Vibrating screen with surface cleaning mechanism

Abstract

The utility model discloses a vibrating screen with a surface cleaning mechanism, which relates to the technical field of vibrating screen equipment and comprises a screen box, a support component and a discharge pipeline, the support component and the discharge pipeline are fixed on the screen box, a screen mesh is mounted in the screen box, a driving component is mounted on the screen box and comprises a threaded rod, and the threaded rod is connected with the support component. A movable table plate is in transmission connection with the outer wall of the threaded rod, a cleaning brush is arranged at the bottom of the movable table plate, and a guide column penetrating through the movable table plate is connected to the top of the cleaning brush. According to the vibrating screen with the surface cleaning mechanism, solids clamped between the bristles can be squeezed away, the effect of cleaning the cleaning brush is achieved, meanwhile, the water guide groove in the top can guide cleaning liquid sprayed out of the cleaning brush to the bristles, and therefore the bristles are cleaned from top to bottom, the cleaning effect is good, and the service life of the vibrating screen is prolonged. The cleaning brush has the effect of keeping the cleaning state of the bristles, so that the cleaning effect of the cleaning brush on the screen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen equipment, and more specifically to a vibrating screen with a surface cleaning mechanism. Background Art

[0002] As a common screening equipment, the main principle of the vibrating screen is to use the vibration of the vibrating screen to screen and classify the materials on its screen holes. During the screening process of the vibrating screen, some materials that are larger than the screen mesh often get stuck, which will cause the screen to get blocked when the material is screened for a long time, affecting the screening efficiency. After a period of use, the machine needs to be stopped to manually replace the screen or dredge and clean the screen, which affects the connection workability of the vibrating screen and the working efficiency of the vibrating screen.

[0003] The Chinese patent application number 202121288661.0 discloses a vibrating screen with a self-cleaning function, the structure of which includes an inclined screen box, the lower end of which is open to form a discharge port, a vibration motor is installed on the outer wall of the screen box, and a screen is inclined inside the screen box; a cleaning mechanism is provided above the screen; the cleaning mechanism includes a sliding seat slidably arranged in the screen box, and a driving mechanism for driving the sliding seat to slide along the length direction of the screen box; the bottom of the sliding seat has at least two annular cleaning brushes distributed in an array along its length direction, and the diameter of the annular cleaning brush is greater than or equal to the width of the screen; at least one working motor for driving each annular cleaning brush to rotate synchronously is provided on the top of the sliding seat. Although a cleaning brush with a cleaning function is provided on the screen of this vibrating screen with a self-cleaning function, the cleaning device still has the following problems during use:

[0004] 1. Since it uses a rotating brush to rotate on the surface of the screen, solid objects may get stuck on the bristles. At this time, the solid objects will scratch the surface of the screen as the brush rotates, thus affecting the service life of the screen.

[0005] 2. The cleaning device will always be in contact with the surface of the screen. When using a vibrating screen to screen materials, the material will enter the brush. In addition, the cleaning device is pressed on one side of the screen, which will also affect the screening efficiency.

[0006] Therefore, it is necessary to propose a vibrating screen with a surface cleaning mechanism to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] The purpose of the utility model is to solve the problems raised in the above background technology and provide a vibrating screen with a surface cleaning mechanism.

[0009] (II) Technical solution

[0010] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0011] A vibrating screen with a surface cleaning mechanism, comprising a screen box, a supporting assembly fixed on the screen box, and a discharge pipe, wherein a screen is installed inside the screen box, a driving assembly is installed on the top of the screen box, the driving assembly comprises a threaded rod, a movable table is connected to the outer wall of the threaded rod in a transmission manner, a cleaning brush is arranged at the bottom of the movable table, a guide column penetrating the movable table is connected to the top of the cleaning brush, a first spring is sleeved on the outside of the guide column, a water inlet pipe is arranged on one side of the cleaning brush, and a water spray port located between adjacent bristles is arranged at the bottom of the cleaning brush;

[0012] A sliding groove is provided on the inner wall of the screen box, and the sliding groove includes a straight portion and a bent portion, and the bent portion is located on a side away from the discharge pipe. Moving rods extending into the sliding groove are provided on both sides of the cleaning brush, and a ball is provided at one end of the moving rod for sliding in the sliding groove.

[0013] A support plate is connected to the inner wall of the screen box, a water receiving bucket and a sliding frame are connected to the top of the support plate, the water receiving bucket is located at the bottom of the sliding frame, a lifting block is slidably connected inside the sliding frame, a second spring is arranged between the bottom of the lifting block and the sliding frame, and a comb plate is arranged on one side of the lifting block.

[0014] Preferably, the top of the comb plate is provided with an inclined portion and a flat portion inclined outward, and the bottom of the comb plate is provided with a drainage portion.

[0015] Preferably, a water guide groove for guiding water is provided on the upper surface of the inclined surface portion.

[0016] Preferably, the driving assembly further comprises a motor, a sprocket and a chain, and the motor is connected to the outside of the screen box.

[0017] Preferably, a telescopic pipe is connected to the water inlet pipe, the water inlet pipe is connected to an external water supply device, and the interior of the water receiving bucket is connected to a drainage pipe extending out of the screen box.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The device is provided with a comb plate inside the screen box, which can be inserted into the root of the brush at the bottom of the cleaning brush. As the comb plate goes deeper, the solid objects stuck between the bristles are squeezed out, which has the function of cleaning the cleaning brush. At the same time, the water guide groove on the top can guide the cleaning liquid sprayed by the cleaning brush to the bristles, thereby cleaning the bristles from top to bottom, which has the effect of keeping the bristles clean, thereby improving the cleaning effect of the cleaning brush on the screen.

[0020] 2. The device is provided with a sliding groove on the side wall of the screen box. By setting different directional paths in the sliding groove, the cleaning brush can be moved to the bending part at the top after use, which has the effect of separating the cleaning brush from the surface of the screen, solving the problem that the cleaning device is pressed on the screen to reduce the screening efficiency, and has the effect of improving the screening effect of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a cross-sectional schematic diagram of the structure of the utility model;

[0023] Figure 3 It is a three-dimensional schematic diagram of the connection structure between the movable platen and the cleaning brush in the utility model;

[0024] Figure 4 It is a three-dimensional schematic diagram of the connection structure between the water bucket and the sliding frame in the utility model;

[0025] Figure 5 It is a three-dimensional schematic diagram of the comb tooth plate in the utility model;

[0026] Figure 6 It is a schematic diagram of the water flow direction in the utility model.

[0027] Reference numerals:

[0028] 101. Screen box; 102. Support assembly; 103. Discharge pipe; 104. Screen; 105. Drive assembly; 106. Threaded rod; 107. Moving table; 108. Cleaning brush; 109. Guide column; 110. First spring; 111. Water inlet pipe; 112. Sliding groove; 113. Straight portion; 114. Bending portion; 115. Moving rod; 116. Support plate; 117. Water receiving bucket; 118. Sliding frame; 119. Lifting block; 120. Second spring; 121. Comb plate; 122. Inclined portion; 123. Plane portion; 124. Drainage portion; 125. Water guide trough. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6 , a vibrating screen with a surface cleaning mechanism, comprising a screen box 101 and a support assembly 102 and a discharge pipe 103 fixed on the screen box 101, the support assembly 102 supports the bottom of the screen box 101, the discharge pipe 103 is located on one side of the screen box 101, and is used to discharge the screened material, a vibration motor is arranged at the bottom of the screen box 101, a cover plate is arranged on the top of the screen box 101, which is not shown in the figure, a screen 104 is installed inside the screen box 101, and a driving assembly 105 is installed on the top of the screen box 101, the driving assembly 105 is composed of a threaded rod 106, a motor, a sprocket and a chain, the output end of the motor drives the symmetrical threaded rod 106 to rotate through the chain and the sprocket, thereby pushing the moving table 107 to move in the screen box 101, the driving assembly 105 includes a threaded rod 106, and a moving table 107 is transmission-connected to the outer wall of the threaded rod 106, and when the moving table 107 moves, it will drive the cleaning brush 108 at the bottom to move The cleaning brush 108 moves back and forth on the surface of the screen 104, and the cleaning brush 108 is arranged at the bottom of the movable plate 107. The top of the cleaning brush 108 is connected to a guide column 109 that penetrates the movable plate 107. The cleaning brush 108 slides up and down on the movable plate 107 through the guide column 109. The first spring 110 pushes the cleaning brush 108 to move downward, so as to fit the surface of the screen 104. The outer sleeve of the guide column 109 is provided with a first spring. A spring 110, a water inlet pipe 111 is provided on one side of the cleaning brush 108, the water inlet pipe 111 is connected to an external water supply device, a telescopic tube is provided on the water inlet pipe 111, when the cleaning brush 108 is attached to the surface of the screen 104, the telescopic tube will be stretched, when the cleaning brush 108 is located in the bending portion 114, the telescopic tube will be compressed to adapt to the distance between the moving platen 107 and the cleaning brush 108, the bottom of the cleaning brush 108 is provided with a water spray port located between adjacent bristles;

[0031] refer to Figure 2 and Figure 3A sliding groove 112 is provided on the inner wall of the screen box 101. The sliding groove 112 includes a straight portion 113 and a bent portion 114. The bent portion 114 is inclined upward so that the cleaning brush 108 moves upward. The bent portion 114 is located on a side away from the discharge pipe 103. Moving rods 115 extending into the sliding groove 112 are provided on both sides of the cleaning brush 108. The moving rods 115 make the cleaning brush 108 move along the direction of the sliding groove 112. A ball sliding in the sliding groove 112 is provided at one end of the moving rod 115.

[0032] refer to Figure 4 and Figure 5 A support plate 116 is connected to the inner wall of the screen box 101, and a water receiving bucket 117 and a sliding frame 118 are connected to the support plate 116. The support plate 116 is used to fix the water receiving bucket 117 and the sliding frame 118 on the inner wall of the screen box 101. The water receiving bucket 117 is located at the bottom of the sliding frame 118. A lifting block 119 is slidably connected inside the sliding frame 118. The second spring 120 pushes the comb plate 121 to move upward by pushing the lifting block 119. A second spring 120 is arranged between the bottom of the lifting block 119 and the sliding frame 118. A comb plate 121 is arranged on one side of the lifting block 119. After the comb plate 121 is inserted into the cleaning brush 108, solid objects stuck between the bristles can be cleaned up.

[0033] Specifically, refer to Figure 5 The top of the comb plate 121 is provided with an outwardly inclined inclined portion 122 and a flat portion 123. The inclined portion 122 is in a conical state. When the inclined portion 122 is inserted between the bristles, it will gradually become larger, thereby squeezing out the solid matter. The flat portion 123 remains parallel to the bottom of the cleaning brush 108. A drainage portion 124 is provided at the bottom of the comb plate 121.

[0034] Specifically, refer to Figure 5 A water guide groove 125 for guiding water is arranged on the upper side of the inclined portion 122. The water guide groove 125 is at the same position as the water spray outlet at the bottom of the cleaning brush 108, and is used to guide the water sprayed from the water spray outlet to both sides, so that it flows to the bristles and plays a role in cleaning the bristles.

[0035] Specifically, refer to Figure 1 The driving assembly 105 also includes a motor, a sprocket and a chain. The motor is connected to the outside of the screen box 101, and drives the symmetrical threaded rods 106 to rotate through the connection of the sprocket and the chain, thereby simultaneously pushing the moving table 107 to move.

[0036] Specifically, refer to Figure 3A telescopic tube is connected to the water inlet pipe 111, and the water inlet pipe 111 is connected to an external water supply device. The cleaning ability of the cleaning brush 108 on the screen 104 is increased by washing with water. The interior of the water receiving bucket 117 is connected to a drain pipe extending from the screen box 101. The drain pipe is used to discharge the water flow falling into the water receiving bucket 117. A retaining net is installed inside the water receiving bucket 117 to intercept solid objects falling into the water receiving bucket 117.

[0037] In this embodiment, the material to be screened is poured into the screen box 101, a screen 104 is installed inside the screen box 101, and a vibration motor is installed at the bottom of the screen box 101 to make the entire screen box 101 vibrate. Under the action of vibration, the material on the screen surface is continuously thrown and slipped, and the particles jump forward on the screen surface, and collide and rub with the screen holes at the same time. The particles larger than the size of the screen hole cannot pass through the screen hole and remain on the screen surface and continue to move forward, and are finally discharged from the corresponding discharge port, that is, the screen material, and the particles smaller than the size of the screen hole smoothly pass through the screen hole and flow out from the corresponding screen material outlet, thereby realizing the separation of particle size;

[0038] When the screen 104 needs to be cleaned, the material in the screen box 101 is first emptied, and then the driving assembly 105 is started. The driving assembly 105 drives the cleaning brush 108 to clean the screen 104 through the threaded rod 106. The water inlet pipe 111 on one side of the screen 104 is connected to the external water supply device. The bottom of the cleaning brush 108 is provided with a water spray port. The cleaning ability of the cleaning brush 108 on the screen 104 is increased by washing with water. The cleaned water will fall to the bottom of the screen box 101 and flow out through the discharge pipe 103 on one side.

[0039] During cleaning, the driving component 105 drives the moving table 107 to move from one end close to the comb plate 121 to the discharge pipe 103, and the moving table 107 drives the cleaning brush 108 at the bottom to move together. The cleaning brush 108 slides along the sliding groove 112 through the moving rods 115 on both sides. When the cleaning brush 108 finishes cleaning the surface of the screen 104, the driving component 105 reverses to make the cleaning brush 108 move toward the direction of the comb plate 121. At this time, the moving rod 115 moves from the straight portion 113 to the bent portion 114. Since the bent portion 114 has an inclined upward setting, the cleaning brush 108 moves upward. At this time, the first spring 110 between the moving table 107 and the cleaning brush 108 is compressed. When the cleaning brush 108 moves to the top of the bent portion 114, the comb plate 121 is inserted The brush 108 is inserted into the gap of the bristles at the bottom of the cleaning brush 108. Since the end of the inclined portion 122 is conical, the tip of the inclined portion 122 will first be inserted into the root of the bristles. As the comb plate 121 extends, the inclined portion 122 will gradually become larger, thereby squeezing out the solid objects stuck between the bristles downward, and the fallen solid objects will fall into the water receiving bucket 117 at the bottom. Finally, the cleaning brush 108 will completely move from the inclined portion 122 to the flat portion 123. Since the comb plate 121 is fixed on the lifting block 119, the second spring 120 pushes the lifting block 119 to move upward, so that the flat portion 123 will be completely pressed on the bottom of the cleaning brush 108. There is a water guide groove 125 arranged on the flat portion 123 opposite to the position of the water spray port. At this time, the water spray device is started, so that the water will flow out of the water spray port and spray to both sides along the position of the water guide groove 125. Figure 6 The water sprayed from the water guide groove 125 will flow downward along the brush, thereby cleaning the bristles, and the water will drip from the bottom of the bristles into the water receiving bucket 117. The water that is not sprayed on the bristles will flow downward along the surface of the comb plate 121, and finally converge at the position of the drainage part 124, and then drip into the water receiving bucket 117;

[0040] When the cleaning brush 108 moves in the bending portion 114, since the position of the cleaning brush 108 is fixed, when the cleaning brush 108 contacts the comb plate 121, the comb plate 121 will drive the lifting block 119 to move downward, thereby compressing the second spring 120 at the bottom, and then the compressed second spring 120 will push the comb plate 121 to press on the bottom of the cleaning brush 108.

[0041] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A vibrating screen with a surface cleaning mechanism, comprising a screen box (101), a support assembly (102) and a discharge pipe (103) fixed to the screen box (101), wherein a screen (104) is installed inside the screen box (101), characterized in that: A driving assembly (105) is installed on the top of the screen box (101), and the driving assembly (105) includes a threaded rod (106), and a movable table (107) is transmission-connected on the outer wall of the threaded rod (106), and a cleaning brush (108) is arranged at the bottom of the movable table (107), and the top of the cleaning brush (108) is connected to a guide column (109) penetrating the movable table (107), and the outer sleeve of the guide column (109) is provided with a first spring (110), and a water inlet pipe (111) is arranged on one side of the cleaning brush (108), and a water spray port located between adjacent bristles is arranged at the bottom of the cleaning brush (108); A sliding groove (112) is provided on the inner wall of the screen box (101), the sliding groove (112) comprises a straight portion (113) and a bent portion (114), the bent portion (114) is located on a side away from the discharge pipe (103), and moving rods (115) extending into the sliding groove (112) are provided on both sides of the cleaning brush (108), and one end of the moving rod (115) is provided with a ball that slides in the sliding groove (112); A support plate (116) is connected to the inner wall of the screen box (101), a water receiving bucket (117) and a sliding frame (118) are connected to the upper surface of the support plate (116), the water receiving bucket (117) is located at the bottom of the sliding frame (118), a lifting block (119) is slidably connected inside the sliding frame (118), a second spring (120) is arranged between the bottom of the lifting block (119) and the sliding frame (118), and a comb plate (121) is arranged on one side of the lifting block (119).

2. A vibrating screen with a surface cleaning mechanism according to claim 1, characterized in that: The top of the comb plate (121) is provided with an outwardly inclined inclined portion (122) and a flat portion (123), and the bottom of the comb plate (121) is provided with a drainage portion (124).

3. A vibrating screen with a surface cleaning mechanism according to claim 2, characterized in that: A water guide groove (125) for guiding water is arranged on the upper surface of the inclined surface (122).

4. A vibrating screen with a surface cleaning mechanism according to claim 1, characterized in that: The driving assembly (105) further comprises a motor, a sprocket and a chain, and the motor is connected to the outside of the screen box (101).

5. The vibrating screen with a surface cleaning mechanism according to claim 1, characterized in that: The water inlet pipe (111) is connected to a telescopic pipe, the water inlet pipe (111) is connected to an external water supply device, and the interior of the water receiving bucket (117) is connected to a drainage pipe extending out of the screen box (101).

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