. The vibrating screen is slidably installed inside the working box and is connected to the bottom end inside the working box by the spring I. The vibrating part is connected to the gear I and the gear II; A screening mechanism is provided below the unloading mechanism. The screening mechanism includes a sorting screen. The sorting screen is slidably installed on the support plate of the frame. The sorting screen is connected to the sliding groove of the frame by a spring II; A collecting mechanism is provided below the screening mechanism. The collecting mechanism is installed on the placement rack of the frame.

2. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: A plurality of placement racks are provided below the frame. A plurality of support plates are provided on both the front and rear sides of the frame. Each support plate is provided with a sliding groove. Columnar blocks are provided at the top and bottom of the sliding groove. A spring II is sleeved on the outer end of the columnar block. A support frame is provided at the top of the support plate.

3. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The working box includes a box body. A motor mounting frame is provided on the rear side wall of the box body. A first clearance groove is provided between the motor mounting frame and the rear side wall of the box body. A crushing cavity is provided inside the box body. Fixed frames are provided on both sides of the top of the box body. A second clearance groove is provided between the fixed frame and the top end of the box body. Pairwise returning material cavities are provided on both sides of the crushing cavity. A feed port is provided at the lower part of the returning material cavity. A sliding cavity is provided below the returning material cavity. A spring support block I is provided at the bottom of the sliding cavity. A vibrating screen is slidably installed inside the sliding cavity. A spring I is sleeved on the outer circumference of the spring support block I, and the spring I is connected to the vibrating screen.

4. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The crushing mechanism further includes a crushing motor fixedly installed on the motor mounting frame. The output end of the crushing motor is fixedly connected to the first end of the connecting shaft I. After the second end of the connecting shaft I enters the crushing chamber through the rear side wall of the box body, it then passes through the front side wall of the box body and is coaxially connected to the gear II. The gear I is sleeved on the connecting shaft I and is located in the first gap groove. The gear I is coaxially connected to the connecting shaft I. The gear I meshes with the gear III and the horizontal heights of their central axes are the same. The gear III is sleeved on the outer periphery of the first end of the connecting shaft II. After the second end of the connecting shaft II enters the crushing chamber through the rear side wall of the box body, it is rotatably connected to the front side wall of the box body. The crushing member I is sleeved on the connecting shaft I and is located in the crushing chamber. The crushing member II is sleeved on the connecting shaft II and is located in the crushing chamber. The crushing member I and the crushing member II are respectively coaxially connected to the connecting shaft I and the gear I. Crushing plates are provided on both the left and right sides of the crushing chamber. Baffle plates are provided on both the front and rear sides of the crushing chamber. The baffle plates abut against both ends of the crushing member I and the crushing member II.

5. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 4, characterized in that: The crushing member I and the crushing member II are cylindrical crushing members, and a plurality of convex crushing blocks with the same spacing are arrayed on the outer periphery. Moreover, the convex crushing blocks of the crushing member I and the crushing member II are arranged staggeredly. A plurality of convex crushing blocks with the same spacing as those of the crushing member I and the crushing member II are arrayed on the crushing plate, and the convex crushing blocks of the crushing plate are respectively arranged staggeredly with the convex crushing blocks of the crushing member I and the crushing member II.

6. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, wherein: The vibrating screen includes a screen plate I. A plurality of screen holes I with the same spacing are provided on the screen plate I. Paired sliding plates are respectively provided on both the left and right sides of the screen plate I. A spring fixing block is provided below the sliding plate. A spring I is installed inside the spring fixing block. Column-shaped grooves penetrating in the same direction as the screen holes I are provided on both the front and rear sides of the screen plate I.

7. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The discharging mechanism further includes a gear IV. The gear IV is provided below both the gear I and the gear II. Each gear IV meshes with the gear I and the gear II respectively. The gear IV is sleeved on the first end of the connecting shaft III. The second end of the connecting shaft III passes through the rear side wall of the box body and enters the interior of the crushing chamber, and is coaxially connected to the rotating disk. Column-shaped clamping blocks are provided on the rotating disk. A vibrating member is provided on the front side of the rotating disk. A clamping groove is provided in the upper part of the vibrating member, a limiting block is provided in the middle part, and a column-shaped rod is provided in the lower part. The column-shaped clamping block of the rotating disk is slidably installed in the clamping groove of the vibrating member. The column-shaped rod of the vibrating member is slidably installed in the column-shaped groove of the vibrating screen. The sliding plates on both sides of the vibrating screen are slidably installed in the sliding cavity. The spring fixing block and the spring support block I are connected by the spring I.

8. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The material return mechanism further includes a material return motor, which is fixedly installed above the fixed frame. The output end of the material return motor is fixedly connected to the first end of the connecting shaft IV. The second end of the connecting shaft IV passes through the second gap groove and enters the material return cavity, and is fixedly connected to the spiral material return shaft. A transmission part is arranged in the second gap groove. The transmission part includes a pair of belt pulleys and a synchronous belt for connecting the two belt pulleys. The two belt pulleys are coaxially connected to the connecting shaft IV and the connecting shaft V respectively. The first end of the connecting shaft V is rotatably installed on the fixed frame. The second end of the connecting shaft V passes through the second gap groove and enters the material return cavity, and is fixedly connected to the spiral material return shaft. The material return mechanisms are arranged in pairs and the rotation directions of the spiral material return shafts in opposite directions are different.

9. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The sorting screen includes a slanted screen plate II, on which a plurality of screen holes II with the same spacing are provided. Fixed plates are arranged on both sides of the screen plate II. A plurality of sliders are provided on the outer sides of the fixed plates. Spring support blocks II are provided at the top and bottom of the sliders. The outer diameter dimension of the spring support block II is the same as the inner diameter dimension of the annular block of the machine frame. Springs II are sleeved on the outer sides of the spring support block II and the annular block. A horizontal platform is provided at the top of the screen plate II, and both ends of the horizontal platform abut against the machine frame. A chamfer is provided at the bottom of the screen plate II.

10. The integrated vanadium-nitrogen alloy crushing and screening equipment according to claim 1, characterized in that: The collection mechanism includes a collection box I and a collection box II. The collection box I is arranged below the working box and installed on the machine frame. A collection box II is provided on the side of the collection box I. The collection box II is installed on the machine frame and baffles are provided on both sides of the collection box II. Inclined surfaces are provided inside both the collection box I and the collection box II, and a discharge port is provided at the bottom.

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