Tungsten ore raw material crushing device facilitating discharging

Abstract

The invention relates to the technical field of tungsten ore raw material crushing devices, and discloses a convenient-to-discharge tungsten ore raw material crushing device which comprises a crushing box main body, a crushing mechanism is arranged in the crushing box main body, a screening mechanism is arranged below the crushing mechanism, and an opening and closing mechanism is arranged on the side surface of the upper part of the crushing box main body. Drying and feeding mechanisms are arranged on the two sides of the interior of the crushing box body and used for conveying crushed and screened large chippings and agglomerated tungsten ore chippings to the position above the crushing mechanism to be crushed again, and the crushed and screened large chippings and agglomerated tungsten ore chippings are conveyed to the top of a longitudinal conveying pipe through a transverse worm and a longitudinal worm; and the crushed tungsten ores continuously fall above the first crushing roller and the second crushing roller from the secondary crushed material outlet to achieve the secondary crushing effect, are conveyed through the transverse worm, the longitudinal worm and the longitudinal conveying pipe and are dried through the drying pipe at the same time, and the effect of drying the crushed tungsten ores when the crushed tungsten ores are screened and conveyed to be subjected to secondary crushing is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of tungsten ore raw material crushing devices, and in particular provides a tungsten ore raw material crushing device which is convenient for material discharge. Background Art

[0002] Tungsten ore raw material crushing device can crush the incompletely crushed tungsten ore raw materials into small pieces, which is convenient for subsequent processing and utilization. Tungsten ore raw material crushing device plays an important role and significance in the utilization of tungsten ore resources, improving production efficiency, reducing energy consumption and environmental protection.

[0003] The patent with announcement number CN213222407U discloses a tungsten ore raw material crushing device which is convenient for unloading, including a box body, a feeding funnel is arranged on the top of the box body, two crushing rollers are arranged on both sides of the feeding funnel in the box body, the outer sides of the two crushing rollers are arranged with crushing rolling teeth, and the two crushing rollers are driven by two first driving motors arranged on the outer side of the box body respectively; a screening plate is arranged inside the box body, the two ends of the screening plate are arc-shaped and abut against the inner wall of the box body, the abutment part of the inner wall of the box body and the screening plate is correspondingly arc-shaped, and the arc angle of the arc-shaped part of the inner wall of the box body is greater than the arc angle of the arc-shaped part of the screening plate; a plurality of compression springs are fixed at the two ends of the bottom of the screening plate, and the bottoms of the compression springs at the two ends are respectively fixed with connecting blocks 1 and 2, an electric push rod is arranged below the connecting block 1, and one side of the connecting block 2 is fixed to the inner wall of the box body; it has the effect of causing the screening plate to be in an inclined state and reducing the processing time.

[0004] This application improves a tungsten ore raw material crushing device that is easy to unload. The electric push rod can lift one end of the screen plate by squeezing the compression spring, and the two arc-shaped ends of the screen plate move along the arc-shaped inner wall of the box, causing the screen plate to be inclined. When unloading, the block tungsten ore moves down along the inclined surface of the screen plate due to gravity, and the block tungsten ore can be discharged through the discharge door to achieve unloading, which greatly reduces the intensity of manual labor and saves a lot of time. However, after the tungsten ore is crushed, some relatively moist tungsten ore powder is easy to adhere to form blocks, which will cause the drying mesh holes to be blocked, and some larger tungsten ore powder will be produced after crushing. For this reason, we propose a tungsten ore raw material crushing device that is easy to unload. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a tungsten ore raw material crushing device that is easy to unload, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tungsten ore raw material crushing device that is easy to unload, comprising a crushing box main body, a crushing mechanism is arranged inside the crushing box main body, a screening mechanism is arranged below the crushing mechanism, an opening and closing mechanism is arranged on the upper side surface of the crushing box main body, and drying and feeding mechanisms are arranged on both sides of the interior of the crushing box main body. The drying and feeding mechanism is used to transport larger debris and clumped tungsten ore debris after crushing and screening to the top of the crushing mechanism for re-crushing, and can also achieve the purpose of drying wet and clumped debris. The opening and closing mechanism is used to filter and screen the tungsten ore crushed by the crushing mechanism, and some uncrushed and clumped tungsten ores fall from both sides of the opening and closing mechanism into both sides of the drying and feeding mechanism to achieve the effect of re-crushing and screening.

[0007] Preferably, the drying and feeding mechanism includes a transverse vortex rod rotatably connected to the inside of the crushing box body, the inside of the crushing box body is rotatably connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a second trapezoidal gear, the inside of the crushing box body is rotatably connected to a longitudinal vortex rod, the inside of the crushing box body is fixedly connected to a longitudinal conveying pipe, the longitudinal vortex rod is rotatably connected to the inside of the longitudinal conveying pipe, the side surface of the longitudinal conveying pipe is provided with a suction port, the bottom end of the longitudinal vortex rod is fixedly connected to a first trapezoidal gear, the first trapezoidal gear is meshingly connected to the second trapezoidal gear, and the upper end of the longitudinal conveying pipe is fixedly connected to a secondary crushing outlet.

[0008] Preferably, the other end of the rotating shaft is fixedly connected to the second transmission wheel, one end of the transverse vortex rod is fixedly connected to the first transmission wheel, the outer surface of the first transmission wheel is transmission-connected to the first transmission belt and the second transmission belt, the outer surface of the second transmission wheel is transmission-connected to the third transmission belt, the first transmission wheel and the second transmission wheel are transmission-connected by the second transmission belt, the interior of the crushing box body is fixedly connected to a drying pipe, and a circulating air inlet is opened inside the crushing box body.

[0009] Preferably, the screening mechanism includes a vibrating screen slidably connected to the inside of a crushing box body, a vibrating shaft is rotatably connected to the inside of the crushing box body, an elliptical roller is fixedly connected to the outer surface of the vibrating shaft, one end of the vibrating shaft is fixedly connected to a vibrating gear, a connecting gear is fixedly connected to the side surface of the crushing box body, the outer surface of the connecting gear is rotatably connected to a fixed shaft, a fixed block is fixedly connected to the inner side surface of the crushing box body, the upper end of the fixed block is fixedly connected to a telescopic rod, a spring is sleeved on the outer surface of the telescopic rod, and the vibrating screen is fixedly connected to the upper end of the telescopic rod.

[0010] Preferably, the opening and closing mechanism includes a closing plate slidably connected to the inside of the crushing box body, the closing plate is fixedly connected to the inside with a tension spring, two closing plates are provided, and the tension spring fixes the closing plates on both sides, the side surface of the crushing box body is rotatably connected to a gear rotating disk and a half gear, the side surface of the closing plate is rotatably connected to a pulling rod, the closing plate and the gear rotating disk are rotatably connected through the pulling rod, the rotating connection shaft of the half gear is transmission-connected with an opening and closing transmission belt, and the half gear is meshingly connected to the gear rotating disk.

[0011] Preferably, the crushing mechanism includes a main motor fixedly connected to the side surface of the crushing box body, the crushing box body is internally rotatably connected with a first crushing roller and a second crushing roller, the first crushing roller is fixedly connected to the output shaft of the main motor, one end of the first crushing roller is fixedly connected to a first crushing gear, one end of the second crushing roller is fixedly connected to a second crushing gear, and the first crushing gear and the second crushing gear are transmission connected.

[0012] Preferably, the second crushing gear and the half gear are connected by an opening and closing transmission belt, the first transmission wheel and the second crushing gear are connected by a first transmission belt, the second crushing gear is connected by a fixed shaft, and the fixed shaft is connected by a vibration gear.

[0013] Preferably, a feed port is provided above the crushing box body, and a discharge port is provided below the crushing box body.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention can transmit the incompletely crushed tungsten ore and the agglomerated tungsten ore fragments after screening and filtering by the crushing mechanism and the opening and closing mechanism to the top of the crushing mechanism through the provided drying and feeding mechanism. After the tungsten ore crushed by the first crushing roller and the second crushing roller falls on the top of the vibrating screen, the vibration of the vibrating screen can be achieved through the rotation of the elliptical roller shaft. Small pieces of tungsten ore are screened by the vibrating screen, and the incompletely crushed and agglomerated tungsten ore powders fall through both sides of the vibrating screen, and then are transported to the top of the longitudinal conveying pipe through the provided transverse vortex rod and the longitudinal vortex rod, and then continue to fall from the secondary crushing outlet above the first crushing roller and the second crushing roller, achieving the effect of secondary crushing, and are transported by the transverse vortex rod, the longitudinal vortex rod and the longitudinal conveying pipe while being dried through the drying pipe, so as to achieve the effect of drying the tungsten ore fragments when screening and transporting to the secondary crushing.

[0016] 2. When the present invention breaks tungsten ore, the second crushing gear drives the connecting gear to rotate, and then the connecting gear drives the vibrating gear to rotate, so that the vibrating gear drives the vibration shaft and the elliptical roller shaft to rotate, so as to drive the vibrating screen to vibrate and screen the tungsten ore. At the same time, when the second crushing gear rotates, the half gear is driven to rotate by the opening and closing transmission belt, and then the half gear drives the gear rotating disk to rotate, so as to push the closing plates on both sides to both sides and open the feed port. When the toothed side of the half gear is engaged with the gear rotating disk, the gear rotating disk can be driven to rotate by the half gear, and the closing plate can be pushed to open at the same time. When the non-toothed side of the half gear is engaged with the gear rotating disk, the closing plate is closed under the tension of the tension spring, and the feeding port can be blocked by the continuously opening and closing closing plate when feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view of a tungsten ore raw material crushing device for easy unloading proposed by the present invention;

[0018] Figure 2 A side cross-sectional view of a tungsten ore raw material crushing device for easy unloading proposed by the present invention;

[0019] Figure 3 For the present invention Figure 2 A magnified image of point A;

[0020] Figure 4 This is a cross-sectional view of the conveying and drying structure of a tungsten ore raw material crushing device that is convenient for unloading, as proposed by the present invention;

[0021] Figure 5 For the present invention Figure 4 A magnified view of point B;

[0022] Figure 6 This is a cross-sectional view of the internal structure of a tungsten ore raw material crushing device that is convenient for unloading, as proposed by the present invention;

[0023] Figure 7 A cross-sectional view of the conveying structure of a tungsten ore raw material crushing device for easy unloading proposed by the present invention.

[0024] Legend:

[0025] 1. Crushing box body; 2. Crushing mechanism; 201. Main motor; 202. First crushing roller; 203. Second crushing roller; 204. First crushing gear; 205. Second crushing gear; 3. Opening and closing mechanism; 301. Closing plate; 302. Gear rotating disk; 303. Pulling rod; 304. Opening and closing transmission belt; 305. Half gear; 306. Tension spring; 4. Screening mechanism; 401. Vibrating screen; 402. Vibrating shaft; 403. Elliptical roller shaft; 404. Vibrating gear; 405. Fixed shaft; 406. Connecting gear; 407 , fixed block; 408, telescopic rod; 409, spring; 5, drying and feeding mechanism; 501, horizontal vortex rod; 502, longitudinal vortex rod; 503, longitudinal conveying pipe; 504, extraction port; 505, first trapezoidal gear; 506, rotating shaft; 507, second trapezoidal gear; 508, first transmission wheel; 509, second transmission wheel; 510, first transmission belt; 511, second transmission belt; 512, third transmission belt; 513, drying tube; 514, circulating air inlet; 515, secondary crushing outlet; 6, feeding port; 7, discharging port. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] like Figure 1-Figure 7 The tungsten ore raw material crushing device shown is convenient for unloading, comprising a crushing box body 1, a crushing mechanism 2 is arranged inside the crushing box body 1, a screening mechanism 4 is arranged below the crushing mechanism 2, an opening and closing mechanism 3 is arranged on the upper side surface of the crushing box body 1, and drying and feeding mechanisms 5 are arranged on both sides of the interior of the crushing box body 1. The drying and feeding mechanism 5 is used to transport larger debris and clumped tungsten ore debris after crushing and screening to the top of the crushing mechanism 2 for re-crushing, and can also achieve the purpose of drying wet and clumped debris. The opening and closing mechanism 3 is used to filter and screen the tungsten ore crushed by the crushing mechanism 2, and some uncrushed and clumped tungsten ores fall from both sides of the opening and closing mechanism 3 into both sides of the drying and feeding mechanism 5 to achieve the effect of re-crushing and screening.

[0029] The drying and feeding mechanism 5 includes a transverse vortex rod 501 rotatably connected to the inside of the crushing box body 1, a rotating shaft 506 is rotatably connected to the inside of the crushing box body 1, and one end of the rotating shaft 506 is fixedly connected to a second trapezoidal gear 507, a longitudinal vortex rod 502 is rotatably connected to the inside of the crushing box body 1, a longitudinal conveying pipe 503 is fixedly connected to the inside of the crushing box body 1, the longitudinal vortex rod 502 is rotatably connected to the inside of the longitudinal conveying pipe 503, and a material extraction port 504 is provided on the side surface of the longitudinal conveying pipe 503, and a first trapezoidal gear 505 is fixedly connected to the bottom end of the longitudinal vortex rod 502, and the first trapezoidal gear 505 meshes with the second trapezoidal gear 507. The upper end of the longitudinal conveying pipe 503 is fixedly connected with a secondary crushing outlet 515, the other end of the rotating shaft 506 is fixedly connected with a second transmission wheel 509, one end of the transverse vortex rod 501 is fixedly connected with a first transmission wheel 508, the outer surface of the first transmission wheel 508 is transmission-connected with a first transmission belt 510 and a second transmission belt 511, the outer surface of the second transmission wheel 509 is transmission-connected with a third transmission belt 512, the first transmission wheel 508 and the second transmission wheel 509 are transmission-connected through the second transmission belt 511, the interior of the crushing box body 1 is fixedly connected with a drying pipe 513, and a circulating air inlet 514 is opened inside the crushing box body 1.

[0030] Furthermore, after the tungsten ore crushed by the first crushing roller 202 and the second crushing roller 203 falls on the top of the vibrating screen 401, the rotation of the elliptical roller 403 can achieve the effect of pushing the vibrating screen 401 to vibrate, and small pieces of tungsten ore are screened by the vibrating screen 401, and the incompletely crushed and agglomerated tungsten ore powder falls through both sides of the vibrating screen 401, and then is transported to the top of the longitudinal conveying pipe 503 through the set transverse vortex rod 501 and the longitudinal vortex rod 502, and then continues to fall from the secondary crushing outlet 515 on the top of the first crushing roller 202 and the second crushing roller 203, achieving the effect of secondary crushing, and is transported by the transverse vortex rod 501, the longitudinal vortex rod 502 and the longitudinal conveying pipe 503 while being dried by the drying pipe 513, so as to achieve the effect of drying the tungsten ore during screening and transportation to secondary crushing.

[0031] The screening mechanism 4 includes a vibrating screen 401 slidably connected to the inside of the crushing box body 1, a vibrating shaft 402 is rotatably connected to the inside of the crushing box body 1, an elliptical roller 403 is fixedly connected to the outer surface of the vibrating shaft 402, a vibrating gear 404 is fixedly connected to one end of the vibrating shaft 402, a connecting gear 406 is fixedly connected to the side surface of the crushing box body 1, a fixed shaft 405 is rotatably connected to the outer surface of the connecting gear 406, a fixed block 407 is fixedly connected to the inner side surface of the crushing box body 1, a telescopic rod 408 is fixedly connected to the upper end of the fixed block 407, a spring 409 is sleeved on the outer surface of the telescopic rod 408, and the vibrating screen 401 is fixedly connected to the upper end of the telescopic rod 408.

[0032] Furthermore, the second crushing gear 205 drives the connecting gear 406 to rotate, and then the connecting gear 406 drives the vibration gear 404 to rotate, so that the vibration gear 404 drives the vibration shaft 402 and the elliptical roller shaft 403 to rotate, thereby driving the vibration screen 401 to vibrate and screen the tungsten ore.

[0033] The opening and closing mechanism 3 includes a closing plate 301 slidably connected to the inside of the crushing box body 1, and a tension spring 306 is fixedly connected to the inside of the closing plate 301. Two closing plates 301 are provided, and the tension springs 306 fix the closing plates 301 on both sides. The side surface of the crushing box body 1 is rotatably connected to the gear rotating disk 302 and the half gear 305. The side surface of the closing plate 301 is rotatably connected to the pulling rod 303. The closing plate 301 and the gear rotating disk 302 are rotatably connected through the pulling rod 303. The opening and closing transmission belt 304 is transmission-connected to the rotating connection shaft of the half gear 305, and the half gear 305 is meshingly connected with the gear rotating disk 302.

[0034] Furthermore, when the second crushing gear 205 rotates, the half gear 305 is driven to rotate through the opening and closing transmission belt 304, and then the half gear 305 drives the gear rotating disk 302 to rotate, thereby pushing the closing plates 301 on both sides to both sides and opening the feed port 6. When the toothed side of the half gear 305 is engaged with the gear rotating disk 302, the gear rotating disk 302 can be driven to rotate by the half gear 305, and at the same time, the closing plate 301 is pushed to open. When the non-toothed side of the half gear 305 is engaged with the gear rotating disk 302, the closing plate 301 is closed under the tension of the tension spring 306. The continuous opening and closing of the closing plate 301 can achieve the effect of blocking the feed port 6 when loading.

[0035] The crushing mechanism 2 includes a main motor 201 fixedly connected to the side surface of the crushing box body 1, the first crushing roller 202 and the second crushing roller 203 are rotatably connected inside the crushing box body 1, the first crushing roller 202 is fixedly connected to the output shaft of the main motor 201, one end of the first crushing roller 202 is fixedly connected to the first crushing gear 204, one end of the second crushing roller 203 is fixedly connected to the second crushing gear 205, the first crushing gear 204 and the second crushing gear 205 are transmission connected, the second crushing gear 205 and the half gear 305 are transmission connected by an opening and closing transmission belt 304, the first transmission wheel 508 and the second crushing gear 205 are transmission connected by a first transmission belt 510, the second crushing gear 205 and the fixed shaft 405 are transmission connected, the fixed shaft 405 and the vibration gear 404 are transmission connected, a feed port 6 is provided above the crushing box body 1, and a discharge port 7 is provided below the crushing box body 1.

[0036] Furthermore, by starting the main motor 201 to drive the first crushing roller 202 and the second crushing roller 203 to rotate, the tungsten ore can be crushed by the first crushing roller 202 and the second crushing roller 203 .

[0037] Working principle:

[0038] The tungsten ore to be crushed is added into the crushing box body 1 through the feed port 6, and the main motor 201 is started to drive the first crushing roller 202 and the second crushing roller 203 to rotate, so as to crush the tungsten ore. After the tungsten ore crushed by the first crushing roller 202 and the second crushing roller 203 falls on the vibrating screen 401, the second crushing gear 205 drives the connecting gear 406 to rotate, and then the connecting gear 406 drives the vibrating gear 404 to rotate, so that the vibrating gear 404 drives the vibration shaft 402 and the elliptical roller shaft 403 to rotate, so as to drive the vibrating screen 401 to vibrate and screen the tungsten ore. At the same time, when the second crushing gear 205 rotates, the half gear 305 is driven to rotate through the opening and closing transmission belt 304, and then the half gear 305 drives the gear rotating disk 302 to rotate, so as to push the closing plates 301 on both sides to open the feed port 6. When the toothed side of the half gear 305 When meshing with the gear rotating disk 302, the gear rotating disk 302 can be driven to rotate through the half gear 305, and the closing plate 301 is pushed to open at the same time. When the side of the half gear 305 without teeth is meshed with the gear rotating disk 302, the closing plate 301 is closed under the tension of the tension spring 306. The closing plate 301 that is continuously opened and closed can achieve the effect of blocking the feed port 6 during feeding. The incompletely crushed and agglomerated tungsten ore powder falls through both sides of the vibrating screen 401, and is then transported to the top of the longitudinal conveying pipe 503 through the set transverse vortex rod 501 and the longitudinal vortex rod 502, and then continues to fall from the secondary crushing outlet 515 above the first crushing roller 202 and the second crushing roller 203, achieving the effect of secondary crushing. While being transported by the transverse vortex rod 501, the longitudinal vortex rod 502 and the longitudinal conveying pipe 503, it is dried through the drying pipe 513, achieving the effect of drying the tungsten ore during screening and transportation to secondary crushing.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A tungsten ore raw material crushing device that is convenient for feeding, comprising a crushing box body (1), characterized in that: A crushing mechanism (2) is arranged inside the crushing box body (1), a screening mechanism (4) is arranged below the crushing mechanism (2), an opening and closing mechanism (3) is arranged on the upper side surface of the crushing box body (1), and drying and feeding mechanisms (5) are arranged on both sides of the crushing box body (1); The drying and feeding mechanism (5) is used to transport the larger debris and the clumped tungsten ore debris after crushing and screening to the top of the crushing mechanism (2) for further crushing, and can also dry the wet clumped debris; The opening and closing mechanism (3) is used to filter and screen the tungsten ore crushed by the crushing mechanism (2); some uncrushed and agglomerated tungsten ore falls from both sides of the opening and closing mechanism (3) into both sides of the drying and feeding mechanism (5) to achieve the effect of crushing and screening again.

2. The tungsten ore raw material crushing device for easy feeding according to claim 1 is characterized in that: The drying and feeding mechanism (5) comprises a transverse vortex rod (501) rotatably connected to the inside of the crushing box body (1); a rotating shaft (506) is rotatably connected to the inside of the crushing box body (1); one end of the rotating shaft (506) is fixedly connected to a second trapezoidal gear (507); a longitudinal vortex rod (502) is rotatably connected to the inside of the crushing box body (1); a longitudinal conveying pipe (503) is fixedly connected to the inside of the crushing box body (1); the longitudinal vortex rod (502) is rotatably connected to the inside of the longitudinal conveying pipe (503); a side surface of the longitudinal conveying pipe (503) is provided with a material extraction port (504); the bottom end of the longitudinal vortex rod (502) is fixedly connected to a first trapezoidal gear (505); the first trapezoidal gear (505) is meshedly connected to the second trapezoidal gear (507); and the upper end of the longitudinal conveying pipe (503) is fixedly connected to a secondary crushing material outlet (515).

3. The tungsten ore raw material crushing device for easy feeding according to claim 2 is characterized in that: The other end of the rotating shaft (506) is fixedly connected to a second transmission wheel (509), one end of the transverse worm (501) is fixedly connected to a first transmission wheel (508), the outer surface of the first transmission wheel (508) is transmission-connected to a first transmission belt (510) and a second transmission belt (511), the outer surface of the second transmission wheel (509) is transmission-connected to a third transmission belt (512), the first transmission wheel (508) and the second transmission wheel (509) are transmission-connected via the second transmission belt (511), the interior of the crushing box body (1) is fixedly connected to a drying pipe (513), and a circulating air inlet (514) is provided inside the crushing box body (1).

4. The tungsten ore raw material crushing device for easy feeding according to claim 1 is characterized in that: The screening mechanism (4) comprises a vibrating screen (401) slidably connected to the interior of a crushing box body (1); a vibrating shaft (402) is rotatably connected to the interior of the crushing box body (1); an elliptical roller shaft (403) is fixedly connected to the outer surface of the vibrating shaft (402); a vibrating gear (404) is fixedly connected to one end of the vibrating shaft (402); a connecting gear (406) is fixedly connected to the side surface of the crushing box body (1); a fixed shaft (405) is rotatably connected to the outer surface of the connecting gear (406); a fixed block (407) is fixedly connected to the inner side surface of the crushing box body (1); a telescopic rod (408) is fixedly connected to the upper end of the fixed block (407); a spring (409) is sleeved on the outer surface of the telescopic rod (408); and the vibrating screen (401) is fixedly connected to the upper end of the telescopic rod (408).

5. The tungsten ore raw material crushing device for easy feeding according to claim 3 is characterized in that: The opening and closing mechanism (3) includes a closing plate (301) slidably connected to the inside of the crushing box body (1), the closing plate (301) is fixedly connected to the inside with a tension spring (306), two closing plates (301) are provided, and the tension spring (306) fixes the closing plates (301) on both sides, the side surface of the crushing box body (1) is rotatably connected to a gear rotating disk (302) and a half gear (305), the side surface of the closing plate (301) is rotatably connected to a pulling rod (303), the closing plate (301) and the gear rotating disk (302) are rotatably connected via the pulling rod (303), the rotating connection shaft of the half gear (305) is transmission-connected with an opening and closing transmission belt (304), and the half gear (305) is meshingly connected to the gear rotating disk (302).

6. The tungsten ore raw material crushing device for easy feeding according to claim 5 is characterized in that: The crushing mechanism (2) comprises a main motor (201) fixedly connected to the side surface of a crushing box body (1); a first crushing roller (202) and a second crushing roller (203) are rotatably connected inside the crushing box body (1); the first crushing roller (202) is fixedly connected to the output shaft of the main motor (201); one end of the first crushing roller (202) is fixedly connected to a first crushing gear (204); one end of the second crushing roller (203) is fixedly connected to a second crushing gear (205); the first crushing gear (204) and the second crushing gear (205) are transmission-connected.

7. The tungsten ore raw material crushing device for easy feeding according to claim 6 is characterized by: The second crushing gear (205) and the half gear (305) are connected in transmission via an opening and closing transmission belt (304); the first transmission wheel (508) and the second crushing gear (205) are connected in transmission via a first transmission belt (510); the second crushing gear (205) and the fixed shaft (405) are connected in transmission; and the fixed shaft (405) and the vibration gear (404) are connected in transmission.

8. The tungsten ore raw material crushing device for easy feeding according to claim 1 is characterized in that: A feed port (6) is provided above the crushing box body (1), and a discharge port (7) is provided below the crushing box body (1).

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