Discharging structure of ultrasonic vibrating screen

Abstract

The utility model relates to a discharging structure of an ultrasonic vibrating screen, the discharging structure of the ultrasonic vibrating screen comprises a discharging block arranged on an ultrasonic body and further comprises an extension mechanism, the extension mechanism comprises a corrugated pipe and a first connecting assembly, and the corrugated pipe is connected with the discharging block through the first connecting assembly. The powder collecting device has the effect of guaranteeing the collecting effect of screened powder.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ultrasonic vibrating screen, and particularly relates to a discharging structure of ultrasonic vibrating screen. BACKGROUND

[0002] After high-purity silver powder is prepared, a screening machine is needed to screen the silver powder to form silver powder of different grades. The screening machine for screening the silver powder is generally an ultrasonic vibrating screen.

[0003] At present, a new type of double-layer ultrasonic vibrating screen is disclosed in Chinese Patent No. CN107855269A, which comprises a screen body, an inlet is arranged at the top of the screen body, an upper screen plate is arranged below the inlet, a return material disc is arranged below the upper screen plate, a lower screen plate is arranged below the return material disc, and an umbrella-shaped cap is arranged below the lower screen plate; an upper discharge port is arranged on one side of the screen frame corresponding to the upper screen plate, a lower discharge port is arranged on one side of the screen frame corresponding to the lower screen plate, and a bottom discharge port is arranged on one side of the screen frame corresponding to the umbrella-shaped cap; and a vibration exciter is arranged at the lower part of the screen body.

[0004] Because there is a certain distance between the upper discharge port and the ground, there is a certain distance between the upper discharge port and the collecting barrel for collecting the material; when the screened powder flows out of the upper discharge port into the collecting barrel, the powder will be scattered, so that the powder cannot be well collected into the collecting barrel; therefore, the collecting effect is poor. CONTENT

[0005] In order to ensure the collecting effect of the screened powder, the present application provides a discharging structure of ultrasonic vibrating screen.

[0006] The discharging structure of ultrasonic vibrating screen provided by the present application adopts the following technical scheme:

[0007] The discharging structure of ultrasonic vibrating screen comprises a discharging block arranged on the ultrasonic body, and further comprises an extension mechanism, wherein the extension mechanism comprises a bellows and a first connecting assembly, and the bellows is connected with the discharging block through the first connecting assembly.

[0008] By adopting the above technical scheme, the bellows is connected with the discharging block through the first connecting assembly, and then the end of the bellows away from the discharging block is placed into the collecting barrel; the metal powder moving out of the discharging block will enter into the bellows, and then enter into the collecting barrel through the bellows, so as to reduce the phenomenon that the metal powder moving out of the discharging block is scattered outside the collecting barrel; therefore, the extension mechanism can ensure the collecting effect of the screened metal powder.

[0009] Optionally, the bellows is provided with a stabilizing mechanism, the stabilizing mechanism comprising a discharging cylinder and a second connecting assembly, the discharging cylinder being arranged at one end of the bellows away from the discharging block through the second connecting assembly.

[0010] By adopting the above technical scheme, the discharging cylinder is connected at one end of the bellows away from the discharging block through the second connecting assembly, and then the discharging cylinder is placed into the collecting cylinder, so that the phenomenon that the bellows is actively moved out of the collecting cylinder can be reduced under the gravity of the discharging cylinder.

[0011] Optionally, the second connecting assembly comprises adhesive tape, the bellows extends into the discharging cylinder, and the bellows and the discharging cylinder are bonded with the adhesive tape.

[0012] By adopting the above technical scheme, the bellows is first brought into contact with the discharging cylinder, then the adhesive tape is wound around one end of the discharging cylinder close to the bellows, and the adhesive tape is wound around one end of the bellows close to the discharging cylinder; in this way, the bellows and the discharging cylinder can be connected together, and the sealing property when connected together can be ensured.

[0013] Optionally, the second connecting assembly comprises a connecting block and a connecting screw, the connecting block is arranged on the discharging cylinder, and the connecting block is in contact with the inner side wall of the bellows; the connecting screw is threadedly connected with the connecting block through the discharging through hole and the bellows.

[0014] By adopting the above technical scheme, the connecting block is first brought into contact with the inner side wall of the bellows, and the bellows is located between the connecting block and the discharging cylinder, and then the connecting screw is threadedly connected with the connecting block through the discharging cylinder and the bellows, so that the bellows and the discharging cylinder are fixed.

[0015] Optionally, the discharging cylinder comprises a first ring cylinder, a second ring cylinder and a fixing assembly, the first ring cylinder is connected with the bellows through the second connecting assembly; the second ring cylinder is arranged on the first ring cylinder; and the fixing assembly is arranged on the first ring cylinder and connected with the second ring cylinder.

[0016] By adopting the above technical scheme, when the length of the bellows is not long enough, the second ring cylinder is connected with the first ring cylinder through the fixing assembly, the length of the discharging cylinder formed by the first ring cylinder and the second ring cylinder changes, and one end of the second ring cylinder away from the first ring cylinder is located in the collecting cylinder; therefore, the discharging cylinder with variable length can improve the applicability.

[0017] Optionally, the fixing assembly comprises a fixing block and a first fixing screw, the fixing block is arranged on the second ring cylinder, a fixing groove for clamping the fixing block is formed in the first ring cylinder, and the first fixing screw is threadedly connected with the fixing block through the first ring cylinder.

[0018] By adopting the technical scheme, the second ring cylinder with a proper length is selected according to the requirement, then the fixing block on the second ring cylinder is clamped with the fixing groove, and the second ring cylinder abuts against the first ring cylinder; then the first fixing bolt is screwed through the first ring cylinder and the fixing block.

[0019] Optionally, the first ring cylinder is provided with a plugging assembly, the plugging assembly comprises a plugging block and a first spring, the first ring cylinder is provided with a first groove in communication with the fixing groove, the plugging block is slidably arranged in the first groove and can plug the fixing groove; one end of the first spring is connected with the plugging block and the other end is connected with the first ring cylinder; and the plugging block can also be screwed with the first fixing bolt.

[0020] By adopting the technical scheme, when the second ring cylinder does not need to be connected with the first ring cylinder, the first spring is in a normal state, the plugging block plugs the fixing groove, and the phenomenon of metal powder entering the fixing groove is reduced.

[0021] Optionally, the first ring cylinder is provided with a reinforcing mechanism, the reinforcing mechanism comprises a reinforcing block and an adjusting assembly, the reinforcing block is slidably arranged on the first ring cylinder through the adjusting assembly; the reinforcing groove for clamping the reinforcing block is arranged on the plugging block and the fixing block.

[0022] By adopting the technical scheme, when the fixing block is clamped with the fixing groove and the first fixing bolt is screwed with the fixing block, the reinforcing block is moved by the adjusting assembly to clamp the reinforcing groove on the fixing block and the plugging block, thereby improving the stability when the second ring cylinder is connected with the first ring cylinder; and when the reinforcing groove on the reinforcing block is clamped with the plugging block, the stability when the plugging block plugs the fixing groove is improved.

[0023] Optionally, the second ring cylinder is slidably arranged on the first ring cylinder, the sidewall of the first ring cylinder is provided with a sliding groove, and the second ring cylinder is fixedly connected with a sliding block slidably connected in the sliding groove; the fixing assembly comprises a second fixing bolt, and the second fixing bolt is screwed through the second ring cylinder and the first ring cylinder.

[0024] By adopting the technical scheme, when the length of the discharging cylinder needs to be adjusted, the second ring cylinder is moved on the first ring cylinder, the sliding block is slid in the sliding groove and limits the movement path of the second ring cylinder; after the position of the second ring cylinder is determined, the second fixing bolt is screwed through the second ring cylinder and the first ring cylinder.

[0025] Optionally, the second ring cylinder is provided with a positioning assembly, the positioning assembly comprises a positioning ball and a second spring, the second ring cylinder is provided with a second groove, the positioning ball is slidably arranged in the second groove, the first ring cylinder is provided with a positioning slot for clamping the positioning ball, and one end of the second spring is connected with the positioning ball and the other end is connected with the second ring cylinder.

[0026] By adopting the above technical scheme, when the second ring cylinder moves relative to the first ring cylinder, the outer side wall of the first ring cylinder can pressurize the positioning ball, so that the positioning ball is completely located in the second groove, and the second spring is compressed; when the positioning ball is aligned with the positioning slot, the elastic deformation force of the second spring can drive the positioning ball to move and be clamped with the positioning slot; the positioning assembly is arranged to facilitate feedback of the distance of adjustment of the second ring cylinder relative to the first ring cylinder, and facilitate threaded connection of the second fixing bolt with the first ring cylinder.

[0027] In summary, the present application has at least one of the following super beneficial technical effects:

[0028] 1. The extension mechanism is arranged to ensure the collection effect of the screened metal powder.

[0029]

[0029] 2. The length-variable discharge cylinder is arranged to improve the applicability. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 FIG. 1 is a structural schematic view of the discharge structure of the sound wave vibrating screen in Embodiment 1 of the present application;

[0031] Figure 2 FIG. 2 is a structural schematic view of the stabilizing mechanism in Embodiment 1 of the present application;

[0032] Figure 3 FIG. 3 is a structural schematic view of the discharge cylinder in Embodiment 1 of the present application;

[0033] Figure 4 Figure 3 FIG. 4 is an enlarged view of A in FIG. 3;

[0034] Figure 5 FIG. 5 is a structural schematic view of the discharge cylinder in Embodiment 2 of the present application;

[0035] Figure 6 FIG. 6 is a structural schematic view of the positioning assembly in Embodiment 2 of the present application.

[0036] 11, ultrasonic body; 12, discharge block; 2, extension mechanism; 21, bellows; 22, first connecting assembly; 3, stabilizing mechanism; 31, adhesive tape; 32, connecting block; 33, connecting screw; 4, discharge cylinder; 41, first ring cylinder; 411, first groove; 412, sliding groove; 413, positioning groove; 42, second ring cylinder; 421, second groove; 43, fixing assembly; 431, fixing block; 432, first fixing bolt; 44, sliding block; 5, blocking assembly; 51, blocking block; 52, first spring; 6, reinforcing mechanism; 61, reinforcing block; 62, adjusting assembly; 621, rotating shaft; 622, gear; 623, rack; 7, positioning assembly; 71, positioning ball; 72, second spring; 8, collection bucket. DETAILED DESCRIPTION

[0037] The application will be further described below in conjunction with the accompanying drawings. Figures 1-6 The application will be further described below in conjunction with the accompanying drawings.

[0038] The application discloses a discharge structure of an ultrasonic vibrating screen.

[0039] Embodiment 1

[0040] Reference Figure 1 A discharge structure of an ultrasonic vibrating screen, comprising a discharge block 12 fixedly arranged on an ultrasonic body 11, wherein the discharge block 12 is provided with an extension mechanism 2 at an end away from the ultrasonic body 11, and the extension mechanism 2 is provided with a stabilizing mechanism 3.

[0041] Reference Figure 1 And Figure 2 The extension mechanism 2 comprises a bellows 21, one end of the bellows 21 is sleeved on the discharge block 12, the bellows 21 is provided with a first connecting assembly 22, and the first connecting assembly 22 is a hose clamp in this embodiment, and a ring-shaped groove is formed in the discharge block 12, and the hose clamp is located at a position corresponding to the ring-shaped groove.

[0042] Reference Figure 2 And Figure 3 The stabilizing mechanism 3 comprises a discharge cylinder 4, the discharge cylinder 4 comprises a first ring cylinder 41, a connecting block 32 is fixedly arranged in the first ring cylinder 41, a placing cavity is formed between the connecting block 32 and an inner side wall of the first ring cylinder 41, and one end of the bellows 21 away from the discharge block 12 is located in the placing cavity; the first ring cylinder 41 is provided with a connecting screw 33, and the connecting screw 33 is threadedly connected with the connecting block 32 by penetrating through the first ring cylinder 41 and the bellows 21. The first ring cylinder 41 is wound with an adhesive tape 31 at an end close to the bellows 21, and the adhesive tape 31 is also wound on the bellows 21, that is, the bellows 21 and the first connecting cylinder are both connected with the adhesive tape 31.

[0043] Reference Figure 3 And Figure 4The first ring cylinder 41 is provided with a fixing groove at one end away from the connecting block 32. The first ring cylinder 41 is provided with a second ring cylinder 42 at one end away from the connecting block 32. The second ring cylinder 42 is provided with a fixing assembly 43. The fixing assembly 43 comprises a fixing block 431 fixedly connected to the second ring cylinder 42 and engaged with the fixing groove. The first ring cylinder 41 is provided with a first through hole in communication with the fixing groove. The fixing block 431 is provided with a first threaded hole. The first ring cylinder 41 is provided with a first fixing bolt 432. The first fixing bolt 432 is screwed into the first threaded hole of the fixing block 431 through the first through hole of the first ring cylinder 41.

[0044] First, the fixing block 431 of the second ring cylinder 42 is engaged with the fixing groove of the first ring cylinder 41, and the second ring cylinder 42 abuts against the first ring cylinder 41. Then, the first fixing bolt 432 is screwed into the first threaded hole of the fixing block 431 through the first through hole of the first ring cylinder 41.

[0045] Reference Figure 3 and Figure 4 In order to improve the stability of the fixing block 431 on the first ring cylinder 41, the fixing block 431 is provided with a reinforcing mechanism 6. The first ring cylinder 41 is provided with a cavity in communication with the fixing groove. The reinforcing mechanism 6 comprises a reinforcing block 61 slidingly connected in the cavity. The fixing block 431 is provided with a reinforcing groove engaged with the reinforcing block 61. The first ring cylinder 41 is provided with an adjusting assembly 62. The adjusting assembly 62 comprises a rotating shaft 621 rotatably connected to the first ring cylinder 41. The rotating shaft 621 is provided with a gear 622. The gear 622 is located in the cavity. The reinforcing block 61 is provided with a rack 623 engaged with the gear 622.

[0046] When the first fixing bolt 432 is screwed into the first threaded hole of the fixing block 431, the rotating shaft 621 is rotated. The rotating shaft 621 drives the gear 622 to rotate. The gear 622 drives the rack 623 to move. The rack 623 drives the reinforcing block 61 to move. The reinforcing block 61 is engaged with the reinforcing groove of the fixing block 431.

[0047] Reference Figure 3 and Figure 4When the second ring cylinder 42 is not needed to be connected on the first ring cylinder 41, the powder is reduced to enter into the fixed groove, the first ring cylinder 41 is provided with the plugging assembly 5, the first ring cylinder 41 is provided with the first recess 411 which is communicated with the fixed groove, the plugging assembly 5 comprises the plugging block 51 which is slidably connected in the first recess 411; the first recess 411 is provided with the first spring 52, one end of the first spring 52 is connected with the plugging block 51 and the other end is connected with the first ring cylinder 41; when the first spring 52 is in the normal state, the plugging block 51 plugs the first recess 411 on the first ring cylinder 41, and the end face of the plugging block 51 which is away from the one end of the first spring 52 is coplanar with the end face of the first ring cylinder 41 which is away from the one end of the connecting block 32. The first threaded hole and the reinforcing groove are formed in the plugging block 51.

[0048] When the second ring cylinder 42 is not needed to be connected on the first ring cylinder 41, the first spring 52 is in the normal state, and the plugging block 51 plugs the first recess 411; then the first fixed bolt 432 is screwed through the first through hole on the first ring cylinder 41 and the first threaded hole on the plugging block 51; then the reinforcing block 61 is clamped with the reinforcing groove on the plugging block 51 by rotating the rotating shaft 621.

[0049] The implementation principle of the embodiment 1 is that: first, one end of the bellows 21 is sleeved on the discharging block 12, and then the bellows 21 is fixed on the discharging block 12 by the hose clamp. Then the end of the bellows 21 which is away from the discharging block 12 is stretched into the placing cavity formed by the connecting block 32 and the first ring cylinder 41, and then the connecting screw 33 is screwed through the first ring cylinder 41, the bellows 21 and the connecting block 32, and then the adhesive tape 31 is wound around the end of the first ring cylinder 41 which is close to the bellows 21 and the end of the bellows 21 which is close to the first ring cylinder 41. Then the first ring cylinder 41 is placed into the collecting barrel 8, so that the metal powder which moves out of the discharging block 12 will enter into the first ring cylinder 41 through the bellows 21, and then enter into the first ring cylinder 41, and finally enter into the collecting barrel 8.

[0050] When there is still a distance between the first ring cylinder 41 and the collecting barrel 8, first rotate the rotating shaft 621 to make the reinforcing block 61 separate from the reinforcing groove on the blocking block 51; then rotate the first fixing bolt 432 to make the first fixing bolt 432 separate from the first threaded hole on the blocking block 51. Then make the fixing block 431 on the second ring cylinder 42 abut against the blocking block 51 and push the blocking block 51 to move, so that the fixing block 431 is clamped with the fixing groove on the first ring cylinder 41, and the second ring cylinder 42 abuts against the end of the first ring cylinder 41 away from the corrugated pipe 21; then threadedly connect the first fixing bolt 432 with the first threaded hole on the fixing block 431, and then rotate the rotating shaft 621 to make the reinforcing block 61 clamped with the reinforcing groove on the fixing block 431. Finally, place the end of the second ring cylinder 42 away from the first ring cylinder 41 into the collecting barrel 8, and the metal powder in the first ring cylinder 41 will enter the collecting barrel 8 through the second ring cylinder 42.

[0051] Embodiment 2

[0052] Reference Figure 5 The difference from embodiment 1 is that the second ring cylinder 42 is sleeved on the first ring cylinder 41 and slides relative to the first ring cylinder 41. The outer side wall of the first ring cylinder 41 is provided with a sliding groove 412, and the second ring cylinder 42 is integrally provided with a sliding block 44 which is slidably connected with the sliding groove 412.

[0053] The second ring cylinder 42 is provided with a second through hole, and the side wall of the first ring cylinder 41 is provided with a plurality of second threaded holes. The fixing assembly 43 is a second fixing bolt which is threadedly connected with one of the second threaded holes on the first ring cylinder 41 through the second through hole on the second ring cylinder 42.

[0054] Reference Figure 5 And Figure 6 The outer side wall of the first ring cylinder 41 is provided with a plurality of positioning grooves 413, and the inner side wall of the second ring cylinder 42 is provided with a second recess 421. The second ring cylinder 42 is provided with a positioning assembly 7 which includes a positioning ball 71 slidably connected in the second recess 421, and the positioning ball 71 can be clamped with one of the positioning grooves 413. The second recess 421 is provided with a second spring 72, one end of which is connected with the positioning ball 71 and the other end of which is connected with the second ring cylinder 42. When the positioning ball 71 is clamped with one of the positioning grooves 413, the second through hole is aligned with one of the second threaded holes.

[0055] The implementation principle of the embodiment 2 of the application is that the second ring cylinder 42 is caused to slide on the first ring cylinder 41 according to the need, and the sliding block 44 will slide in the sliding groove 412; when the second ring cylinder 42 moves, the side wall of the first ring cylinder 41 will extrude the positioning ball 71, so that the positioning ball 71 is completely located in the second groove 421 of the second ring cylinder 42, and the second spring 72 is in a compressed state; when the position of the second ring cylinder 42 is adjusted, the positioning ball 71 will be aligned with one of the positioning grooves 413, the second spring 72 restores the elastic deformation, and under the action of the elasticity of the second spring 72, the positioning ball 71 will be clamped with the positioning groove 413 on the first ring cylinder 41; and at this time, the second through hole on the second ring cylinder 42 will be aligned with one of the second threaded holes on the first ring cylinder 41, and then the second fixing bolt is screwed through the second through hole on the second ring cylinder 42 and the second threaded hole on the first ring cylinder 41, so as to realize the fixation of the second ring cylinder 42 on the first ring cylinder 41.

[0056] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An outfeed structure of an ultrasonic vibrating screen, comprising an outfeed block (12) arranged on an ultrasonic body (11), characterized in that, Further comprising an extension mechanism (2), the extension mechanism (2) comprises a bellows (21) and a first connecting assembly (22), the bellows (21) is connected with the discharge block (12) through the first connecting assembly (22).

2. The discharge structure of an ultrasonic vibrating screen according to claim 1, wherein, A stabilizing mechanism (3) is arranged on the bellows (21), the stabilizing mechanism (3) comprises a discharge cylinder (4) and a second connecting assembly, the discharge cylinder (4) is arranged on the end of the bellows (21) away from the discharge block (12) through the second connecting assembly.

3. The discharge structure of an ultrasonic vibrating screen according to claim 2, wherein, The second connecting assembly comprises an adhesive tape (31), the bellows (21) extends into the discharge cylinder (4), and the bellows (21) and the discharge cylinder (4) are adhered with the adhesive tape (31).

4. The discharge structure of an ultrasonic vibrating screen according to claim 2, wherein The second connecting assembly comprises a connecting block (32) and a connecting screw (33), the connecting block (32) is arranged on the discharge cylinder (4), and the connecting block (32) abuts against the inner side wall of the bellows (21); the connecting screw (33) is threadedly connected with the connecting block (32) through the discharge cylinder (4) and the bellows (21).

5. The ultrasonic vibrating screen discharge structure according to claim 2, wherein, The discharge cylinder (4) comprises a first ring cylinder (41), a second ring cylinder (42) and a fixing assembly (43), the first ring cylinder (41) is connected with the bellows (21) through the second connecting assembly; the second ring cylinder (42) is arranged on the first ring cylinder (41); and the fixing assembly (43) is arranged on the first ring cylinder (41) and connected with the second ring cylinder (42).

6. The ultrasonic vibrating screen discharge structure according to claim 5, wherein, The fixing assembly (43) comprises a fixing block (431) and a first fixing bolt (432), the fixing block (431) is arranged on the second ring cylinder (42), a fixing groove is formed in the first ring cylinder (41) and engaged with the fixing block (431); and the first fixing bolt (432) is threadedly connected with the fixing block (431) through the first ring cylinder (41).

7. The ultrasonic vibrating screen discharge structure according to claim 6, wherein, A blocking assembly (5) is arranged on the first ring cylinder (41), the blocking assembly (5) comprises a blocking block (51) and a first spring (52), a first recess (411) is formed in the first ring cylinder (41) and communicated with the fixing groove, the blocking block (51) is slidably arranged in the first recess (411) and capable of blocking the fixing groove; one end of the first spring (52) is connected with the blocking block (51) and the other end is connected with the first ring cylinder (41); and the blocking block (51) is also threadedly connected with the first fixing bolt (432).

8. The discharge structure of an ultrasonic vibrating screen according to claim 7, wherein A reinforcing mechanism (6) is arranged on the first ring cylinder (41), the reinforcing mechanism (6) comprises a reinforcing block (61) and an adjusting assembly (62), the reinforcing block (61) is slidably arranged on the first ring cylinder (41) through the adjusting assembly (62); reinforcing grooves are formed in the blocking block (51) and the fixing block (431) and engaged with the reinforcing block (61).

9. The ultrasonic vibrating screen discharge structure of claim 6, wherein, The second ring cylinder (42) is slidingly arranged on the first ring cylinder (41), a sliding groove (412) is arranged on the side wall of the first ring cylinder (41), a sliding block (44) slidingly connected in the sliding groove (412) is fixedly connected to the second ring cylinder (42); the fixing assembly (43) comprises a second fixing bolt, and the second fixing bolt is threadedly connected with the first ring cylinder (41) through the second ring cylinder (42).

10. The discharge structure of an ultrasonic vibrating screen according to claim 9, wherein A positioning assembly (7) is arranged on the second ring cylinder (42), the positioning assembly (7) comprises a positioning ball (71) and a second spring (72), a second groove (421) is arranged on the second ring cylinder (42), the positioning ball (71) is slidingly arranged in the second groove (421), and a positioning groove (413) is arranged on the first ring cylinder (41) and is clamped with the positioning ball (71); one end of the second spring (72) is connected with the positioning ball (71) and the other end is connected with the second ring cylinder (42).

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