An automatic ore feeder for screening vibrating screens in a ore dressing workshop

Abstract

The present invention relates to the technical field of automatic ore feeding, and provides an automatic ore feeder for screening vibrating screens in a ore dressing workshop, comprising a base frame with a support plate, and a hopper arranged on the top of the base frame and connected to a material frame at the bottom opening, the side wall of the material frame is provided with a discharge port, and the base frame is also provided with a transverse plate I and a transverse plate II; and also includes a pusher slidably arranged in the material frame. The present invention can ensure that the ore can be pre-flattened along the flattening frame before entering the screening vibrating screen by providing a flattening frame and a plurality of triangular-shaped dividing folding rods fitted with the flattening frame, so as to evenly fall into the screening vibrating screen, thereby avoiding the problem of local accumulation caused by the ore entering the screen in piles, and the angle of the two limiting guide plates can be changed by adjusting the structure, thereby changing the opening between the movable ends of the two limiting guide plates, and limiting the ore from falling from the opening, so as to adapt to screens of various sizes.

Description

Technical Field

[0001] The invention relates to the technical field of automatic ore feeding, in particular to an automatic ore feeder for screening vibrating screens in a ore dressing workshop. Background Art

[0002] Screening vibration screen is a key equipment for material classification in the ore dressing workshop. Its main function is to separate the mixed materials according to the particle size through vibration, so as to achieve the purpose of screening. It is widely used in various mines, quarries, construction sites and other occasions where solid materials need to be classified. When screening some small ores mixed in the ore sand, it is necessary not only to use the screening vibration screen, but also to use the ore feeding equipment to continuously provide ore for it.

[0003] The Chinese invention patent with the announcement number CN118164283B discloses a swing feeder, which drives the slide to slide in the first slide groove by rotating the screw, and the slide drives the second rotating shaft to move, thereby changing the distance between the second rotating shaft and the first rotating shaft, and then changing the swing amplitude of the swing bucket, so as to adjust the material discharge amount of the swing bucket, thereby improving the applicability of the swing feeder; in practical applications, since the swing feeder feeds ore in batches, and the equipment lacks a structure for pre-laying the ore, the ore will pile up into the screening vibrating screen when it falls, which can easily cause the problem of excessive accumulation of ore in local areas on the screen, and it takes a longer time to vibrate to complete the screening process, resulting in low overall screening efficiency; and the discharge port of the swing feeder is fixed, and it cannot adapt to screening vibrating screens of different sizes. For small-sized screening vibrating screens, the falling ore is easy to fall outside the screen, causing ore loss. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides an automatic ore feeder for screening vibrating screens in a ore dressing workshop, which can pre-lay the ore and can also adapt to vibrating screens of various sizes.

[0005] The technical implementation scheme of the present invention is: an automatic feeder for screening vibrating screens in a mineral processing workshop, comprising a base frame with a support plate, and a hopper arranged on the top of the base frame and connected to a material frame at the bottom opening, the side wall of the material frame is provided with a discharge port, and the base frame is also provided with a transverse plate I and a transverse plate II; it also includes a pushing piece slidably arranged in the material frame, and a driving structure arranged between the transverse plate I and the transverse plate II to control the movement of the pushing piece; it also includes a flat frame with a connecting plate, the flat frame is rotatably connected to the material frame through the connecting plate, and a hollow frame with a guide rod I is arranged in the flat frame, at least two partition folding rods with a triangular cross section are slidably arranged on the guide rod I, the partition folding rods are attached to the flat frame, and an elastic member is arranged between two adjacent partition folding rods; it also includes two limiting guide plates rotatably arranged in the flat frame and capable of contacting the partition folding rods; it also includes an adjustment structure for adjusting the rotation angle of the two limiting guide plates.

[0006] Optionally, the driving structure is: two linear motors installed between the transverse plate I and the transverse plate II, and a driving block slidably disposed on the linear motors and fixedly connected to the pusher.

[0007] Optionally, the adjustment structure is: two mounting folding plates arranged on the horizontal plate I, a guide rod II fixedly arranged between the two mounting folding plates, a bidirectional screw rod rotatably arranged between the two mounting folding plates, and two adjustment parts slidably arranged on the guide rod II and simultaneously rotatably cooperated with the bidirectional screw rod.

[0008] Optionally, the two adjusting members are respectively located at parts of the bidirectional screw with different rotation directions, and the bottoms of the two adjusting members are rotatably provided with a pull sleeve that slides with the limiting guide plate, and sufficient space is left in the pull sleeve for the limiting guide plate to slide.

[0009] Optionally, it also includes two limit rods arranged on the horizontal plate II, and two drive frames provided with sliding sleeves, the drive frames are slidably matched with the corresponding limit rods through the sliding sleeves, and elastic parts are provided between the sliding sleeves and the corresponding limit rods.

[0010] Optionally, the drive frame is also provided with a contact portion that fits the upper surface of the linear motor and can contact the drive block on the linear motor, and a toothed plate portion that slides with the mounting folding plate and has teeth; the end of the bidirectional screw rod is provided with a spur gear that meshes with the teeth on the toothed plate portion.

[0011] Optionally, the limit rod is provided with slots at equal intervals, and a plug-in frame with an oblique end is slidably arranged between the sliding sleeve parts on the two driving frames, an elastic member is arranged between the plug-in frame and the sliding sleeve part, and the oblique end of the plug-in frame is inserted into the slot on the corresponding limit rod.

[0012] Optionally, the pushing member is provided with a slope portion inclined toward the discharge port of the material frame, and a slide groove with a direction consistent with the slope portion is opened on the side wall of the pushing member, and a scraper with a bottom end in contact with the pushing member is slidably provided on the side wall of the material frame opposite to its discharge port, and a sliding shaft embedded in the slide groove is provided on the scraper.

[0013] Optionally, it also includes a vibration motor installed on the outside of the tiling frame, and a shock spring arranged between the support plate and the tiling frame.

[0014] Optionally, it also includes two guide rods II fixedly arranged on the material frame, and a slide frame slidably arranged on the two guide rods II and in sliding contact with the two driving blocks; elastic parts are arranged between the slide frame and the two guide rods II, and a cam extending into the material frame is fixedly arranged on the slide frame.

[0015] Beneficial effect: The present invention provides a paving frame and a plurality of dividing folding rods with triangular cross sections fitted to the paving frame, thereby ensuring that the paving frame is pre-paved before the mineral material enters the screening vibrating screen, so that it falls evenly into the screening vibrating screen, avoiding the problem of local accumulation caused by the mineral material entering the screen in piles, and the angle of the two limiting guide plates can be changed by adjusting the structure, thereby changing the opening between the movable ends of the two limiting guide plates, limiting the mineral material from falling from the opening, so as to adapt to screens of various sizes; the vibration motor and the shock spring work together to enhance the vibration of the mineral material during the paving process, which is conducive to the uniform distribution of the mineral material; a linear motor is used as The driving structure can accurately control the movement of the pushing piece to realize automatic ore feeding, reduce the need for manual operation, and improve the continuity and efficiency of work; the setting of the driving frame and the limit rod can, while the linear motor drives the pushing piece to slide and push the material, push the driving frame to move a corresponding distance according to the sliding distance of the pushing piece, and the toothed plate part on the driving frame cooperates with the spur gear on the bidirectional screw rod to realize automatic adjustment of the angle of the limit guide plate, and the limit rod cooperates with the insert frame to limit the adjusted angle; the setting of the slide and the cam can stir the ore on the upper part of the material frame while the pushing piece slides and pushes the material, so as to avoid blockage of the ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a partial structural schematic diagram of the present invention.

[0018] Figure 3 It is a schematic diagram of the internal structure of the material frame of the present invention.

[0019] Figure 4It is a schematic diagram of the matching relationship between the material frame, the material pushing member and the scraper of the present invention.

[0020] Figure 5 It is a schematic diagram of the vibration motor and the shock spring of the present invention.

[0021] Figure 6 It is a schematic diagram of the separation folding rod and the limiting guide plate of the present invention.

[0022] Figure 7 It is a schematic diagram of the hollow frame, guide rod I and separation folding rod of the present invention.

[0023] Figure 8 The present invention is a schematic diagram of installing the folding plate, guide rod II, bidirectional screw rod, adjusting member and pull sleeve.

[0024] Fig. 9 It is a schematic diagram of the matching relationship between the driving frame, the driving block and the limiting rod of the present invention.

[0025] Fig.10 It is a schematic diagram of the matching relationship between the limiting rod and the plug-in bracket of the present invention.

[0026] Label names in the figure: 1, base frame, 11, support plate, 12, hopper, 121, material frame, 122, discharge port, 13, horizontal plate I, 131, horizontal plate II, 2, linear motor, 21, drive block, 3, pusher, 31, slide groove, 32, scraper, 321, slide shaft, 4, flat frame, 41, connecting plate, 42, hollow frame, 421, guide rod I, 43, partition folding rod, 44, limit Guide plate, 5, installation folding plate, 51, guide rod II, 52, two-way screw, 53, adjustment part, 531, pull sleeve, 6, vibration motor, 61, shock spring, 7, limit rod, 71, slot, 8, drive frame, 81, sliding sleeve part, 82, contact part, 83, tooth plate part, 84, spur gear, 9, insert rack, 91, oblique end, 10, guide rod II, 101, slide, 102, cam. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the preferred embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0028] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects.

[0029] See also Figure 1-Figure 4 The embodiment of the present invention provides an automatic feeder for screening vibrating screens in a ore dressing workshop, which is used to transport ore sand and small ores mixed therein, and comprises a base frame 1, a support plate 11 is arranged in the middle of the base frame 1, a hopper 12 is arranged on the upper part of the base frame 1, and a material frame 121 is arranged at the bottom of the hopper 12, and the top opening of the hopper 12 is larger than the bottom opening, so that the ore can be better put into the hopper 12. Figure 3 The right side wall of the material frame 121 is provided with a discharge port 122, and the ore in the hopper 12 and the material frame 121 is finally discharged outward through the discharge port 122. Figure 4 A pusher 3 is slidably arranged in the material frame 121, and a slope portion oblique to the discharge port 122 is arranged on the pusher 3, and the right end of the pusher 3 is adapted to the discharge port 122. When the pusher 3 moves to the left, the ore in the material frame 121 can fall along the slope portion. When the pusher 3 is subsequently reset to the right, part of the fallen ore can be pushed out from the discharge port 122, and the amount of ore pushed out depends on the maximum distance the pusher 3 moves to the left. Figure 4 The front and rear side walls of the pusher 3 are provided with a slide groove 31 which is consistent with the slope part. A scraper 32 is slidably arranged on the left part of the material frame 121. The scraper 32 can slide up and down along the material frame 121, and a sliding shaft 321 embedded in the slide groove 31 is arranged on the scraper 32, and the bottom end of the scraper 32 contacts the upper surface of the pusher 3. When the pusher 3 slides to the left, the sliding shaft 321 slides along the slide groove 31 and pulls the scraper 32 to slide downward along the direction of the slide groove 31, so that the bottom of the scraper 32 is always in contact with the upper surface of the pusher 3, which can not only prevent the leakage of mineral materials, but also scrape off the slag attached to the pusher 3.

[0030] See also Figure 2 and Figure 3 In the embodiment of the present invention, a horizontal plate Ⅰ13 and a horizontal plate Ⅱ131 are fixedly provided on the base frame 1 by bolts. Figure 3 Two linear motors 2 are installed between the horizontal plate Ⅰ13 and the horizontal plate Ⅱ131. The two linear motors 2 are respectively located at the front and rear sides of the material frame 121, and the two linear motors 2 are provided with a driving block 21. Figure 3The bottom ends of the two driving blocks 21 are fixedly connected to the pusher 3 at the same time. The linear motor 2 provides power to control the moving distance of the driving blocks 21, and then control the moving distance of the pusher 3 to realize automatic ore feeding. The amount of ore pushed out each time will change with the moving distance of the pusher 3. The longer the moving distance, the more ore is pushed out. Figure 3 Two guide rods Ⅱ10 are also provided on the right side wall of the material frame 121, and a U-shaped slide 101 is slidably provided on the two guide rods Ⅱ10. Springs are provided between the slide 101 and the two guide rods Ⅱ10. The slide 101 is arranged around the material frame 121, and the two ends of the slide 101 are respectively in sliding contact with the corresponding drive blocks 21. Initially, the pushing member 3 blocks the discharge port 122 of the material frame 121. At this time, the two drive blocks 21 are respectively in contact with the two ends of the slide 101 and squeeze them. The spring is in a compressed state. Subsequently, the drive block 21 moves to the left and breaks away from contact with the slide 101. Under the action of the spring, the slide 101 resets to the left, and the cam 102 also moves to the left. When the drive block 21 moves to the right, it contacts the slide 101 again and squeezes it. In this way, the cam 102 will reciprocate and stir the ore in the material frame 121 to avoid blockage of the ore.

[0031] See also Figure 1 , Figure 5 , Figure 6 and Figure 7 In the embodiment of the present invention, the tiling frame 4 is further provided with two connecting plates 41 fixedly disposed at the left end. The two connecting plates 41 are rotatably connected to the front and rear side walls of the material frame 121 respectively. The tiling frame 4 is located below the material frame 121 and is tilted as a whole. Figure 5 A vibration motor 6 is also installed at the left end of the tiling frame 4, and two shock springs 61 are arranged between the support plate 11 and the tiling frame 4. When the vibration motor 6 is started, the tiling frame 4 can be controlled to vibrate, and the vibration amplitude of the tiling frame 4 is expanded through the cooperation of the shock spring 61, so that the mineral materials falling into the tiling frame 4 can be distributed more evenly. Figure 6 A hollow frame 42 is provided on the left side wall of the tiling frame 4. Figure 7 A guide rod Ⅰ 421 is provided in the hollow frame 42, and six partition folding rods 43 are slidably provided on the guide rod Ⅰ 421, and a spring is provided between two adjacent partition folding rods 43. Figure 6The partition folding rod 43 is set as a triangular rod with a triangular cross section, and the partition folding rod 43 slides in contact with the bottom of the tiling frame 4, and a channel for the mineral material to slide down is formed between the two adjacent partition folding rods 43 and the tiling frame 4. Since the partition folding rod 43 is set as a triangular rod with a triangular cross section, when the mineral material falls into the tiling frame 4 from the discharge port 122 of the material frame 121, the vibration of the vibration motor 6 and the inclined surface of the partition folding rod 43 can make the mineral material evenly distributed in the channel formed by the partition folding rod 43, and finally slide to the right along the inclined tiling frame 4, thereby completing the pre-tiling treatment of the mineral material. Figure 6 Two limiting guide plates 44 are symmetrically arranged in the paving frame 4, and the right end of the limiting guide plate 44 is in contact with the dividing folding rod 43. By adjusting the angles of the two limiting guide plates 44, the width of the final mineral material when sliding down can be changed to adapt to vibrating screens of different sizes, thereby avoiding the loss of mineral material caused by the vibrating screen being too small and causing the mineral material to fall outside the screen.

[0032] See also Figure 1 and Figure 8 In the embodiment of the present invention, a pair of mounting folding plates 5 are fixedly arranged on the left side wall of the horizontal plate Ⅰ13, a guide rod Ⅱ51 is fixedly arranged between the two mounting folding plates 5, a bidirectional screw rod 52 is rotatably arranged between the two mounting folding plates 5, and two adjusting members 53 are slidably arranged on the guide rod Ⅱ51, the two adjusting members 53 are respectively rotatably connected with the parts of the bidirectional screw rod 52 with different screw directions, and a pull sleeve 531 that is slidably matched with the limit guide plate 44 is rotatably arranged at the bottom of the adjusting member 53, and sufficient space is left in the pull sleeve 531. When the two-way screw rod 52 is turned clockwise, the two adjusting members 53 will move closer to each other, and under the action of the adjusting members 53, the ends of the two limiting guide plates 44 will rotate closer together, and the ends of the limiting guide plates 44 will squeeze the partition folding rods 43, so that the partition folding rods 43 are close to each other, and the channel formed between the partition folding rods 43 and the paving frame 4 will also become narrower, so that the device is suitable for scenes with small mineral material flow and is suitable for smaller vibration screens. And the space reserved in the dial sleeve 531 can reserve space for the limiting guide plate 44 to move when the vibration motor 6 is started and the limiting guide plate 44 swings up and down with the paving frame 4, so as to avoid direct collision between the limiting guide plate 44 and the dial sleeve 531, resulting in damage to the device.

[0033] See also Figure 1 , Fig. 9 and Fig.10 In the embodiment of the present invention, two limit rods 7 are arranged on the right side wall of the horizontal plate II 131. Fig.10 The limit rod 7 is provided with four slots 71 at equal intervals. Fig. 9 , spur gears 84 are provided at both ends of the bidirectional screw rod 52. Fig. 9The embodiment of the present invention also includes two drive frames 8, on which a sliding sleeve portion 81, a contact portion 82 and a toothed plate portion 83 are provided. The drive frame 8 is slidably connected to the limit rod 7 on the same side through the sliding sleeve portion 81, and a spring is provided between the limit rod 7 and the sliding sleeve portion 81. The contact portion 82 of the drive frame 8 is in contact with the upper surface of the housing of the linear motor 2, and when the drive block 21 moves to the left, it will contact the contact portion 82 of the drive frame 8. The toothed plate portion 83 of the drive frame 8 is slidably matched with the mounting folding plate 5, and the teeth on the toothed plate portion 83 are meshed with the spur gear 84 at the end of the bidirectional screw rod 52. See FIG. Fig. 9 The two drive frames 8 have a plug-in frame 9 slidably disposed between the sliding sleeves 81, and a spring is disposed between the plug-in frame 9 and the sliding sleeves 81. Fig.10 The inserting frame 9 is configured as an N-type, and both ends of the bottom are configured as oblique ends 91, the left portion of the oblique end 91 is configured as an inclined surface, and the right portion is a flat surface. The oblique end 91 passes through the sliding sleeve portion 81 and is inserted into the corresponding slot 71 on the limiting rod 7.

[0034] When the linear motor 2 controls the driving block 21 to move to the left, the driving block 21 contacts the contact portion 82 of the driving frame 8, and the driving frame 8 is pushed to move to the left as a whole. Since both ends of the bottom of the inserting frame 9 are set as inclined ends 91, when the driving frame 8 moves to the left, the inclined end 91 will rise along the inclined surface in the slot 71 until it enters the slot 71 located further to the left. When the driving block 21 is reset to the right, the driving block 21 will be out of contact with the driving frame 8. At this time, since the inclined end 91 is inserted into the slot 71 and is blocked by the flat surface of the inclined end 91, the driving frame 8 is limited. In the previous process of the driving frame 8 moving to the left, its tooth plate portion 83 will move to the left accordingly, and drive the spur gear 84 and the bidirectional screw 52 to rotate counterclockwise, and the adjusting member 53 on the bidirectional screw 52 will move away from each other, and the two limit guide plates 44 will open accordingly, realizing the automatic adjustment of the limit guide plates 44. The further the driving block 21 moves to the left, the further the driving frame 8 moves to the left. The inclined end 91 of the inserting frame 9 will be inserted into the slot 71 further to the left, and the opening angle of the two limiting guide plates 44 will be larger, so as to adapt to the mineral material with a larger flow rate. The inserting frame 9 is pulled upward to disengage the inclined end 91 from the slot 71, and the driving frame 8 is pulled to slide, and the opening angle of the two limiting guide plates 44 can also be adjusted manually.

[0035] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

[0036] The above are only optional embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic ore feeder for screening vibrating screens in a ore dressing workshop, comprising a base frame (1) with a support plate (11), and a hopper (12) arranged on the top of the base frame (1) and connected to a material frame (121) at the bottom opening, a material outlet (122) being provided on a side wall of the material frame (121), and a transverse plate I (13) and a transverse plate II (131) being further provided on the base frame (1); Its characteristics are: It also includes a material pushing member (3) slidably disposed in the material frame (121), and a driving structure disposed between the transverse plate I (13) and the transverse plate II (131) for controlling the movement of the material pushing member (3); It also includes a paving frame (4) with a connecting plate (41), the paving frame (4) being rotatably connected to the material frame (121) via the connecting plate (41), and a hollow frame (42) with a guide rod I (421) being arranged inside the paving frame (4), at least two partition folding rods (43) having a triangular cross section being slidably arranged on the guide rod I (421), the partition folding rods (43) being in contact with the paving frame (4), and an elastic member being arranged between two adjacent partition folding rods (43); It also includes two limiting guide plates (44) which are rotatably arranged in the paving frame (4) and are capable of contacting the partition folding rods (43); It also includes an adjustment structure for adjusting the rotation angle of the two limit guide plates (44); The driving structure comprises: two linear motors (2) installed between the horizontal plate I (13) and the horizontal plate II (131), and a driving block (21) slidably arranged on the linear motors (2) and fixedly connected to the pusher (3); The adjustment structure comprises: two mounting folding plates (5) arranged on the horizontal plate I (13), a guide rod II (51) fixedly arranged between the two mounting folding plates (5), a bidirectional screw rod (52) rotatably arranged between the two mounting folding plates (5), and two adjustment members (53) slidably arranged on the guide rod II (51) and simultaneously rotatably matched with the bidirectional screw rod (52); The two adjusting members (53) are respectively located at parts of the bidirectional screw rod (52) with different thread rotation directions, and the bottoms of the two adjusting members (53) are rotatably provided with a pull sleeve (531) that slidably cooperates with the limit guide plate (44), and sufficient space is reserved in the pull sleeve (531) for the limit guide plate (44) to slide.

2. The automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 1, characterized in that: It also includes two limit rods (7) arranged on the horizontal plate II (131), and two drive frames (8) provided with sliding sleeves (81), wherein the drive frames (8) are slidably matched with the corresponding limit rods (7) through the sliding sleeves (81), and an elastic member is provided between the sliding sleeves (81) and the corresponding limit rods (7).

3. The automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 2, characterized in that: The drive frame (8) is also provided with a contact portion (82) that fits the upper surface of the linear motor (2) and can contact the drive block (21) on the linear motor (2), and a toothed plate portion (83) that slidably cooperates with the mounting folding plate (5) and has teeth; the end of the bidirectional lead screw (52) is provided with a spur gear (84) that meshes with the teeth on the toothed plate portion (83).

4. The automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 3 is characterized by: The limit rod (7) is provided with slots (71) at equal intervals, and a plug-in frame (9) with an oblique end (91) is slidably arranged between the sliding sleeve portions (81) on the two drive frames (8), an elastic member is arranged between the plug-in frame (9) and the sliding sleeve portion (81), and the oblique end (91) of the plug-in frame (9) is inserted into the slot (71) on the corresponding limit rod (7).

5. The automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 4, characterized in that: The pusher (3) is provided with a slope portion which is inclined toward the discharge port (122) of the material frame (121), and a slide groove (31) which runs in the same direction as the slope portion is provided on the side wall of the pusher (3). A scraper (32) whose bottom end contacts the pusher (3) is slidably provided on the side wall of the material frame (121) opposite to the discharge port (122), and a sliding shaft (321) which is embedded in the slide groove (31) is provided on the scraper (32).

6. The automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 5, characterized in that: It also includes a vibration motor (6) installed on the outside of the tiling frame (4), and a shock spring (61) arranged between the support plate (11) and the tiling frame (4).

7. An automatic ore feeder for screening vibrating screens in a ore dressing workshop according to claim 6, characterized in that: It also includes two guide rods II (10) fixedly arranged on the material frame (121), and a slide frame (101) slidably arranged on the two guide rods II (10) and in sliding contact with two driving blocks (21) at the same time; elastic members are arranged between the slide frame (101) and the two guide rods II (10), and a cam (102) extending into the material frame (121) is fixedly arranged on the slide frame (101).

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