Horizontal action screening equipment for quartz sand

Abstract

The utility model relates to a device for screening quartz sand through horizontal motion, which comprises a screen box, an upper screen structure, a lower screen structure, a feeding square tube and two driving mechanisms, the upper screen structure, the lower screen structure and the feeding square tube are arranged in the screen box, and the two driving mechanisms are used for driving the upper screen structure and the lower screen structure to swing. A vertical baffle is arranged in the feeding square pipe to divide the feeding square pipe into an inner side channel and an outer side channel, and the inner side channel and the outer side channel communicate with an upper feeding hopper and a lower feeding hopper on the right side of the box body correspondingly. The upper screen structure and the lower screen structure are matched with the upper feeding hopper, the upper discharging hopper, the lower feeding hopper and the lower discharging hopper respectively so that materials can fall into the upper screen structure and the lower screen structure through the upper feeding hopper and the lower feeding hopper, and the materials are output leftwards through the upper discharging hopper and the lower discharging hopper after being screened. The quartz sand screening device has the advantages of being capable of screening quartz sand in a swinging mode and high in screening efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of quartz sand screening, in particular to equipment for horizontal action screening of quartz sand. Background Art

[0002] Quartz sand is quartz particles made by crushing quartz stone. Quartz stone is a non-metallic mineral, a hard, wear-resistant, chemically stable silicate mineral. Its main mineral component is SiO2. Quartz sand is an important industrial mineral raw material, a non-chemical hazardous product, and is widely used in glass, casting, ceramics and fireproof materials, smelting ferrosilicon, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasives, filter materials and other industries.

[0003] The existing quartz sand screening equipment cannot perform swing screening on the quartz sand during the screening process, the screening force is small, the screening speed is slow, and the screening efficiency of the quartz sand is low; although the screening force can be appropriately increased when using a high-power drive motor, the impact force on the entire screening equipment is large, making the equipment unstable.

[0004] To this end, the utility model proposes a driving structure for horizontal action screening of quartz sand, which can perform swing screening on the quartz sand with high screening efficiency. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a device for horizontal action screening of quartz sand. The device is provided with a driving mechanism to drive the screen structure for swing screening, has high screening efficiency, and is equipped with a feeding structure, which is conducive to uniform feeding of materials, makes the equipment run more stably, and is easy to disassemble and overhaul.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] The device for horizontally screening quartz sand comprises a screen box, an upper screen structure and a lower screen structure arranged in the screen box, a feed square pipe, and two driving mechanisms for driving the upper screen structure and the lower screen structure to swing; a vertical baffle is arranged in the feed square pipe to separate the feed square pipe into an inner channel and an outer channel, and the inner channel and the outer channel are respectively connected with an upper feed hopper and a lower feed hopper on the right side of the screen box; the upper screen structure and the lower screen structure are respectively matched with an upper feed hopper and an upper discharge hopper, and a lower feed hopper and a lower discharge hopper, so that the material can fall into the upper screen structure and the lower screen structure respectively through the upper feed hopper and the lower feed hopper, and then be discharged to the left by the corresponding upper discharge hopper and the lower discharge hopper after screening.

[0008] In a preferred embodiment of the present scheme, the driving mechanism includes a driving motor, a hoisting component, a main transmission shaft, a transmission cross bar, a transmission vertical bar, and a transmission plate, and the transmission plate is driven to rotate by the driving motor; the hoisting component includes a screen end fixing member, and a wall end fixing member whose one end is vertically fixed to the inner wall of the screen box; the left and right side walls of the upper screen structure, and the left and right side walls of the lower screen structure are respectively provided with hinge blocks and blocks, and the setting orientation of the hinge blocks and blocks on the upper screen structure is opposite to that of the lower screen structure; the other end of the wall end fixing member is universally hinged to the top end of the screen end fixing member, and the bottom end of the screen end fixing member is It is hinged with the hinge block on the upper screen structure or the lower screen structure; the block is sleeved on the upper part of the main transmission shaft, and the bottom of the main transmission shaft can be slid up and down and installed in the base 2, and a plurality of balls are installed at the bottom of the base 2; one end of the transmission cross bar is sleeved on the main transmission shaft through a sleeve structure, and the other end of the transmission cross bar passes through the opening on the screen box and is sleeved on the transmission vertical rod through another sleeve structure; the transmission vertical rod is fixed on the transmission disk, and the driving motor is started, and the transmission disk rotates to drive the transmission cross bar to move, and the transmission cross bar moves to drive the main transmission shaft and the upper screen structure or the lower screen structure. Then the swing screening of the upper screen structure and the lower screen structure is realized.

[0009] In a preferred embodiment of the present scheme, an abutment block is provided in the middle of the main transmission shaft, and a spring is sleeved on the main transmission shaft, and the spring abuts between the abutment block and the second upper surface of the base.

[0010] In a preferred embodiment of the present scheme, the upper feed hopper and the lower feed hopper are respectively installed on the outer sides of the upper feed port and the lower feed port on the rear side of the screen box, and a feed circular pipe connected to the upper feed hopper and the lower feed hopper is respectively vertically provided on the rear sides; an adjustable baffle is also provided inside the feed square tube, and the adjustable baffle and the vertical baffle are adjacently arranged up and down, so that the feed square tube can be separated by the adjustable baffle and the vertical baffle to form an inner channel and an outer channel; the outer channel extends downward for a distance so that the bottom end of the outer channel is vertically located between the upper feed hopper and the lower feed hopper; the two ends of the bottom of the adjustable baffle are respectively rotatably connected to the left and right side walls of the feed square tube, so that the adjustable baffle can rotate perpendicular to the left and right side walls of the feed square tube;

[0011] The bottom end of the inner channel and the bottom end of the outer channel are respectively connected to the feeding circular tube of the upper feeding hopper or the lower feeding hopper through an inclined tube; a cylindrical pipe fitting is also installed on the top of the feeding square tube, and the top of the cylindrical pipe fitting can be connected to the material feeding pipe; a circular plate is provided at the bottom of the cylindrical pipe fitting, and a plurality of leakage holes are evenly arranged on the circular plate.

[0012] In a preferred embodiment of the present solution, the bottom of the cylindrical tube and the top of the square feeding tube respectively have outer edges extending outward, so that the bottom of the cylindrical tube and the top of the square feeding tube can be fixedly connected by bolts.

[0013] In a preferred embodiment of the present scheme, a rotating shaft is provided at the bottom of the adjustable baffle, and both ends of the rotating shaft pass through and are clamped in circular grooves on the left and right side walls of the feed square tube. The circular groove extends to the upper left to form a fan-shaped opening, and fan-shaped baffles are vertically connected to the two sides of the adjustable baffle after passing through the two fan-shaped openings respectively, and the inner surfaces of the fan-shaped baffles are respectively in contact with the left and right side walls of the feed square tube.

[0014] In a preferred embodiment of the present scheme, the bottom of the upper feed hopper and the lower feed hopper are respectively inclined feed bottom plates, and the feed bottom plates of the upper feed hopper and the lower feed hopper extend forward to the upper rear part of the upper screen structure and the lower screen structure, respectively, so that the material can fall into the screen through the upper feed hopper and the lower feed hopper.

[0015] In a preferred embodiment of the present scheme, the front side of the screen box is provided with an upper discharge port and a lower discharge port, the upper screen structure and the lower screen structure respectively include a frame, a bottom plate is provided at the bottom of the frame, and four layers of screen plates are provided above the bottom plate, and the mesh numbers of the four layers of screen plates increase downward in sequence; an upper discharge hopper and a lower discharge hopper are respectively installed on the outer sides of the upper discharge port and the lower discharge port, and the upper discharge hopper and the lower discharge hopper are provided with multiple layers of discharge bottom plates corresponding to the bottom plate and the screen plate respectively; the upper discharge hopper and the lower discharge hopper are provided with a discharge port corresponding to each layer of the discharge bottom plate; the bottom plate and the screen plate extend forward to the upper rear of the corresponding discharge bottom plate respectively. And the width of the discharge bottom plate is greater than the width of the rear end of the bottom plate or the screen plate, so that the materials in the bottom plate or the screen plate can fall into the discharge bottom plate and be output forward along the discharge bottom plate.

[0016] In a preferred embodiment of this scheme, a reinforcing plate is welded on the top of the feed square tube, and the reinforcing plate is detachably connected to the top of the screen box, which is convenient for disassembly and assembly, and the installation is more stable.

[0017] In a preferred embodiment of the present scheme, the bottom end of the inclined tube is connected to the large end of the conical tube, and the small end of the conical tube is connected to a docking tube. The docking tube can be inserted into the feed circular tube of the upper feed hopper or the lower feed hopper to achieve the docking of the inner channel, the outer channel with the upper feed hopper and the lower feed hopper.

[0018] In a preferred embodiment of this scheme, a set of hook components are respectively provided on the rear side of the screen box corresponding to the upper feed hopper and the lower feed hopper to temporarily support the upper feed hopper or the lower feed hopper during the installation process; the hook components include a mounting seat perpendicular to the rear side of the screen box, and a clamping plate is hinged at the rear end of the mounting seat, which is convenient for operators to perform single-person assembly.

[0019] In a preferred embodiment of the present invention, the top plate of the screen box is detachable; an observation port is provided on the rear side wall of the screen box between the upper feed port and the lower feed port, a plate is detachably installed outside the observation port, and a handle is provided on the outer wall of the plate. The observation port is conducive to observing and inspecting the internal structure of the screen box, and the provision of the handle makes it easy for the staff to disassemble and install the plate.

[0020] The beneficial effects of the utility model are:

[0021] (1) This scheme installs the upper and lower screen structures arranged in the screen box through two sets of driving mechanisms. The driving mechanism includes a driving motor, a lifting component, a main transmission shaft, a transmission cross bar, a transmission vertical bar, and a transmission disk; wherein the lifting component includes a screen end fixing part, and a wall end fixing part whose one end is vertically fixed on the inner wall of the screen box; the left and right side walls of the upper screen structure and the left and right side walls of the lower screen structure are respectively provided with a hinge block and a block body, the other end of the wall end fixing part is universally hinged to the top of the screen end fixing part, and the bottom end of the screen end fixing part is hinged to the hinge block on the upper screen structure or the lower screen structure; the block body is sleeved on the upper part of the main transmission shaft, and the two ends of the transmission cross bar are respectively sleeved on the main transmission shaft and the transmission vertical bar, and the transmission vertical bar is fixed on the transmission disk, and the driving motor is started, and the transmission disk rotates to drive the transmission cross bar to move, and the movement of the transmission cross bar further drives the main transmission shaft and the upper screen structure or the lower screen structure to move; thereby, the swing screening of the upper screen structure and the lower screen structure can be realized, and the screening force is large and the screening efficiency is high;

[0022] Moreover, in the present solution, the setting orientation of the hinge block and the block of the upper screen structure is exactly opposite to the setting orientation of the hinge block and the block of the lower screen structure, so that the upper screen structure and the lower screen structure can realize staggered swing under the drive of the two driving structures. The advantage of such a design is that the upper screen structure and the lower screen structure always move in the direction away from the screen box wall at the same time, or move in the direction close to the screen box wall at the same time, so that the two can always swing relative to each other, offsetting the impact force or pulling force on the screen box, so that the screening equipment can still maintain a relatively stable state when performing horizontal swing screening action on quartz sand;

[0023] (2) Compared with the traditional feeding pipe, the feeding structure of the screening equipment of this scheme can be connected with the upper feeding hopper and the lower feeding hopper at the same time through the feeding square pipe, so as to realize the simultaneous feeding of the upper feeding hopper and the lower feeding hopper. The structure is simple and convenient for overall disassembly and assembly. In addition, a cylindrical pipe fitting is provided on the top of the square pipe, and a circular plate with a leakage hole is provided at the joint between the cylindrical pipe fitting and the feeding square pipe, so that the quartz sand material falls into the feeding square pipe after passing through the leakage hole at the bottom of the cylindrical pipe fitting, which is conducive to the uniform falling of the quartz sand material, and the upper and lower insides of the feeding square pipe are uniform. An adjustable baffle and a vertical baffle are provided. The two ends of the bottom of the adjustable baffle are rotatably connected to the left and right side walls of the feed square tube respectively, so that the adjustable baffle can be rotated to adjust the top opening size of the inner channel and the outer channel. The inner channel and the outer channel are respectively connected to the upper feed hopper and the lower feed hopper. Therefore, this scheme can adjust the proportion of quartz sand material entering the upper screen structure and the lower screen structure, and thus can increase the material entering the lower screen structure and reduce the material entering the upper screen structure, which is conducive to making the operation of the equipment more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 This is a structural schematic diagram of the feed square tube of the utility model;

[0026] Figure 3 It is a structural schematic diagram of the vertical baffle of the utility model;

[0027] Figure 4 It is a schematic diagram of the structure of an enlarged view of a cylindrical tube of the utility model;

[0028] Figure 5 It is a schematic diagram of the panel of the utility model;

[0029] Figure 6 This is a schematic diagram of the top structure of the feeding square tube of the utility model;

[0030] Figure 7 It is a structural schematic diagram of the conical pipe of the utility model;

[0031] Figure 8 It is a structural schematic diagram of the discharge hopper of the utility model;

[0032] Fig. 9 It is a structural schematic diagram of the screen plate of the utility model. DETAILED DESCRIPTION

[0033] The technical solution of the present utility model is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present utility model is not limited to the following.

[0034] like Figure 1As shown, the equipment for horizontal action screening of quartz sand includes a screen box 2, an upper screen structure 31 and a lower screen structure 32 arranged in the screen box 2, a feed square pipe 05, and two driving mechanisms for driving the upper screen structure 31 and the lower screen structure 32 to swing.

[0035] Specifically, in this solution, the driving mechanism includes a driving motor 41, a hoisting component, and a transmission disk 47, and the transmission disk 47 is driven to rotate by the driving motor 41; the hoisting component includes a screen end fixing member 52, and a wall end fixing member 51 whose one end is vertically fixed to the inner wall of the screen box 2; the left and right side walls of the upper screen structure 31, and the left and right side walls of the lower screen structure 32 are respectively provided with hinge blocks 53 and blocks 43, and the setting orientation of the hinge blocks 53 and blocks 43 on the upper screen structure 31 is opposite to that of the lower screen structure 32; the other end of the wall end fixing member 51 is universally hinged to the top of the screen end fixing member 52, and the bottom end of the screen end fixing member 52 is connected to the upper screen structure 31 or The hinge block 53 on the lower screen structure 32 is hinged; the block 43 is sleeved on the upper part of the main transmission shaft 42 and fixedly connected to the main transmission shaft 42, and the bottom of the main transmission shaft 42 can be slidably installed in the base 48, and a plurality of ball bearings are installed at the bottom of the base 48; one end of the transmission cross bar 45 is sleeved on the main transmission shaft 42 through a sleeve structure, and the other end of the transmission cross bar 45 passes through the opening on the screen box 2 and is sleeved on the transmission vertical rod 46 through another sleeve structure; and the sleeve at the outer end of the transmission cross bar 45 can rotate horizontally on the transmission vertical rod 46, and the sleeve at the inner end of the transmission cross bar 45 can rotate and can be relatively moved up and down and sleeved on the main transmission shaft 42.

[0036] In this embodiment, the transmission vertical rod 46 is fixed on the transmission disk 47, and the drive motor 41 is started. The transmission disk 47 rotates to drive the transmission cross rod 45 to move. The movement of the transmission cross rod 45 then drives the main transmission shaft 42 and the upper screen structure 31 or the lower screen structure 32 to move, thereby realizing the swing screening of the upper screen structure 31 and the lower screen structure 32.

[0037] At the same time, in this embodiment, a vertical baffle 09 is provided in the feed square tube 05 to divide the feed square tube 05 into an inner channel 051 and an outer channel 052. The inner channel 051 and the outer channel 052 are respectively connected to the upper feed hopper 01 and the lower feed hopper 02 on the right side of the screen box 2; Figure 1 , Figure 2 , Figure 8 , Fig. 9 As shown, the upper screen structure 31 and the lower screen structure 32 cooperate with the upper feed hopper 01 and the upper discharge hopper 015, and the lower feed hopper 02 and the lower discharge hopper 016 respectively, so that the materials can fall into the upper screen structure 31 and the lower screen structure 32 through the upper feed hopper 01 and the lower feed hopper 02 respectively, and then be output to the left through the corresponding upper discharge hopper 015 and the lower discharge hopper 016 after screening.

[0038] Furthermore, in this solution, a spring 49 is mounted on the main transmission shaft 42 , and an abutment block is provided in the middle of the main transmission shaft 42 , and the spring 49 abuts between the abutment block and the upper surface of the second base 48 .

[0039] In this embodiment, reference Figure 2 , Figure 3 As shown, the upper feed hopper 01 and the lower feed hopper 02 are respectively installed on the outer sides of the upper feed port and the lower feed port on the rear side of the screen box 2, and a feed circular pipe 010 connected to the upper feed hopper 01 and the lower feed hopper 02 is vertically provided on the rear side thereof; an adjustable baffle 08 is also provided inside the feed square tube 05, and the adjustable baffle 08 and the vertical baffle 09 are arranged adjacent to each other up and down, so that the feed square tube 05 can be separated by the adjustable baffle 08 and the vertical baffle 09 to form an inner channel 051 and an outer channel 052; the outer channel 052 extends downward for a distance, so that the bottom end of the outer channel 052 is vertically located between the upper feed hopper 01 and the lower feed hopper 02; the two ends of the bottom of the adjustable baffle 08 are rotatably connected to the left and right side walls of the feed square tube 05, respectively, so that the adjustable baffle 08 can rotate perpendicular to the left and right side walls of the feed square tube 05.

[0040] refer to Figure 2 , Figure 4 As shown, in this scheme, the bottom end of the inner channel 051 and the bottom end of the outer channel 052 are respectively connected to the feed circular tube 010 of the upper feed hopper 01 or the lower feed hopper 02 through an inclined tube 020; a cylindrical pipe fitting 06 is also installed on the top of the feed square tube 05, and the top of the cylindrical pipe fitting 06 can be connected to the material feed pipe; a circular plate 061 is provided at the bottom of the cylindrical pipe fitting 06, and a plurality of leakage holes are evenly arranged on the circular plate 061; the bottom of the cylindrical pipe fitting 06 and the top of the feed square tube 05 respectively have outer edges extending outward, so that the bottom of the cylindrical pipe fitting 06 and the top of the feed square tube 05 can be fixedly connected by bolts.

[0041] In order to adjust the adjustable baffle 08, optionally, in this embodiment, the bottom of the adjustable baffle 08 is provided with a rotating shaft 011 which is an integral structure with it, and both ends of the rotating shaft 011 pass through and are clamped in the circular grooves 012 on the left and right side walls of the feeding square tube 05, and the circular groove 012 extends to the upper left to form a fan-shaped opening 013, reference Figure 3 , Figure 6 As shown, two fan-shaped openings 013 are formed on both sides of the adjustable baffle 08 and are vertically connected to fan-shaped baffles 014 , and the inner surfaces of the fan-shaped baffles 014 are respectively fitted with the left and right side walls of the feed square tube 05 .

[0042] Further, refer to Figure 1As shown, in this scheme, the bottom of the upper feed hopper 01 and the lower feed hopper 02 are respectively inclined feed bottom plates 03, and the feed bottom plates 03 of the upper feed hopper 01 and the lower feed hopper 02 extend forward to the upper rear part of the upper screen structure 31 and the lower screen structure 32, respectively, so that the material can fall into the screen structure through the upper feed hopper 01 and the lower feed hopper 02.

[0043] refer to Figure 8 , Fig. 9 As shown, in this embodiment, an upper discharge port and a lower discharge port are arranged on the upper and lower sides of the front side of the screen box 2, and the upper screen structure 31 and the lower screen structure 32 respectively include a frame, a bottom plate 312 is arranged at the bottom of the frame, and four layers of screen plates 311 are arranged above the bottom plate 312, and the mesh numbers of the four layers of screen plates 311 increase downward in sequence; an upper discharge hopper 015 and a lower discharge hopper 016 are respectively installed on the outer sides of the upper discharge port and the lower discharge port, and the upper discharge hopper 015 and the lower discharge hopper 016 correspond to the bottom plate 312 respectively. , the sieve plate 311 is provided with multiple layers of discharge bottom plates 017; the upper discharge hopper 015 and the lower discharge hopper 016 are provided with a discharge port corresponding to each layer of the discharge bottom plate 017; the bottom plate 312 and the sieve plate 311 extend forward to the upper rear part of the corresponding discharge bottom plate 017 respectively, and the width of the discharge bottom plate 017 is greater than the rear end width of the bottom plate 312 or the sieve plate 311, so that the materials in the bottom plate 312 or the sieve plate 311 can fall into the discharge bottom plate 017 and be discharged forward along the discharge bottom plate 017.

[0044] In this embodiment, in order to facilitate the observation, installation and maintenance of the screen, refer to Figure 2 , Figure 5 As shown, the top plate of the screen box 2 is of detachable design; an observation port is provided on the rear side wall of the screen box 2 between the upper feed port and the lower feed port, and a plate 024 is detachably installed on the outside of the observation port, and a handle 025 is provided on the outer side wall of the plate 024.

[0045] In order to ensure the stability of the installation of the feed square pipe 05, optionally, in this embodiment, a reinforcement plate 018 is welded on the top of the feed square pipe 05, and the reinforcement plate 018 is detachably connected to the top of the screen box 2.

[0046] Further, in this scheme, reference Figure 7 As shown, the bottom end of the inclined tube 020 is connected to the large end of the conical tube 019, and the small end of the conical tube 019 is connected to the docking tube 021. The docking tube 021 can be inserted into the feed circular tube 010 of the upper feed hopper 01 or the lower feed hopper 02 to achieve the docking of the inner channel 051, the outer channel 052 with the upper feed hopper 01 and the lower feed hopper 02.

[0047] In order to facilitate the installation of the feed hopper, Figure 1 , Figure 5As shown, in the present embodiment, a group of hook assemblies are respectively provided on the rear side surface of the screen box 2 corresponding to the upper feed hopper 01 and the lower feed hopper 02 to temporarily support the upper feed hopper 01 or the lower feed hopper 02 during the installation process; the hook assembly includes a mounting seat 022 perpendicular to the rear side surface of the screen box 2, and a retaining plate 023 is hinged at the rear end of the mounting seat 022, and the width of the mounting seat 022 is wider than the width of the mounting wall panel 0101 of the upper feed hopper 01 or the lower feed hopper 02, and the retaining plate 023 can limit the mounting wall panel 0101.

[0048] Further optionally, in the present embodiment, a toggle block is provided on the side of the fan-shaped baffle 014 for facilitating the toggle of the adjustable baffle 08, and a threaded hole is also provided on the fan-shaped baffle 014, by screwing screws in the threaded hole to tighten the feed square tube 05, thereby ensuring that the fan-shaped baffle 014 is fixed after being toggled to any angle.

[0049] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. Equipment for horizontal screening of quartz sand, characterized by: It comprises a screen box (2), an upper screen structure (31) and a lower screen structure (32) arranged in the screen box (2), a square feed pipe (05), and two driving mechanisms for driving the upper screen structure (31) and the lower screen structure (32) to swing; A vertical baffle (09) is provided inside the feed square tube (05) to separate the feed square tube (05) into an inner channel (051) and an outer channel (052), and the inner channel (051) and the outer channel (052) are respectively connected to an upper feed hopper (01) and a lower feed hopper (02) on the right side of the screen box (2); The upper screen structure (31) and the lower screen structure (32) are respectively matched with the upper feed hopper (01) and the upper discharge hopper (015), and the lower feed hopper (02) and the lower discharge hopper (016), so that the materials can fall into the upper screen structure (31) and the lower screen structure (32) respectively through the upper feed hopper (01) and the lower feed hopper (02), and then be discharged to the left through the corresponding upper discharge hopper (015) and the lower discharge hopper (016) after screening.

2. The device for horizontal action screening of quartz sand according to claim 1, characterized in that: The driving mechanism comprises a driving motor (41), a hoisting component, a main transmission shaft (42), a transmission crossbar (45), a transmission vertical rod (46), and a transmission disk (47), and the transmission disk (47) is driven to rotate by the driving motor (41); The hanging component comprises a screen end fixing piece (52) and a wall end fixing piece (51) with one end vertically fixed on the inner wall of the screen box (2); The left and right side walls of the upper screen structure (31) and the left and right side walls of the lower screen structure (32) are respectively provided with hinge blocks (53) and blocks (43), and the setting orientation of the hinge blocks (53) and blocks (43) on the upper screen structure (31) is opposite to that of the lower screen structure (32); The other end of the wall end fixing member (51) is universally hinged to the top of the screen end fixing member (52), and the bottom end of the screen end fixing member (52) is hinged to the hinge block (53) on the upper screen structure (31) or the lower screen structure (32); The block (43) is sleeved on the upper part of the main transmission shaft (42), and the bottom of the main transmission shaft (42) is slidably mounted in the second base (48) and a plurality of balls are mounted on the bottom of the second base (48); One end of the transmission cross bar (45) is sleeved on the main transmission shaft (42) through a sleeve structure, and the other end of the transmission cross bar (45) passes through an opening on the screen box (2) and is sleeved on the transmission vertical bar (46) through another sleeve structure; The transmission vertical rod (46) is fixed on the transmission disk (47), and the driving motor (41) is started, the transmission disk (47) rotates to drive the transmission cross rod (45) to move, and the movement of the transmission cross rod (45) further drives the main transmission shaft (42) and the upper screen structure (31) or the lower screen structure (32) to move.

3. The device for horizontal action screening of quartz sand according to claim 2, characterized in that: A contact block is provided in the middle of the main transmission shaft (42), and a spring (49) is sleeved on the main transmission shaft (42), and the spring (49) is in contact between the contact block and the upper surface of the second base (48).

4. The device for horizontal action screening of quartz sand according to claim 1, characterized in that: The upper feed hopper (01) and the lower feed hopper (02) are respectively installed on the outer sides of the upper feed port and the lower feed port at the rear side of the screen box (2), and a feed circular pipe (010) connected to the upper feed hopper (01) and the lower feed hopper (02) is respectively vertically provided at the rear side; The feed square tube (05) is further provided with an adjustable baffle (08) inside, and the adjustable baffle (08) and the vertical baffle (09) are arranged adjacent to each other up and down, so that the feed square tube (05) can be separated by the adjustable baffle (08) and the vertical baffle (09) to form an inner channel (051) and an outer channel (052); The outer channel (052) extends downward for a distance so that the bottom end of the outer channel (052) is located vertically between the upper feed hopper (01) and the lower feed hopper (02); The two ends of the bottom of the adjustable baffle (08) are rotatably connected to the left and right side walls of the feed square tube (05) respectively; The bottom end of the inner channel (051) and the bottom end of the outer channel (052) are respectively connected to the feeding circular tube (010) of the upper feeding hopper (01) or the lower feeding hopper (02) through an inclined tube (020); A cylindrical pipe (06) is also installed on the top of the feeding square pipe (05), and the top of the cylindrical pipe (06) can be connected to the material feeding pipe; A circular plate (061) is provided at the bottom of the cylindrical pipe member (06), and a plurality of material leakage holes are evenly arranged on the circular plate (061).

5. The device for horizontal action screening of quartz sand according to claim 4, characterized in that: The adjustable baffle (08) is provided with a rotating shaft (011) at the bottom, and the two ends of the rotating shaft (011) pass through and are clamped in the circular grooves (012) on the left and right side walls of the feeding square tube (05), and the circular groove (012) extends to the upper left to form a fan-shaped opening (013), and the two sides of the adjustable baffle (08) respectively pass through the two fan-shaped openings (013) and are vertically connected with fan-shaped baffles (014), and the inner surfaces of the fan-shaped baffles (014) are respectively in contact with the left and right side walls of the feeding square tube (05).

6. The device for horizontal action screening of quartz sand according to claim 5, characterized in that: The bottom of the upper feed hopper (01) and the lower feed hopper (02) are respectively inclined feed bottom plates (03), and the feed bottom plates (03) of the upper feed hopper (01) and the lower feed hopper (02) extend forward to the upper rear of the upper screen structure (31) and the lower screen structure (32), respectively, so that the material can fall into the screen through the upper feed hopper (01) and the lower feed hopper (02).

7. The device for horizontal screening of quartz sand according to claim 6, characterized in that: The front side of the screen box (2) is provided with an upper discharge port and a lower discharge port, the upper screen structure (31) and the lower screen structure (32) respectively include a frame, a bottom plate (312) is provided at the bottom of the frame, four layers of screen plates (311) are provided above the bottom plate (312), and the mesh numbers of the four layers of screen plates (311) increase in sequence downward; An upper discharge hopper (015) and a lower discharge hopper (016) are respectively installed on the outer sides of the upper discharge port and the lower discharge port. The upper discharge hopper (015) and the lower discharge hopper (016) are respectively provided with a multi-layer discharge bottom plate (017) corresponding to the bottom plate (312) and the sieve plate (311); The upper discharge hopper (015) and the lower discharge hopper (016) are each provided with a discharge port corresponding to each layer of the discharge bottom plate (017); The bottom plate (312) and the screen plate (311) respectively extend forward to the upper rear portion of the corresponding discharge bottom plate (017).

8. The device for horizontal action screening of quartz sand according to claim 7, characterized in that: A reinforcing plate (018) is welded to the top of the feed square tube (05), and the reinforcing plate (018) is detachably connected to the top of the screen box (2).

9. The device for horizontal motion screening of quartz sand according to claim 8, characterized in that: The bottom end of the inclined tube (020) is connected to the large end of the conical tube (019), and the small end of the conical tube (019) is connected to a butt joint tube (021). The butt joint tube (021) can be inserted into the feed circular tube (010) of the upper feed hopper (01) or the lower feed hopper (02) to achieve the butt joint of the inner channel (051), the outer channel (052) and the upper feed hopper (01) and the lower feed hopper (02).

10. The device for horizontal action screening of quartz sand according to claim 9, characterized in that: On the rear side of the screen box (2), a group of hook components are respectively provided corresponding to the upper feed hopper (01) and the lower feed hopper (02) to temporarily support the upper feed hopper (01) or the lower feed hopper (02) during the installation process; The hook assembly comprises a mounting seat (022) perpendicular to the rear side of the screen box (2), and a retaining plate (023) is hingedly connected to the rear end of the mounting seat (022).

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