A feeding device for quartz sand production

Abstract

The application discloses a quartz sand production feeding device and relates to the technical field of quartz sand production and processing. The application discloses a quartz sand production feeding device and relates to the technical field of quartz sand production and processing. The application discloses a quartz sand production feeding device and relates to the technical field of quartz sand production and processing.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of quartz sand production and processing, and particularly relates to a feeding device for quartz sand production. BACKGROUND

[0002] Quartz sand is a silicate mineral with hardness, wear resistance and stable chemical properties, and the main mineral component is silicon dioxide. According to the purity and impurity content of the quartz sand, the content of silicon dioxide is usually above 85%-99.9%; in addition to silicon dioxide, the quartz sand may also contain a small amount of feldspar, mica, iron minerals, clay and other impurities, and the types and contents of the impurities directly affect the quality and use of the quartz sand; the production and processing of the quartz sand generally includes the steps of ore mining, crushing, screening, washing, purification, drying and packaging.

[0003] In the prior art, the quartz sand needs to be fed by using a conveying device in the crushing and screening process, and a conveying belt is a commonly used device in the feeding device, the quartz sand material to be processed is usually poured into one end of the conveying belt, and then the conveying belt rotates to convey the quartz sand material to a processing position; however, the quartz sand material is unevenly distributed on the surface of the conveying belt during the conveying process, so that the conveying belt is unevenly stressed during rotation, thereby accelerating the wear of the conveying belt, reducing the service life of the conveying belt, and increasing the work intensity of the workers if the workers manually disperse the quartz sand material; in addition, the workers near the conveying belt are prone to inhale dust, which is harmful to the health of the workers; and the surface of the conveying belt is prone to be stained with stains, and some corrosive stains cannot be cleaned in time, which also affects the service life of the conveying belt. Therefore, the application provides a feeding device for quartz sand production. SUMMARY

[0004] The application aims to provide a feeding device for quartz sand production to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a feeding device for quartz sand production, comprising a supporting frame, a conveying belt installed above the supporting frame, and the following components:

[0006] The supporting blocks are arranged in a rectangular distribution and fixed to the outer surface of the conveying belt, four fixing covers are fixed between the four supporting blocks, the fixing covers are located above the conveying belt, two fixing rods in a symmetrical distribution are fixed to the inner wall of the fixing cover, a sliding rod is slidably connected between the two fixing rods, a connecting frame is fixed to the bottom surface of the sliding rod, a plurality of stirring rods matched with the surface of the conveying belt are fixed to the bottom surface of the connecting frame, and a swing dispersion mechanism is arranged on the outer surface of the fixing cover corresponding to the stirring rods.

[0007] The lower hopper is rotatably arranged at the end of the conveying belt, the lower hopper is provided with a pre-cleaning mechanism on the surface.

[0008] Preferably, the swing dispersion mechanism comprises:

[0009] The fixed frame is fixed to one side of the conveying belt, the top surface of the fixed frame is fixedly installed with a driving motor, the output end of the driving motor is fixedly provided with a rotating disc, the surface of the rotating disc is fixedly provided with a rotating rod, and the outer surface of the rotating rod is movably sleeved with a rectangular ring.

[0010] The push rod is fixed to one side of the connecting frame, and the end of the push rod is fixed to one side of the rectangular ring.

[0011] Preferably, the swing dispersion mechanism further comprises:

[0012] The connecting rod is fixed to the bottom surface of the rectangular ring, the inner wall of the lower hopper is movably penetrated by two movable rods, one end of the two movable rods is fixedly provided with a supporting plate, the top surface of the supporting plate is fixedly provided with a plurality of scrapers, the end of the connecting rod is fixed to the end of one of the movable rods, and the outer surface of the lower hopper is provided with a vibration assembly.

[0013] Preferably, the pre-cleaning mechanism comprises:

[0014] The limiting rod is arranged in two and symmetrically fixed to the outer surface of the lower hopper, the outer surface of the limiting rod is movably sleeved with a sliding seat, the top surface of the two sliding seats is inserted with a cleaning brush, and the outer surface of the limiting rod is provided with a first spring matched with the sliding seat.

[0015] Preferably, the two sides of the lower hopper are fixedly provided with connecting plates, the two sides of the conveying belt are fixedly provided with fixed columns, and the connecting plates are rotatably sleeved on the outer surface of the fixed columns.

[0016] Preferably, the outer surface of the fixed column is fixedly sleeved with a fixed disc, the surface of the fixed disc is uniformly provided with a plurality of limiting holes, the surface of the connecting plate is threadedly penetrated by a limiting bolt, and the end of the limiting bolt is inserted into the limiting hole.

[0017] Preferably, the vibration assembly comprises:

[0018] The surface of the L-shaped fixing seat is movably penetrated by a jacking rod, one end of the jacking rod is fixedly provided with a mounting block, the surface of the mounting block is rotatably connected with a roller, the other end of the movable rod is fixedly provided with a mounting rod, the end of the mounting rod is rotatably connected with a sleeve, the end of the sleeve is inserted with a pull rod, the end of the pull rod is rotatably connected with a traction rod, the end of the traction rod is fixedly provided with a movable seat, the surface of the movable seat is provided with two arc-shaped sliding grooves matched with the roller, and the outer surface of the jacking rod is provided with a second spring.

[0019] Preferably, the outer surface of the discharging hopper is fixedly provided with a limiting frame, and the traction rod movably penetrates the limiting frame.

[0020] Preferably, the outer surface of the discharging hopper is fixedly provided with an abutting block matched with the end of the jacking rod.

[0021] Preferably, the top surface of the conveying belt is fixedly provided with a fixed block on one side, and the fixed block is fixedly provided with a clamping rod movably penetrating the connecting rod.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] Through the arrangement of the connecting frame, the fixing cover, the sliding rod and the swing dispersion mechanism, the present application realizes the horizontal reciprocating swing function of the stirring rod in the fixing cover, thereby dispersing the sand and stone on the conveying belt, ensuring the uniform distribution of the sand and stone on the conveying belt, improving the service life of the conveying belt, cleaning the impurities and stains adhered to the surface of the conveying belt through the pre-cleaning mechanism, and moving the scraper in the discharging box when the stirring rod swings, thereby performing secondary cleaning on the surface of the pre-cleaned conveying belt, thereby removing the relatively stubborn stains, avoiding the corrosion of the stains on the conveying belt, and reducing the inhalation of dust by the workers.

[0024] Through the arrangement of the vibration assembly, the present application realizes the contact and collision between the jacking rod and the abutting block when the scraper moves, thereby causing the discharging hopper to vibrate, reducing the blocking of the discharging hopper, and facilitating the angle adjustment of the discharging hopper through the cooperation between the discharging hopper, the connecting plate, the fixing column and the limiting bolt, thereby improving the convenience of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic view of the overall structure of the present application;

[0026] Figure 2 It is another perspective view of the structure of the present application;

[0027] Figure 3 It is a schematic view of the enlarged structure at A in the middle; Figure 2

[0028] ​Figure 4 As Figure 2 Enlarged structural schematic view at B;

[0029] Figure 5 As

[0030] Figure 6 As

[0031] Figure 7 As

[0032] Figure 8 As Figure 7 Enlarged structural schematic view at C;

[0033] Figure 9 As

[0034] In the figure: 1, support frame; 2, conveying belt; 3, support block; 4, fixed cover; 5, fixed rod; 6, sliding rod; 7, connecting frame; 8, stirring rod; 9, discharge hopper; 10, discharge box; 11, fixed frame; 12, driving motor; 13, rotating disc; 14, rotating rod; 15, rectangular ring; 16, push rod; 17, connecting rod; 18, movable rod; 19, supporting plate; 20, scraper; 21, limiting rod; 22, sliding seat; 23, cleaning brush; 24, first spring; 25, connecting plate; 26, fixed column; 27, fixed disc; 28, limiting hole; 29, limiting bolt; 30, L-shaped fixed seat; 31, jacking rod; 32, mounting block; 33, roller; 34, sleeve; 35, pull rod; 36, traction rod; 37, movable seat; 38, arc-shaped sliding groove; 39, second spring; 40, limiting frame; 41, abutting block; 42, fixed block; 43, clamping rod; 44, mounting rod. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0036] Embodiment one: please refer to Figures 1-9 The present application provides a technical solution: a feeding device for quartz sand production, comprising a support frame 1, a conveying belt 2 is installed above the support frame 1, and further comprising:

[0037] Supporting blocks 3, four supporting blocks 3 are arranged on the outer surface of the conveying belt 2 in a rectangular distribution, a fixed cover 4 is fixed between the four supporting blocks 3, the fixed cover 4 is located above the conveying belt 2, the inner wall of the fixed cover 4 is fixed with two fixed rods 5 arranged in a symmetrical distribution, a sliding rod 6 is slidably connected between the two fixed rods 5, the bottom surface of the sliding rod 6 is fixed with a connecting frame 7, the bottom surface of the connecting frame 7 is fixed with a plurality of stirring rods 8 matched with the surface of the conveying belt 2, and the outer surface of the fixed cover 4 is provided with a swing dispersion mechanism corresponding to the stirring rods 8.

[0038] A lower hopper 9 is rotatably arranged at the end of the conveying belt 2, and a lower hopper 9 is arranged at the lower middle part of the conveying belt 2. The surface of the lower hopper 9 is provided with a pre-cleaning mechanism.

[0039] It should be noted that the two sides of the fixed cover 4 correspond to the two ends of the conveying belt 2 and are respectively provided with a feeding through hole. The top middle of the fixed cover 4 is fixed with a conduit, and the air inlet end of the external dust collection equipment can be butt jointed with the end of the conduit, so that the dust in the fixed cover 4 can be absorbed, the overflow of dust is reduced, and the air quality of the workshop is improved. The conveying belt 2 is connected and fixed with the supporting frame 1 through the installation of a rotatable support, and the hydraulic cylinder is installed on one side of the top surface of the supporting frame 1. The feeding height of the conveying belt 2 is adjusted by lifting and lowering of the hydraulic cylinder.

[0040] Further as shown in Figure 1 , Figure 3 and Figure 5 , it is worth noting that the swing dispersion mechanism comprises:

[0041] The fixed frame 11 is fixed on one side of the conveying belt 2, and the driving motor 12 is fixedly installed on the top surface of the fixed frame 11. The output end of the driving motor 12 is fixed with a rotating disc 13, the surface of the rotating disc 13 is fixed with a rotating rod 14, and the outer surface of the rotating rod 14 is movably sleeved with a rectangular ring 15.

[0042] The push rod 16 is fixed on one side of the connecting frame 7, and the end of the push rod 16 is fixed with the side of the rectangular ring 15.

[0043] It is worth noting that the driving motor 12 drives the rotating disc 13 to rotate, so that the rotating rod 14 extrudes the rectangular ring 15, thereby driving the push rod 16 to move horizontally and reciprocally in the fixed cover 4, and further driving the connecting frame 7 and the sliding rod 6 to slide on the fixed rod 5, so that the stirring rod 8 disperses and processes the sand and stones on the conveying belt 2, thereby avoiding the uneven distribution of sand and stones on the conveying belt 2, which causes uneven stress, accelerates the wear of the conveying belt 2, and affects the service life of the conveying belt 2.

[0044] Further as shown in Figure 7 and Figure 8 , it is worth noting that the pre-cleaning mechanism comprises:

[0045] The limiting rods 21 are provided with two and symmetrically fixed to the outer surface of the lower hopper 9, the outer surface of the limiting rod 21 is slidingly sleeved with the sliding seat 22, the top surface of the two sliding seats 22 is inserted with the cleaning brush 23, and the outer surface of the limiting rod 21 is provided with the first spring 24 matched with the sliding seat 22.

[0046] It should be noted that one end of the first spring 24 is fixed to the surface of the sliding seat 22, wherein the end of the limiting rod 21 is fixed with a protrusion, and the other end of the first spring 24 is fixed to the surface of the protrusion; when the conveying belt 2 rotates, the debris attached to the surface of the conveying belt 2 falls through the cleaning of the cleaning brush 23, the cleaning brush 23 drives the sliding seat 22 to move upward during cleaning, thereby pulling the first spring 24, so that the cleaning brush 23 can shake during cleaning, thereby facilitating the cleaning of the debris on the surface of the conveying belt 2; and the cleaning brush 23 is fixed on the sliding seat 22 by bolts, when the cleaning force of the cleaning brush 23 decreases after long-term use, it can be removed and replaced, wherein different sizes of cleaning brushes 23 can be replaced when the angle of the lower hopper 9 is adjusted, so that the cleaning brush 23 can always be in contact with the surface of the conveying belt 2.

[0047] Further as shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , it is worth noting that the two sides of the lower hopper 9 are fixed with the connecting plate 25, the two sides of the conveying belt 2 are fixed with the fixed column 26, the connecting plate 25 is rotatably sleeved on the outer surface of the fixed column 26, the outer surface of the fixed column 26 is fixedly sleeved with the fixed disc 27, and the surface of the fixed disc 27 is uniformly provided with a plurality of limiting holes 28. The surface of the connecting plate 25 is threaded through the limiting bolt 29, and the end of the limiting bolt 29 is inserted into the limiting hole 28.

[0048] It is worth noting that by pulling the lower hopper 9, the lower hopper 9 is rotated on the fixed column 26 through the connecting plate 25, thereby adjusting the position of the lower outlet of the lower hopper 9 by a certain angle, and by rotating the limiting bolt 29, the end of the limiting bolt 29 penetrates the limiting hole 28 on the fixed disc 27, thereby limiting the lower hopper 9 and maintaining the stability after rotation.

[0049] Example two: based on example one, according to Figure 3 and Figure 6 , it is worth noting that the swing dispersion mechanism further comprises:

[0050] The connecting rod 17 is fixed to the bottom surface of the rectangular ring 15, the inner wall of the blanking box 10 is movably penetrated by two movable rods 18, the end of the two movable rods 18 close to each other is fixed with a supporting plate 19, the top surface of the supporting plate 19 is fixed with a plurality of scrapers 20, the end of the connecting rod 17 is fixed with the end of one of the movable rods 18, and the outer surface of the blanking hopper 9 is provided with a vibration assembly.

[0051] It is worth noting that the rectangular ring 15 drives the connecting rod 17 to move horizontally, so that the scrapers 20 on the supporting plate 19 are driven by the movable rod 18 to move horizontally, thereby cleaning the more stubborn stains attached to the surface of the conveying belt 2.

[0052] Further as shown in Figure 6 and Figure 7 It is worth noting that the vibration assembly comprises:

[0053] The L-shaped fixed seat 30 is movably penetrated by a top rod 31 on its surface, one end of the top rod 31 is fixed with a mounting block 32, the surface of the mounting block 32 is rotatably connected with a roller 33, the end of the other movable rod 18 is fixed with a mounting rod 44, the end of the mounting rod 44 is rotatably connected with a sleeve 34, the end of the sleeve 34 is inserted with a pull rod 35, the end of the pull rod 35 is rotatably connected with a traction rod 36, the end of the traction rod 36 is fixed with a movable seat 37, the surface of the movable seat 37 is provided with two arc-shaped sliding grooves 38 matched with the roller 33, and the outer surface of the top rod 31 is provided with a second spring 39.

[0054] It should be noted that the scraper 20 drives the movable rod 18 to move horizontally, so that the sleeve 34 and the pull rod 35 are driven by the mounting rod 44 to move horizontally, thereby pulling the traction rod 36 to move, and then driving the movable seat 37 to move horizontally, so that the roller 33 slides in the arc-shaped sliding groove 38, so that the top rod 31 collides with the surface of the blanking hopper 9, thereby causing the blanking hopper 9 to vibrate, achieving the purpose of smooth feeding of the blanking hopper 9.

[0055] Further as shown in Figure 1 and Figure 7 It is worth noting that the outer surface of the blanking hopper 9 is fixed with a limiting frame 40, the traction rod 36 movably penetrates the limiting frame 40, and the limiting frame 40 supports the traction rod 36 to keep the traction rod 36 stable when moving horizontally; the outer surface of the blanking hopper 9 is fixed with an abutting block 41, the abutting block 41 is matched with the end of the top rod 31, the top rod 31 collides with the abutting block 41 when moving, so that the blanking hopper 9 vibrates, avoiding the abrasion of the blanking hopper 9.

[0056] Further as shown in Figure 3As shown, worth noting is that the top surface side of the conveying belt 2 is fixed with a fixed block 42, one side of the fixed block 42 is fixed with a clamping rod 43, the clamping rod 43 movably penetrates the connecting rod 17, the connecting rod 17 is limited through the clamping rod 43, thereby improving the stability of the rectangular ring 15 when horizontally moving.

[0057] Working principle: pour the sand and gravel to be treated on the conveying belt 2, and feed the sand and gravel through the conveying belt 2, in the conveying process, the driving motor 12 drives the rotating disc 13 to rotate, so that the rotating rod 14 extrudes the rectangular ring 15, thereby driving the push rod 16 to move horizontally reciprocatingly in the fixed cover 4, further driving the connecting frame 7 and the slide rod 6 to slide on the fixed rod 5, so that the stirring rod 8 disperses the sand and gravel on the conveying belt 2, thereby ensuring that the sand and gravel are evenly distributed on the conveying belt 2, avoiding uneven force on the conveying belt 2 due to uneven distribution of the sand and gravel, and reducing the service life thereof; when the conveying belt 2 rotates, the debris and impurities attached to the surface of the conveying belt 2 fall through the cleaning of the cleaning brush 23, the cleaning brush 23 drives the slide 22 to move when cleaning, thereby pulling the first spring 24, so that the cleaning brush 23 can shake when cleaning, thereby facilitating the cleaning of the impurities on the surface of the conveying belt 2; and the cleaning brush 23 is fixed on the slide 22 through bolts, when the cleaning force of the cleaning brush 23 decreases after long-term use, the cleaning brush 23 can be removed and replaced, wherein different sizes of cleaning brushes 23 can be replaced according to different angles of the discharge hopper 9, so that the cleaning brush 23 can always be in contact with the surface of the conveying belt 2; the rectangular ring 15 drives the connecting rod 17 to move when horizontally reciprocating, thereby driving the scraper 20 on the supporting plate 19 to move horizontally reciprocatingly through the movable rod 18, thereby cleaning the more stubborn stains attached to the surface of the conveying belt 2, and the cleaned stains fall into the discharge box 10, and the workers can place a collection container such as a collection box below the discharge opening of the discharge box 10, thereby facilitating the collection of the stains and reducing the pollution and corrosion of the stains to the conveying belt 2; the scraper 20 moves horizontally reciprocatingly through the supporting plate 19 to drive the movable rod 18 to move, thereby driving the sleeve 34 and the pull rod 35 to move horizontally through the mounting rod 44, further pulling the traction rod 36 to move, and then driving the movable seat 37 to move horizontally reciprocatingly, so that the roller 33 slides in the arc-shaped sliding groove 38, thereby the top rod 31 collides with the surface of the discharge hopper 9, further causing the discharge hopper 9 to vibrate, thereby achieving the purpose of smooth discharge of the discharge hopper 9; by pulling the discharge hopper 9, the discharge hopper 9 rotates on the fixed column 26 through the connecting plate 25, thereby adjusting the position of the discharge opening of the discharge hopper 9 by a certain angle, rotating the limiting screw 29, so that the end of the limiting screw 29 penetrates the limiting hole 28 on the fixed disc 27, thereby limiting the discharge hopper 9, and the discharge hopper 9 drives the pull rod 35 to move in the sleeve 34 when rotating.

[0058] According to the above working process, it can be known that the horizontal reciprocating swing function of the stirring rod 8 in the fixed cover 4 is realized through the arrangement of the connecting frame 7, the fixed cover 4, the sliding rod 6, the swing dispersion mechanism and the like, so that the sand and stones on the conveying belt 2 are dispersed and treated, and then the sand and stones are uniformly distributed on the conveying belt 2, the service life of the conveying belt 2 is improved, the impurities and stains adhered on the surface of the conveying belt 2 are cleaned through the pre-cleaning mechanism, and at the same time, the scraper 20 is driven to move horizontally in the discharging box 10 when the stirring rod 8 swings, so that the surface of the pre-cleaned conveying belt 2 is secondarily cleaned, and then the relatively stubborn stains are cleaned down, the corrosion of the stains on the conveying belt 2 is avoided, the inhalation of dust by workers is reduced, and the air quality of the processing workshop is improved.

[0059] The driving motor 12 can be purchased in the market and is separately provided with a power supply, which belongs to mature technology in the art and has been fully disclosed, so the description is not repeated here.

[0060] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0061] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A quartz sand production feeding device, comprising a support frame (1), a conveying belt (2) is installed above the support frame (1), characterized in that: Also include: Supporting block (3), supporting block (3) is provided with four and is fixed to the outer surface of the conveying belt (2) in rectangular distribution, four supporting blocks (3) are fixed with fixed cover (4), the fixed cover (4) is located above the conveying belt (2), the inner wall of the fixed cover (4) is fixed with two symmetrically distributed fixed rods (5), two fixed rods (5) are slidably connected with slide rod (6), the bottom surface of the slide rod (6) is fixed with connecting frame (7), the bottom surface of the connecting frame (7) is fixed with a plurality of stirring rods (8) matched with the surface of the conveying belt (2), the outer surface of the fixed cover (4) is provided with a swing dispersion mechanism corresponding to the stirring rod (8); The lower hopper (9) is rotatably arranged at the end of the conveying belt (2), and the lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). 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The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the conveying belt (2). The lower hopper (9) is rotatably arranged at the end of the ​ ​ ​ ​ ​ ​ ​ The surface of L-shaped fixing base (30) is movably penetrated by a jacking rod (31), one end of the jacking rod (31) is fixedly provided with a mounting block (32), the surface of the mounting block (32) is rotatably connected with a roller (33), the other end of the movable rod (18) is fixedly provided with a mounting rod (44), the end of the mounting rod (44) is rotatably connected with a sleeve (34), the end of the sleeve (34) is inserted with a pull rod (35), the end of the pull rod (35) is rotatably connected with a traction rod (36), the end of the traction rod (36) is fixedly provided with a movable seat (37), the surface of the movable seat (37) is provided with two arc-shaped sliding grooves (38) matched with the roller (33), the outer surface of the jacking rod (31) is provided with a second spring (39).

2. The quartz sand production feeding device according to claim 1, characterized in that: The both sides of the lower hopper (9) are fixedly provided with connecting plates (25), the both sides of the conveying belt (2) are fixedly provided with fixed columns (26), the connecting plates (25) are rotatably sleeved on the outer surfaces of the fixed columns (26).

3. The quartz sand production feeding device according to claim 2, characterized in that: The outer surface of the fixed column (26) is fixedly sleeved with a fixed disc (27), the surface of the fixed disc (27) is uniformly provided with a plurality of limiting holes (28), the surface of the connecting plate (25) is threadedly penetrated by a limiting bolt (29), the end of the limiting bolt (29) is inserted with the limiting hole (28).

4. The quartz sand production feeding device according to claim 3, characterized in that: The outer surface of the lower hopper (9) is fixedly provided with a limiting frame (40), the traction rod (36) movably penetrates the limiting frame (40).

5. The quartz sand production feeding device according to claim 4, characterized in that: The outer surface of the lower hopper (9) is fixedly provided with an abutting block (41), the abutting block (41) is matched with the end of the jacking rod (31).

6. The quartz sand production feeding device according to claim 1, characterized in that: The top surface of the conveying belt (2) is fixedly provided with a fixed block (42) on one side, one side of the fixed block (42) is fixedly provided with a clamping rod (43), the clamping rod (43) movably penetrates the connecting rod (17).

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