Screen structure of vibrating screening machine

Abstract

The utility model discloses a screen structure of a vibrating screening machine, and belongs to the technical field of vibrating screening machines. Comprising a storage box, and a placing frame is arranged above the storage box; a vibration motor is fixedly connected to one side of the placing frame, a sieve plate is arranged in the placing frame, and sieve holes are formed in the sieve plate; a placing groove is formed in the placing frame, and the sieve plate is located in the placing groove; a fixing hole is formed in one side of the sieve plate, and an inserting structure inserted into the fixing hole is arranged in the placing frame; the placing frame is connected with the storage box through a vibration connecting structure; dredging structures corresponding to the sieve holes are arranged below the sieve plate in an up-down sliding mode, and a screw capable of controlling the dredging structures to slide up and down is rotationally arranged on the sieve plate. The sieve plate is fixed through the inserting structure, the sieve plate can be conveniently detached, and therefore the replacement efficiency of the sieve plate is improved; and meanwhile, the dredging structure is directly arranged at the bottom of the sieve plate, powder clamped into sieve holes can be quickly cleaned out, and the cleaning efficiency of the sieve plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model provides a screen structure of vibrating screen powder machine belongs to vibrating screen powder machine technical field. BACKGROUND

[0002] Vibrating screen powder machine is widely used in mining, chemical industry, food, medicine and many other industries, and its main function is to screen materials to remove some caked powder and improve the quality of powder. One of the core components of vibrating screen powder machine is screen, and its structure design directly affects the screening efficiency, screening accuracy and overall performance of the equipment.

[0003] When screening powder materials with the screen, the mesh is easily blocked due to long-term work of the screen, and the powder materials are also easily deposited on the screen. To ensure the normal working efficiency of the screen, the screen needs to be replaced and cleaned regularly. However, the existing screen is usually fixed and installed in the powder screening machine by using threads, which is laborious to disassemble and affects the cleaning efficiency of the screen. Therefore, a new type of screen structure is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is that it is time-consuming and laborious to disassemble when replacing the screen structure of the vibrating screen powder machine, which is not conducive to cleaning the screen.

[0005] To solve the above problems, the utility model provides a screen structure of vibrating screen powder machine, which includes a storage box and a placing frame arranged above the storage box. A vibrating motor is fixedly connected to one side of the placing frame, a screen plate is arranged in the placing frame, and a screen hole is arranged on the screen plate. A placing groove is formed in the placing frame, and the screen plate is located in the placing groove. A fixing hole is formed in one side of the screen plate, and a plug-in structure is arranged in the placing frame and inserted into the fixing hole. The placing frame is connected to the storage box through a vibration connection structure. A dredging structure corresponding to the screen hole is arranged in the screen plate and slides up and down. A screw rod is rotatably arranged on the screen plate and can control the up-and-down sliding of the dredging structure.

[0006] As an improvement, the plug-in structure includes a fixed rod and a retaining ring. A spring groove is formed in the placing frame, the fixed rod is located in the spring groove, and the fixed rod is inserted into the fixing hole. The retaining ring is fixedly sleeved on the fixed rod. A compression spring is arranged in the spring groove and sleeved on the fixed rod, and the compression spring has a reserved compression amount.

[0007] As an improvement, the dredging structure includes a dredging plate and a dredging rod. The dredging plate is located below the screen plate, the dredging rod is fixedly connected to the dredging plate, and the position of the dredging rod corresponds to that of the screen hole. The number of the dredging rod is the same as that of the screen hole.

[0008] As improved, the dredging plate is threadedly connected to the screw rod; the bottom of the screen plate is fixedly connected with a limiting rod, and the dredging plate is slidably sleeved on the limiting rod, and the lower end of the limiting rod is fixedly connected with a limiting block.

[0009] As improved, a dredging groove is formed in the dredging plate, and a blocking frame is fixedly arranged on the dredging plate; the dredging rod and the dredging groove are located in the blocking frame, the screw rod and the limiting rod are located outside the blocking frame, and a groove corresponding to the blocking frame is formed in the bottom of the screen plate.

[0010] As improved, the vibration connecting structure comprises a fixing column and a vibration spring, the fixing column is fixedly arranged on the storage box, and the placing frame is slidably sleeved on the fixing column; the vibration spring is located between the storage box and the placing frame, and is sleeved on the fixing column; a limiting plate fixedly connected with the fixing column is arranged above the placing frame.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The screen plate is located in the placing groove, a fixing hole is formed in one side of the screen plate, and a plug-in structure inserted into the fixing hole is arranged in the placing frame; the placing groove is arranged in the placing frame, so that the screen plate is conveniently placed and taken out; meanwhile, the screen plate is fixed by using the plug-in structure, so that the screen plate is conveniently disassembled, and the replacement efficiency of the screen plate is improved.

[0013] 2. A dredging structure corresponding to the screen hole is slidably arranged above and below the screen plate, and a screw rod capable of controlling the up-down sliding of the dredging structure is rotatably arranged on the screen plate; the screw rod is directly rotated, so that the dredging structure is slid, and the screen hole is cleaned, without the need of using tools, so that the screen hole is conveniently and quickly cleaned, and the cleaning efficiency of the screen plate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the screen structure of the vibrating powder screening machine.

[0015] Figure 2 It is a perspective view of the screen structure of the vibrating powder screening machine from another angle.

[0016] Figure 3 It is a sectional view of the placing frame of the screen structure of the vibrating powder screening machine.

[0017] Figure 4 It is an enlarged view of the local A of the screen structure of the vibrating powder screening machine.

[0018] Figure 5 It is an exploded view of the connection between the screen plate and the placing frame of the screen structure of the vibrating powder screening machine.

[0019] Figure 6This is an exploded view showing the connection between the screen plate and the unblocking plate of the screen structure of a vibrating powder screening machine according to this utility model.

[0020] 1. Storage box; 2. Vibration-enhancing spring; 3. Fixing rod; 4. Vibration motor; 5. Placement frame; 6. Sieve plate; 7. Sieve hole; 8. Placement groove; 9. Fixing rod; 10. Fixing hole; 11. Unblocking plate; 12. Unblocking rod; 13. Retaining ring; 14. Compression spring; 15. Spring groove; 16. Groove; 17. Limiting rod; 18. Limiting block; 19. Screw; 20. Drainage channel; 21. Blocking frame. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] according to Figures 1-6 As shown: This utility model provides a screen structure for a vibrating powder sieving machine: including a storage box 1, with a placement frame 5 above the storage box 1; a vibrating motor 4 is fixedly connected to one side of the placement frame 5, a screen plate 6 is placed inside the placement frame 5, and the screen plate 6 is provided with screen holes 7; a placement groove 8 is opened inside the placement frame 5, and the screen plate 6 is located in the placement groove 8; a fixing hole 10 is opened on one side of the screen plate 6, and a plug-in structure for inserting into the fixing hole 10 is provided inside the placement frame 5; the placement frame 5 is connected to the storage box 1 through a vibration connection structure; a clearing structure corresponding to the screen holes 7 is slidably arranged below the screen plate 6, and a screw 19 that can control the up-and-down sliding of the clearing structure is rotatably arranged on the screen plate 6.

[0023] The sieve plate 6 is fixed by a plug-in structure, which makes it easy to disassemble the sieve plate 6 and improve the replacement efficiency of the sieve plate 6; at the same time, a dredging structure is set directly at the bottom of the sieve plate 6, which can quickly clean out the powder stuck in the sieve hole 7 and improve the cleaning efficiency of the sieve plate 6.

[0024] like Figure 4 As shown, the plug-in structure includes a fixing rod 9 and a retaining ring 13. A spring groove 15 is provided in the placement frame 5. The fixing rod 9 is located in the spring groove 15 and is inserted into the fixing hole 10. The retaining ring 13 is fixedly sleeved on the fixing rod 9. A compression spring 14 is provided in the spring groove 15 and is sleeved on the fixing rod 9. The compression spring 14 is reserved with a compression amount, which can increase the stability of the plug-in structure in fixing the screen plate 6 and avoid the screen plate 6 from being affected by vibration or other reasons.

[0025] like Figure 5 , 6 As shown, the unblocking structure includes an unblocking plate 11 and an unblocking rod 12. The unblocking plate 11 is located below the sieve plate 6, and the unblocking rod 12 is fixedly connected to the unblocking plate 11, with the unblocking rod 12 corresponding to the position of the sieve hole 7. The number of unblocking rods 12 is the same as the number of sieve holes 7. When one side of the unblocking plate 11 is working, all the sieve holes 7 can be cleaned at the same time, resulting in high cleaning efficiency.

[0026] The dredging plate 11 is threadedly connected to the screw rod 19; the bottom of the sieve plate 6 is fixedly connected to a limiting rod 17, the dredging plate 11 is slidably sleeved on the limiting rod 17, and the lower end of the limiting rod 17 is fixedly connected to a limiting block 18; the limiting rod 17 can limit the rotation of the dredging plate 11, so as to convert the rotation of the screw rod 19 into the movement of the dredging plate 11, and the limiting block 18 can prevent the dredging plate 11 from being separated from the limiting rod 17. The dredging plate 11 is provided with a dredging groove 20, which does not affect the normal passage of the powder through the dredging plate 11 and into the storage box 1; the dredging plate 11 is fixedly provided with a blocking frame 21; the dredging rod 12 and the dredging groove 20 are located in the blocking frame 21, the screw rod 19 and the limiting rod 17 are located outside the blocking frame 21, and the bottom of the sieve plate 6 is provided with a groove 16 corresponding to the blocking frame 21; the blocking frame 21 can limit the range of the powder, so as to prevent the powder from affecting the normal work of the screw rod 19.

[0027] As shown in Figure 1 , the vibration connection structure comprises a fixed column 3 and a vibration spring 2; the fixed column 3 is fixedly arranged on the storage box 1, and the placing frame 5 is slidably sleeved on the fixed column 3; the vibration spring 2 is located between the storage box 1 and the placing frame 5, and is sleeved on the fixed column 3, so as to increase the vibration and improve the screening effect; the upper portion of the placing frame 5 is provided with a limiting plate fixedly connected with the fixed column 3, so as to prevent the placing frame 5 from being separated from the fixed column 3.

[0028] The principle of the utility model

[0029] As shown in Figure 1 , 2 , when the vibrating screen powder machine is normally working, the powder to be screened is directly poured into the placing frame 5; the vibration motor 4 is started to drive the placing frame 5 and the sieve plate 6 to vibrate, and under the action of the vibration connection structure, the vibration amplitude of the placing frame 5 can be increased; the powder with a diameter smaller than that of the sieve hole 7 falls from the sieve hole 7 to the position of the dredging plate 11, and then falls into the storage box 1 from the dredging groove 20, while the caked powder remains on the sieve plate 6.

[0030] As shown in Figure 3 , 4 , when the sieve plate 6 needs to be disassembled, the fixed rod 9 is directly pulled to make the fixed rod 9 separated from the fixed hole 10, at this time, the screw rod 19 is pulled to directly take out the entire sieve plate 6 together with the dredging plate 11 from the placing frame 5, so that the disassembly of the sieve plate 6 is quick and convenient. After the sieve plate 6 is disassembled, when the powder clamped in the sieve hole 7 needs to be dredged, the screw rod 19 is directly twisted to drive the dredging plate 11 and the dredging rod 12 to move upward until the dredging rod 12 is inserted into the sieve hole 7, so that all the powder clamped in the sieve hole 7 can be poked out. Therefore, the disassembly of the sieve plate 6 can be quickly completed, the replacement of the sieve plate 6 is convenient, and after the sieve plate 6 is disassembled, the powder clamped in the sieve hole 7 can be conveniently cleaned, so that the cleaning efficiency of the sieve plate 6 is improved.

[0031] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by it, without departing from the spirit of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A screen structure of a vibrating screen powder machine, comprising a storage box (1), a placing frame (5) is arranged above the storage box (1); a vibrating motor (4) is fixedly connected to one side of the placing frame (5), a screen plate (6) is arranged in the placing frame (5), and a screen hole (7) is arranged on the screen plate (6); characterized in that: a placing groove (8) is arranged in the placing frame (5), and the screen plate (6) is located in the placing groove (8); a fixing hole (10) is arranged on one side of the screen plate (6), and a plug-in structure is arranged in the placing frame (5) and inserted into the fixing hole (10); the placing frame (5) is connected with the storage box (1) through a vibrating connection structure; a dredging structure corresponding to the screen hole (7) is arranged on the screen plate (6) and slides up and down; and a screw rod (19) capable of controlling the dredging structure to slide up and down is rotatably arranged on the screen plate (6).

2. A screen structure for a vibrating sifter according to claim 1, wherein: The plug-in structure comprises a fixed rod (9) and a blocking ring (13), a spring groove (15) is arranged in the placing frame (5), the fixed rod (9) is located in the spring groove (15), and the fixed rod (9) is inserted into the fixing hole (10); the blocking ring (13) is fixedly sleeved on the fixed rod (9), a compression spring (14) is arranged in the spring groove (15) and sleeved on the fixed rod (9), and the compression spring (14) is reserved with a compression amount.

3. A screen structure for a vibrating sifter according to claim 1, wherein: The dredging structure comprises a dredging plate (11) and a dredging rod (12); the dredging plate (11) is located below the screen plate (6), the dredging rod (12) is fixedly connected to the dredging plate (11), and the dredging rod (12) corresponds to the position of the screen hole (7); and the number of the dredging rod (12) is the same as that of the screen hole (7).

4. A screen structure for a vibrating sifter according to claim 3, wherein: The dredging plate (11) is threadedly connected to the screw rod (19); a limiting rod (17) is fixedly connected to the bottom of the screen plate (6), the dredging plate (11) is slidably sleeved on the limiting rod (17), and a limiting block (18) is fixedly connected to the lower end of the limiting rod (17).

5. A screen structure for a vibrating sifter according to claim 4, wherein: A dredging groove (20) is arranged in the dredging plate (11), and a blocking frame (21) is fixedly arranged on the dredging plate (11); the dredging rod (12) and the dredging groove (20) are located in the blocking frame (21), the screw rod (19) and the limiting rod (17) are located outside the blocking frame (21), and a groove (16) corresponding to the blocking frame (21) is arranged in the bottom of the screen plate (6).

6. A screen structure for a vibrating sifter according to claim 1, wherein: The vibrating connection structure comprises a fixed column (3) and a vibration increasing spring (2); the fixed column (3) is fixedly arranged on the storage box (1), and the placing frame (5) is slidably sleeved on the fixed column (3); the vibration increasing spring (2) is located between the storage box (1) and the placing frame (5), and is sleeved on the fixed column (3); and a limiting plate fixedly connected with the fixed column (3) is arranged above the placing frame (5).

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