Screening device for tungsten steel machining

Abstract

The utility model relates to the technical field of tungsten steel processing, and discloses a screening device for tungsten steel processing, which comprises a fixed frame serving as a part center, a screening box capable of moving left and right through a chute mechanism is arranged on the inner side of the fixed frame, and the screening box is used for screening tungsten steel powder. The rear side of the screening and filtering box is connected with the exterior of the transmission shaft through a transmission assembly, the top of the U-shaped plate is fixedly connected with a motor, and the driving end of the motor is connected with the top of the transmission shaft; and one side of the U-shaped plate is rotationally connected with a transmission shaft, and the other side of the U-shaped plate is rotationally connected with a rotating shaft. According to the tungsten steel screening device, the motor drives the transmission shaft and the half gear to rotate, and the half gear drives the movable frame to reciprocate left and right, so that the screening box is driven to reciprocate left and right to screen tungsten steel; the transmission shaft drives the rotating shaft and the shifting plate to rotate through the first belt pulley, the second belt pulley and the belt, tungsten steel can be shifted, and the tungsten steel screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tungsten steel processing, in particular to a screening device for tungsten steel processing. Background Technique

[0002] Tungsten steel, also known as cemented carbide, is a sintered composite material composed of at least one metal carbide; the raw material of tungsten steel (tungsten steel powder) is in powder form before forming. There are roughly two ways to form tungsten steel powder metallurgy products: tungsten steel pressing forming and tungsten steel injection molding. Tungsten steel pressing forming: dry powder is filled into a forming die and formed by external pressure; tungsten steel pressing forming requires uniform packing density and good fluidity of tungsten steel powder, so it is necessary to screen the tungsten steel powder.

[0003] After retrieval, a screening device for tungsten steel processing with the publication number CN218872359U, which relates to the technical field of tungsten steel processing, includes a screening frame and a connecting component; Screening frame: a tungsten steel screening component is installed at the upper end inside, an extrusion component is installed on the left side inside the screening frame, a tungsten steel storage component is installed inside the screening frame, and a tungsten steel crushing component is installed on the lower side of the screening frame; Connecting component: includes a connecting frame, a sliding rod and a spring. The connecting frame is located at the upper end inside the screening frame. Two corresponding sliding holes are opened on the right side of the connecting frame. A sliding rod is slidably connected inside the sliding hole. Both sliding rods are fixed inside the screening frame. A spring is sleeved on the circumferential surface of the sliding rod. The left end of the spring is fixed on the right side of the connecting frame, which can automatically screen tungsten steel powder, and can reprocess large-particle tungsten steel powder to improve the production efficiency of tungsten steel;

[0004] Based on the above patent, the tungsten steel is screened by the left and right movement of the screening component, but the screening placement is relatively simple and the screening efficiency needs to be improved. Content of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a screening device for tungsten steel processing is proposed, which can effectively improve the screening efficiency of tungsten steel, classify and discharge and collect the screened products, and save costs.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A screening device for tungsten steel processing, including:

[0008] A fixed frame as the center of the component, a screening box that can move left and right through a chute mechanism is arranged inside the fixed frame for screening tungsten steel powder, and the rear side of the screening box is connected to the outside of the transmission shaft through a transmission component;

[0009] U-shaped plate, one side of the U-shaped plate is rotatably connected to a transmission shaft, the top of the U-shaped plate is fixedly connected to a motor, and the driving end of the motor is connected to the top of the transmission shaft. The other side of the U-shaped plate is rotatably connected to a rotating shaft, and the rotating shaft and the transmission shaft are connected by a pulley assembly. The lower end of the rotating shaft is fixedly connected to a material distributing plate, and the lower side of the material distributing plate is in contact with the top of the screening box.

[0010] Collection hopper, the bottom of the collection hopper is fixedly connected with a discharge pipe for discharging the tungsten steel collected by the collection hopper, and the rear end of the discharge pipe is connected to the lower end of the transmission shaft through a gear assembly.

[0011] Further, the chute mechanism includes a movable groove and an L-shaped plate slidably connected inside the movable groove. The movable groove is opened on the front and rear sides of the left and right ends of the fixed frame, and the inner ends of the L-shaped plates are respectively fixedly connected to the outside of the screening box.

[0012] Further, discharge ports are opened at both the left and right ends of the screening box, and diversion plates are arranged on the lower sides of the discharge ports. The outer walls of the diversion plates are connected to the collection hopper.

[0013] Further, the transmission assembly includes a semi-gear fixedly connected to the outer wall of the transmission shaft. The outer side of the semi-gear is meshed with a movable frame. The rear end of the movable frame is slidably connected to a slide rail, and the rear side of the slide rail is fixedly connected to the front side of the U-shaped plate. The front side of the movable frame is fixedly connected to a connecting block, and the front end of the connecting block is fixedly connected to the middle of the rear side of the screening box.

[0014] Further, the pulley assembly includes a second pulley fixedly connected to the outer wall of the upper end of the rotating shaft and a first pulley fixedly connected to the outer wall of the upper end of the transmission shaft. The inner sides of the first pulley and the second pulley are connected by a belt.

[0015] Further, the discharge pipe includes a middle shaft rotatably connected in the middle, and a spiral blade is fixedly connected to the outer wall of the middle shaft.

[0016] Further, the gear assembly includes a second bevel gear fixedly connected to the rear side of the middle shaft. The outer side of the second bevel gear is meshed with a first bevel gear, and the upper side of the first bevel gear is fixedly connected to the bottom of the transmission shaft.

[0017] Further, support plates are fixedly connected to the lower sides of the left and right ends of the collection hopper for supporting the operation of the device.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the present utility model, the motor drives the transmission shaft and the half gear to rotate. The half gear drives the movable frame to reciprocate left and right, thereby driving the sieve box to reciprocate left and right to sieve tungsten steel. The transmission shaft drives the rotating shaft and the material pusher to rotate through the first pulley, the second pulley and the belt, which can stir the tungsten steel and improve the efficiency of tungsten steel sieving.

[0020] 2. In the present utility model, the transmission shaft drives the middle shaft and the spiral blade to rotate through the first bevel gear and the second bevel gear, so as to discharge the collected and sieved tungsten steel, which is convenient for collecting tungsten steel. The structure is simple and reasonable, effectively improving the efficiency of tungsten steel sieving and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an overall schematic diagram of a sieving device for tungsten steel processing proposed by the present utility model;

[0022] Figure 2 is a schematic diagram of the collecting hopper of a sieving device for tungsten steel processing proposed by the present utility model;

[0023] Figure 3 is a schematic diagram of the transmission shaft of a sieving device for tungsten steel processing proposed by the present utility model.

[0024] LEGEND DESCRIPTION:

[0025] 1. Fixed frame; 2. Sieve box; 3. U-shaped plate; 4. Rotating shaft; 5. Material pusher; 6. Collecting hopper; 7. Discharge pipe; 8. Movable groove; 9. L-shaped plate; 10. Discharge port; 11. Deflector; 12. Slide rail; 13. Movable frame; 14. Half gear; 15. Connecting block; 16. Transmission shaft; 17. Motor; 18. First pulley; 19. Second pulley; 20. First bevel gear; 21. Middle shaft; 22. Spiral blade; 23. Second bevel gear; 24. Support plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0027] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: A sieving device for tungsten steel processing, characterized in that it includes:

[0028] The fixed frame 1 as the center of the component has movable slots 8 on the front and rear sides of both the left and right ends. L-shaped plates 9 are slidably connected inside the movable slots 8. The inner ends of the L-shaped plates 9 are fixedly connected together with a sieve box 2. The sieve box 2 can slide left and right inside the movable slots 8 through the L-shaped plates 9 for sieving tungsten steel powder. Discharge ports 10 are provided at both the left and right ends of the sieve box 2. Flow guide plates 11 are arranged below the discharge ports 10. The outer walls of the flow guide plates 11 are connected to the collection hopper 6. The sieved tungsten steel is discharged from the discharge ports 10 on both sides. A semi-gear 14 is fixedly connected to the outer wall of the transmission shaft 16. An activity frame 13 is meshed and connected to the outside of the semi-gear 14. The rear end of the activity frame 13 is slidably connected to a slide rail 12. The rear side of the slide rail 12 is fixedly connected to the front side of the U-shaped plate 3. A connection block 15 is fixedly connected to the front side of the activity frame 13. The front end of the connection block 15 is fixedly connected to the middle of the rear side of the sieve box 2;

[0029] By setting the transmission shaft 16 to drive the semi-gear 14 to rotate, the activity frame 13 is driven to move left and right reciprocally through the semi-gear 14, thereby driving the sieve box 2 to move left and right reciprocally to sieve tungsten steel.

[0030] Refer to Figures 1 - 3 , wherein a transmission shaft 16 is rotatably connected to one side of the U-shaped plate 3. A motor 17 is fixedly connected to the top of the U-shaped plate 3, and the driving end of the motor 17 is connected to the top of the transmission shaft 16. A rotating shaft 4 is rotatably connected to the other side of the U-shaped plate 3. A second pulley 19 is fixedly connected to the outer wall of the upper end of the rotating shaft 4. A first pulley 18 is fixedly connected to the outer wall of the upper end of the transmission shaft 16. The inner sides of the first pulley 18 and the second pulley 19 are connected by a belt. A material pushing plate 5 is fixedly connected to the lower end of the rotating shaft 4. The lower side of the material pushing plate 5 is in contact with the top of the sieve box 2;

[0031] The transmission shaft 16 drives the rotating shaft 4 and the material pushing plate 5 to rotate through the first pulley 18, the second pulley 19 and the belt, which can push tungsten steel and improve the efficiency of tungsten steel sieving.

[0032] Refer to Figures 1 - 3 , wherein a discharge pipe 7 is fixedly connected to the bottom of the collection hopper 6 for discharging the tungsten steel collected by the collection hopper 6. The discharge pipe 7 includes a middle shaft 21 rotatably connected in the middle. A spiral blade 22 is fixedly connected to the outer wall of the middle shaft 21. A second bevel gear 23 is fixedly connected to the rear side of the middle shaft 21. A first bevel gear 20 is meshed and connected to the outside of the second bevel gear 23. The upper side of the first bevel gear 20 is fixedly connected to the bottom of the transmission shaft 16. Support plates 24 are fixedly connected to the lower sides of both the left and right ends of the collection hopper 6 for supporting the operation of the device;

[0033] The provided transmission shaft 16 can drive the middle shaft 21 and the spiral blade 22 to rotate through the first bevel gear 20 and the second bevel gear 23, discharging the tungsten steel after screening and collection, facilitating the collection of tungsten steel. The structure is simple and reasonable, effectively improving the efficiency of tungsten steel screening and saving costs.

[0034] Working principle: Place the tungsten steel raw material in the middle on the upper side of the screening box 2. Start the motor 17 to drive the transmission shaft 16 to rotate. Drive the semi-gear 14 to rotate through the transmission shaft 16. The rotating semi-gear 14 can drive the movable frame 13 to reciprocate left and right, thereby driving the screening box 2 to move left and right to screen the tungsten steel. The qualified tungsten steel passes through the screening box 2 and is collected in the discharge pipe 7 through the collection hopper 6. The rotating transmission shaft 16 can drive the first bevel gear 20 to rotate, and drive the middle shaft 21 and the spiral blade 22 to rotate through the cooperation of the first bevel gear 20 and the second bevel gear 23, discharging the collected qualified tungsten steel. The tungsten steel remaining after screening is discharged from the discharge ports 10 on both sides; the provided transmission shaft 16 can drive the rotating shaft 4 to rotate through the second pulley 19, the first pulley 18 and the belt, thereby driving the baffle 5 to rotate. The rotating baffle 5 can drive the tungsten steel on the upper side of the screening box 2 to turn over, improving the speed of tungsten steel screening.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sieve filtering device for tungsten steel processing, characterized in that, Including: A fixed frame (1) as the center of the component. Inside the fixed frame (1), a sieve box (2) that can move left and right through a chute mechanism is provided for sieving tungsten steel powder. The rear side of the sieve box (2) is connected to the outside of a transmission shaft (16) through a transmission component; A U-shaped plate (3). One side of the U-shaped plate (3) is rotatably connected to a transmission shaft (16). The top of the U-shaped plate (3) is fixedly connected to a motor (17), and the driving end of the motor (17) is connected to the top of the transmission shaft (16). The other side of the U-shaped plate (3) is rotatably connected to a rotating shaft (4). A pulley assembly is connected between the rotating shaft (4) and the transmission shaft (16). The lower end of the rotating shaft (4) is fixedly connected to a material pushing plate (5), and the lower side of the material pushing plate (5) is in contact with the top of the sieve box (2); A collecting hopper (6). The bottom of the collecting hopper (6) is fixedly connected to a discharge pipe (7) for discharging the tungsten steel collected by the collecting hopper (6). The rear end of the discharge pipe (7) is connected to the lower end of the transmission shaft (16) through a gear assembly.

2. The sieve filtration device for tungsten steel processing according to claim 1, wherein: The chute mechanism includes a movable groove (8) and an L-shaped plate (9) slidably connected inside the movable groove (8). The movable groove (8) is opened on the front and rear sides of the left and right ends of the fixed frame (1). The inner ends of the L-shaped plates (9) are respectively fixedly connected to the outside of the sieve box (2).

3. A screening device for tungsten steel processing according to claim 1, characterized in that: Discharge ports (10) are opened at both the left and right ends of the sieve box (2). Flow guide plates (11) are arranged on the lower sides of the discharge ports (10). The outer walls of the flow guide plates (11) are connected to the collecting hopper (6).

4. A sieving and filtering device for tungsten steel processing according to claim 1, characterized in that: The transmission component includes a semi-gear (14) fixedly connected to the outer wall of the transmission shaft (16). The outside of the semi-gear (14) is meshed with a movable frame (13). The rear side of the movable frame (13) is slidably connected to a slide rail (12). The rear side of the slide rail (12) is fixedly connected to the front side of the U-shaped plate (3). The front side of the movable frame (13) is fixedly connected to a connecting block (15). The front end of the connecting block (15) is fixedly connected to the middle of the rear side of the sieve box (2).

5. A sieving and filtering device for tungsten steel processing according to claim 1, characterized in that: The pulley assembly includes a second pulley (19) fixedly connected to the outer wall of the upper end of the rotating shaft (4) and a first pulley (18) fixedly connected to the outer wall of the upper end of the transmission shaft (16). The inside of a belt is connected between the first pulley (18) and the second pulley (19).

6. A screening and filtering device for tungsten steel processing according to claim 1, characterized in that: The discharge pipe (7) includes a middle shaft (21) rotatably connected in the middle. A spiral blade (22) is fixedly connected to the outer wall of the middle shaft (21).

7. A sieve filtration device for tungsten steel processing according to claim 1, characterized in that: The gear assembly includes a second bevel gear (23) fixedly connected to the rear side of the middle shaft (21). The outside of the second bevel gear (23) is meshed with a first bevel gear (20). The upper side of the first bevel gear (20) is fixedly connected to the bottom of the transmission shaft (16).

8. A screening and filtering device for tungsten steel processing according to claim 1, characterized in that: Support plates (24) are fixedly connected to the lower sides of both the left and right ends of the collecting hopper (6) for supporting the operation of the device.

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