Dust removal vibrating screen for stone screening

Abstract

The dust removal vibrating screen for stone screening comprises a vibrating screen body, a dust removal mechanism and a protective cover, a feeding box is arranged at the top of the vibrating screen body, the dust removal mechanism is composed of a dust suction hood and a dust collector, the dust suction hood is in an inverted U shape and installed on the vibrating screen body, and the upper side end of the dust suction hood is communicated with the feeding box; dust generated in the vibrating screen body can be sucked out through the dust suction cover, the protective cover is composed of the supporting frames and the protective cloth, the upper portion of the vibrating screen body can be sealed through the protective cover, dust scattering is further prevented, and the vibrating screen is convenient to use and high in practicability. And meanwhile, the protective cover can be automatically folded, the interior of the vibrating screen body can be conveniently overhauled or the screen cloth can be conveniently replaced, and the working efficiency during maintenance and overhaul is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stone processing, in particular to a dust removal vibrating screen for stone screening. Background Art

[0002] Stone is a rock or a rock-like substance used for construction, sculpture and other materials. At present, after the stone is produced, it needs to be screened so that the stone and a small amount of sand mixed in the stone can be screened and used. At this time, a vibrating screen is needed.

[0003] The patent website discloses a vibrating screen for stone production (Announcement No.: CN 217748017 U), including a bracket, a vibration motor is installed at one end of the bracket, a buffer assembly is provided at the bottom end of the bracket, a feed rack is installed on one side of the upper end of the bracket, a feed hopper is provided on the feed rack, a screening assembly is provided in the bracket, a protective frame is provided on the bracket, and a protective door is rotatably connected to one end of the bracket through a hinge. The utility model is convenient for screening stones and stones mixed with a small amount of sand and other impurities through the setting of the screening assembly, and is convenient for replacing the screening plate to avoid the phenomenon that the stone falls and causes damage to it, thereby affecting the service life of the device, and is convenient to reduce the falling speed of the stone to avoid the phenomenon that the stone falls directly and causes damage to the collecting device; through the setting of the buffer assembly, the vibration of the bracket can be buffered to avoid the vibration of the bracket affecting the connecting frame.

[0004] The above technology has the following defects: the protective cover can prevent the splashing of stones during vibration, but it cannot prevent the dispersion of dust generated during screening, causing environmental pollution and affecting the workers. Therefore, there is room for improvement. Utility Model Content

[0005] The utility model provides a dust removal vibrating screen for stone screening to solve the problems raised in the background technology.

[0006] In order to solve the above problems, the utility model provides a dust-removing vibrating screen for stone screening, comprising a vibrating screen body, a dust-removing mechanism, and a protective cover. A feed box is arranged on the top of the vibrating screen body. The dust-removing mechanism consists of a dust hood and a dust collector. The dust hood is installed on the vibrating screen body in an inverted U shape, and the upper side end is connected with the feed box. An inverted U-shaped positioning frame is fixed at the lower side end away from the feed box. The top of the dust hood is connected with the dust collector through a pipeline. The protective cover is composed of a plurality of inverted U-shaped supporting frames and a protective cloth. Two slide grooves are symmetrically opened on the left and right sides of the vibrating screen body, and a first installation box and a second installation box that are symmetrical are respectively arranged on the outer sides of the two slide grooves. Each two of the support frames are connected by two movable rods in the form of cross hinges, and the upper ends of the two movable rods are rotatably connected to the upper part of the support frame through a positioning shaft, and the lower ends of the two movable rods are slidably connected to the lower part of the support frame through a connecting piece, and the lower ends of the two movable rods are hinged to the connecting pieces. Rollers are provided at the bottom ends of both sides of the support frame, and are slidably connected to two slide grooves through the rollers. The protective cloth can be detachably installed on the inner sides of several support frames to form an inverted U-shaped protective cover, and the upper side end of the protective cover is connected to the lower side end of the dust hood, and the support frame near the dust hood is connected to the positioning frame, and the connection method is the same as the connection method between the two support frames.

[0007] Preferably: the first connecting block and the second connecting block are symmetrically installed at the lower ends of both sides of the support frame away from the dust collection hood in the protective cover, a threaded rod is rotatably provided in the first installation box, and one end of the threaded rod rotates through the upper side end of the first installation box and is connected to a motor, a guide rod is fixed in the second installation box, the first connecting block is slidably connected in the first installation box and is threadedly connected to the threaded rod, and the second connecting block is slidably connected in the second installation box and is slidably connected to the guide rod.

[0008] Preferably, a sealing box is provided on one end of the vibration screen body away from the dust cover, and the lower side end of the protective cover is movably connected to the sealing box.

[0009] The beneficial effects of adopting the above technical solution are:

[0010] 1. The protective cover can be set to protect the vibration screen body from splashing when screening stones. At the same time, the sealing box can be used to seal the upper part of the vibration screen body to prevent dust dispersion from causing environmental pollution. The dust can be removed by using a vacuum cleaner and a dust hood, which effectively improves the dust removal effect.

[0011] 2. The support frames are connected by two movable rods in the form of cross hinges, so that the support frames can be folded, and then the protective cover can be folded, so that the protective cover does not need to be removed when inspecting the inside of the vibrating screen or replacing the vibrating screen, thereby improving the convenience of work.

[0012] 3. The motor drives the threaded rod to rotate and cooperate with the first connecting block, and then the second connecting block cooperates with the guide rod, so that the protective cover can be automatically folded on the vibrating screen body, which reduces the workload of the staff and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from another viewing angle.

[0015] Figure 3 It is a schematic diagram of the structure of the utility model from top view.

[0016] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure of part A.

[0017] Among them: 1-vibrating screen body; 11-feed box; 12-chute; 13-first installation box; 14-second installation box; 15-threaded rod; 16-motor; 17-guide rod; 2-dust removal mechanism; 21-dust hood; 22-dust collector; 23-positioning frame; 3-protective cover; 31-support frame; 32-protective cloth; 33-movable rod; 34-positioning shaft; 35-connecting piece; 36-roller; 37-first connecting block; 38-second connecting block; 4-sealing box. DETAILED DESCRIPTION

[0018] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, a movable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1-4 In this embodiment, a dust-removing vibration screen for stone screening comprises a vibration screen body 1, a dust-removing mechanism 2, and a protective cover 3. A feed box 11 is provided on the top of the vibration screen body 1. The dust-removing mechanism 2 consists of a dust cover 21 and a dust collector 22. The dust cover 21 is installed on the vibration screen body 1 in an inverted U shape, and the upper side end is connected to the feed box 11. An inverted U-shaped positioning frame 23 is fixed at the lower side end away from the feed box 11. The top of the dust cover 21 is connected to the dust collector 22 through a pipeline. The protective cover 3 consists of a plurality of inverted U-shaped support frames 31 and a protective cloth 32. Two chute 12 are symmetrically opened on the left and right sides of the vibration screen body 1, and a first installation box 13 and a second installation box 14 are symmetrically provided on the outer sides of the two chute 12. The Each pair of support frames 31 is connected by two movable rods 33 in the form of cross hinges, and the upper ends of the two movable rods 33 are rotatably connected to the upper part of the support frame 31 through a positioning shaft 34, and the lower ends of the two movable rods 33 are slidably connected to the lower part of the support frame 31 through a connecting piece 35, and the lower ends of the two movable rods 33 are hinged to the connecting piece 35. Rollers 36 are provided at the bottom ends of both sides of the support frame 31, and are slidably connected to the two slide grooves 12 through the rollers 36. The protective cloth 32 can be detachably installed on the inner sides of several support frames 31 to form an inverted U-shaped protective cover 3, and the upper side end of the protective cover 3 is connected to the lower side end of the dust hood 21, and the support frame 31 near the dust hood 21 is connected to the positioning frame 23 by two movable rods 33 in the form of cross hinges.

[0022] Through the above technical solution, when in use, the crushed stone enters the vibrating screen body 1 through the feed box 11, and the synchronous dust collector 22 works with the dust hood 21 to remove the dust generated during feeding. At the same time, the protective cover 3 covers the vibrating screen body 1, thereby improving the sealing performance of the upper part of the vibrating screen body 1, preventing the splashing of stone and the spread of dust generated during vibration. With the work of the dust collector 22, the dust that has not spread inside is removed, thereby improving the dust removal efficiency. When it is necessary to inspect or replace the vibrating screen body 1, there is no need to The protective cover 3 is removed. Since the support frames 31 are connected by two movable rods 33 in the form of cross hinges, the support frames 31 can be folded. The pulley 36 at the bottom of the support frame 31 cooperates with the two slide grooves 12 to make the movement of the support frame 31 more convenient and stable, thereby driving the protective cloth 32 to fold. The positioning frame 23 cooperates with the protective cover 3 to be folded to the lower end of the dust cover 21, so as to facilitate the inspection or replacement of the inside of the vibrating screen body 1, thereby improving the convenience of work and reducing the workload.

[0023] Preferably: the lower ends of the support frame 31 on both sides of the protective cover 3 away from the dust collection cover 21 are symmetrically installed with a first connecting block 37 and a second connecting block 38, a threaded rod 15 is rotatably provided in the first installation box 13, and one end of the threaded rod 15 rotates through the upper side end of the first installation box 13 and is connected to a motor 16, a guide rod 17 is fixed in the second installation box 14, the first connecting block 37 is slidably connected in the first installation box 13, and is threadedly connected to the threaded rod 15, the second connecting block 38 is slidably connected in the second installation box 14, and is slidably connected to the guide rod 17.

[0024] Through the above technical solution, the motor 16 drives the threaded rod 15 to rotate and then drives the first connecting block 37 to move in the first installation box 13, thereby driving the support frame 31 to move in the slide groove 11, and then the second connecting block 38 cooperates with the guide rod 17 to slide in the second installation box 14, so that the support frame 31 can stably move in the slide groove 12 to fold and extend, and then the protective cover 8 can be folded and extended, reducing the workload and effectively improving work efficiency.

[0025] Preferably, a sealing box 4 is provided on one end of the vibration screen body 1 away from the dust cover 21 , the lower side end of the protective cover 3 is movably connected in the sealing box 4 , and the sealing box 4 is connected to the vibration screen body 1 by bolts.

[0026] Through the above technical solution, the setting of the sealing box 4 can improve the sealing performance of the lower side end of the protective cover 3, thereby preventing dust from spreading out from the lower side end of the protective cover 3, improving the dustproof effect, and facilitating the loading and unloading of the sealing box 4 on the vibrating screen body 1.

[0027] Finally, it should be noted that the above implementation cases are only used to illustrate the present invention, rather than to limit the technical solutions described in the present invention; therefore, although this specification has described the present invention in detail with reference to the above-mentioned embodiments, ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention; technologies not described in detail in the present invention are implemented with existing technologies.

Claims

1. A dust removal vibrating screen for stone screening, comprising a vibrating screen body, a dust removal mechanism, and a protective cover, characterized in that: A feed box is provided on the top of the vibrating screen body, and the dust removal mechanism consists of a dust hood and a dust collector. The dust hood is installed on the vibrating screen body in an inverted U shape, and the upper side end is connected to the feed box, and an inverted U-shaped positioning frame is fixed at the lower side end away from the feed box. The top of the dust hood is connected to the dust collector through a pipeline, and the protective cover is composed of a plurality of inverted U-shaped support frames and protective cloth. Two slide grooves are symmetrically opened on the left and right sides of the vibrating screen body, and the outer sides of the two slide grooves are respectively provided with a symmetrical first installation box and a second installation box, and each two of the support frames are connected by two movable rods with cross hinges. The upper ends of the two movable rods are rotatably connected to the upper part of the support frame through a positioning shaft, and the lower ends of the two movable rods are slidably connected to the lower part of the support frame through a connecting piece, and the lower ends of the two movable rods are hinged to the connecting pieces. Rollers are provided at the bottom ends of both sides of the support frame, and are slidably connected to the two slide grooves through the rollers. The protective cloth can be detachably installed on the inner sides of several support frames to form an inverted U-shaped protective cover. The upper side end of the protective cover is connected to the lower side end of the dust hood, and the support frame near the dust hood is connected to the positioning frame, and the connection method is the same as the connection method between the two support frames.

2. The dust removal vibrating screen for stone screening according to claim 1 is characterized in that: The first connecting block and the second connecting block are symmetrically installed at the lower ends of both sides of the support frame away from the dust collection hood in the protective cover, a threaded rod is rotatably provided in the first installation box, and one end of the threaded rod rotates through the upper side end of the first installation box and is connected to a motor, a guide rod is fixed in the second installation box, the first connecting block is slidably connected in the first installation box and is threadedly connected to the threaded rod, and the second connecting block is slidably connected in the second installation box and is slidably connected to the guide rod.

3. The dust removal vibrating screen for stone screening according to claim 1 is characterized in that: A sealing box is arranged on one end of the vibration screen body away from the dust collecting cover, and the lower side end of the protective cover is movably connected in the sealing box.

Images