Full-automatic weighing and sand separating equipment

Abstract

The utility model discloses full-automatic weighing and sand separating equipment, which belongs to the technical field of quartz crucible production and comprises a sand separating and weighing roller line, and the upstream of the sand separating and weighing roller line is respectively connected with a large barrel feeding roller line and a feeding box feeding roller line. A large barrel discharging roller line and a discharging buffering roller line are connected to the downstream of the sand separating and weighing roller line, a material barrel is supported on the large barrel feeding roller line, a material box is supported on the feeding box feeding roller line, the material barrel enters the sand separating and weighing roller line through the large barrel feeding roller line, and the material box enters the sand separating and weighing roller line through the feeding roller line. The sand separating and weighing roller line is used for controlling the material barrel to enter the large barrel discharging roller line after quartz sand in the material barrel is accurately separated into a plurality of material boxes; and the sand separating and weighing roller line controls the material box to enter the discharging buffer storage roller line after accurate quartz sand is separated into the material box.

Description

TECHNICAL FIELD

[0001] The utility model belongs to quartz crucible production technical field especially relates to a full -automatic weighing sand separating equipment. BACKGROUND

[0002] At present, quartz crucible has high purity, strong temperature resistance, large size, high precision, good heat preservation, energy saving, quality stability and other advantages, and is more and more widely used. The original melting furnace is through artificial to separate material, greatly increases the labor cost, and the production efficiency is difficult to guarantee.

[0003] Therefore, it is urgent to design a full -automatic weighing sand separating equipment to solve the above-mentioned problems of high labor cost and low production efficiency. INVENTION CONTENTS

[0004] To solve the technical problems of high labor cost and low production efficiency mentioned in the background art, a full -automatic weighing sand separating equipment is provided to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purposes, the specific technical scheme of the full -automatic weighing sand separating equipment of the utility model is as follows:

[0006] A full -automatic weighing sand separating equipment, including sand separating and weighing cylinder line, the upstream of sand separating and weighing cylinder line is connected with big barrel feeding cylinder line and feeding box feeding cylinder line respectively, the downstream of sand separating and weighing cylinder line is connected with big barrel discharging cylinder line and discharging buffer cylinder line respectively, the big barrel feeding cylinder line supports the material barrel, the feeding box feeding cylinder line supports the material box, the material barrel enters the sand separating and weighing cylinder line through the big barrel feeding cylinder line, and the material box enters the sand separating and weighing cylinder line through the feeding cylinder line.

[0007] After the sand separating and weighing cylinder line makes the quartz sand in the material barrel accurately separated into multiple material boxes, the material barrel enters the big barrel discharging cylinder line is controlled, and after the sand separating and weighing cylinder line makes the material box accurately separated into quartz sand, the material box enters the discharging buffer cylinder line is controlled.

[0008] Further, the sand separating and weighing cylinder line includes equipment rack, the equipment rack is installed with sand separating mechanism and weighing mechanism, the upstream of sand separating mechanism is connected with big barrel feeding cylinder line, the downstream of sand separating mechanism is connected with big barrel discharging cylinder line, the upstream of weighing mechanism is connected with feeding box feeding cylinder line, and the downstream of weighing mechanism is connected with discharging buffer cylinder line.

[0009] Further, the sand separating mechanism comprises a turnover frame, the turnover frame is installed on the equipment rack, a first roller conveyor is arranged at the bottom of the turnover frame, the upstream of the first roller conveyor is connected with the barrel feeding roller line, the downstream of the first roller conveyor is connected with the barrel discharging roller line, a first air vibrating hopper is slidably connected to the top of the turnover frame, the shape of the first air vibrating hopper is matched with the shape of the barrel, so that the first air vibrating hopper is detachably connected with the barrel, a rotating base plate is fixedly connected to the top of the turnover frame, a turnover shaft is arranged on the rotating base plate, the turnover shaft is connected with a first motor, and the first motor drives the turnover frame to rotate around the turnover shaft.

[0010] Further, the rotating base plate extends outward in the direction away from the turnover frame to form an extended base plate on the rotating base plate, and the turnover shaft is arranged on the extended base plate, so that the first motor drives the turnover frame to rotate eccentrically around the turnover shaft.

[0011] Further, the turnover frame and the first air vibrating hopper are slidably connected through a first driving air cylinder, the driving air cylinder drives the first air vibrating hopper to move towards the barrel and tightly fix the first air vibrating hopper with the barrel.

[0012] Further, the weighing mechanism comprises a weighing roller conveyor, the upstream of the weighing roller conveyor is connected with the feeding box feeding roller line, the sand separating mechanism further comprises a feeding device, the feeding device is connected with the equipment rack, and the feeding device is located downstream of the weighing roller conveyor.

[0013] A material box supporting distribution position is arranged on the weighing roller conveyor, and a weighing sensor is arranged at the bottom of the distribution position to weigh the material box supported on the distribution position.

[0014] After the turnover frame rotates around the turnover shaft, the first air vibrating hopper is located above the distribution position, and the quartz sand in the barrel enters the material box on the distribution position through the first air vibrating hopper.

[0015] Further, an air filling pipe is arranged on the first air vibrating hopper to fill air into the cavity formed by tightly fixing the first air vibrating hopper with the barrel.

[0016] Further, the feeding device comprises a feeding roller conveyor and a moving slide rail, the moving slide rail is fixedly connected with the equipment rack, a second air vibrating hopper is connected to the moving slide rail, the upstream of the feeding roller conveyor is connected with the weighing roller conveyor, the downstream of the feeding roller conveyor is connected with the discharging buffer roller line, the feeding roller conveyor is sequentially provided with a waiting position, an accurate feeding position and a discharging position, and the moving slide rail controls the second air vibrating hopper to move between the accurate feeding position and the distribution position.

[0017] Further, the mobile slide rail comprises a horizontal slide rail and a vertical slide rail, one end of the vertical slide rail is fixedly connected with the equipment rack, and the other end of the vertical slide rail away from the equipment rack is slidably connected with the horizontal slide rail, so that the horizontal slide rail slides on the vertical slide rail, and the other end of the horizontal slide rail away from the vertical slide rail is connected with the second air vibration hopper, so that the second air vibration hopper slides on the horizontal slide rail, and the second air vibration hopper is replenished by moving to the position below the first air vibration hopper through cooperation of the horizontal slide rail and the vertical slide rail.

[0018] Further, the bottom of the weighing roller conveying belt is further connected with a telescopic air cylinder, when the second air vibration hopper is replenished by moving to the position below the first air vibration hopper through cooperation of the horizontal slide rail and the vertical slide rail, the telescopic air cylinder drives the weighing roller conveying belt to descend, so as to make room for the second air vibration hopper.

[0019] The full-automatic weighing and sand separating equipment has the following advantages: the quartz sand is automatically weighed and separated, manual weighing and sand separating is replaced, the separation speed is high, the precision is high, the loss caused by human operation factors is reduced, the production efficiency is improved, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the full-automatic weighing and sand separating equipment of the utility model;

[0021] Figure 2 It is a position layout schematic view of the sand separating mechanism and the weighing mechanism of the utility model;

[0022] Figure 3 It is a partial schematic view of the sand separating structure of the utility model;

[0023] Figure 4 It is a position layout schematic view of the weighing mechanism and the replenishing device of the utility model;

[0024] Figure 5 It is a structural schematic view of the first air vibration hopper of the utility model.

[0025] Marked description in the figure: 1, the sand weighing roller line is divided;11, the sand dividing mechanism;111, the turnover frame;112, the first roller conveyor belt;113, the first air vibration hopper;1131, the inflation pipe orifice;1132, the electromagnetic pipe clamp valve;114, the rotating base plate;115, the first motor;1141, the overhanging base plate;116, the first drive cylinder;118, the replenishment device;1181, the moving slide rail;1182, the replenishment roller conveyor belt;1183, the second air vibration hopper;11811, the horizontal slide rail;11812, the vertical slide rail;12, the weighing mechanism;121, the weighing roller conveyor belt;122, the weighing sensor;123, the telescopic cylinder;13, the equipment rack;2, the large barrel feeding roller line;3, the feeding box feeding roller line;4, the large barrel discharging roller line;5, the discharging buffer roller line;6, the material barrel;7, the material box;8, the controller;100, the material dividing position;200, the waiting position;300, the accurate replenishment position;400, the discharging position. DETAILED DESCRIPTION

[0026] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments can be used in any combination.

[0028] The embodiments of the present application will be described below with reference to the accompanying drawings. Figure 1 to the accompanying drawings Figure 5 The full-automatic weighing sand dividing equipment of the present application is described.

[0029] The existing melting furnace is manually divided by quartz sand, which greatly increases the labor cost and makes it difficult to guarantee the production efficiency.

[0030] Therefore, the present application provides a full-automatic weighing sand dividing equipment, such as Figure 1As shown, the system comprises a sand-weighing roller line 1, a large barrel feeding roller line 2 and a feeding box feeding roller line 3 connected to the upstream of the sand-weighing roller line 1 respectively, a large barrel discharging roller line 4 and a discharging buffer roller line 5 connected to the downstream of the sand-weighing roller line 1 respectively, a barrel 6 supported on the large barrel feeding roller line 2, a feeding box 7 supported on the feeding box feeding roller line 3, the barrel 6 entering the sand-weighing roller line 1 through the large barrel feeding roller line 2, and the feeding box 7 entering the sand-weighing roller line 1 through the feeding roller line; after the sand-weighing roller line 1 precisely divides the quartz sand in the barrel 6 into multiple feeding boxes 7, the barrel 6 is controlled to enter the large barrel discharging roller line 4; after the sand-weighing roller line 1 precisely divides the quartz sand into the feeding box 7, the feeding box 7 is controlled to enter the discharging buffer roller line 5. Specifically, the barrel 6 full of quartz sand enters the sand-weighing roller line 1 from the large barrel feeding roller line 2, at the same time, the empty feeding box 7 enters the sand-weighing roller line 1 from the feeding box feeding roller line 3, the sand-weighing roller line 1 precisely divides the quartz sand in the barrel 6 into multiple feeding boxes 7, the feeding box 7 after the precise division enters the discharging buffer roller line 5 for storage, and when the quartz sand in the barrel 6 in the sand-weighing roller line 1 is exhausted, the barrel 6 enters the large barrel discharging roller line 4 from the sand-weighing roller line 1.

[0031] As preferred, the large barrel discharging roller line 4 is provided with a first reflective sensor for detecting the barrel 6 at the end, the first reflective sensor is connected with a controller 8, the controller 8 receives signals and calculates output, reminding the staff to timely take away the empty barrel 6.

[0032] As preferred, the sand-weighing roller line 1 comprises an equipment rack 13, the sand-weighing roller line 1 is provided with a sand-weighing mechanism 11 and a weighing mechanism 12 installed on the equipment rack 13, the sand-weighing mechanism 11 is connected with the large barrel feeding roller line 2 at the upstream and connected with the large barrel discharging roller line 4 at the downstream, the weighing mechanism 12 is connected with the feeding box feeding roller line 3 at the upstream and connected with the discharging buffer roller line 5 at the downstream. In a specific embodiment, the barrel 6 enters the sand-weighing mechanism 11 to divide the quartz sand for the feeding box 7 entering the weighing mechanism 12, and the feeding box 7 after the quartz sand is divided enters the discharging buffer roller line 5 for storage.

[0033] As preferred, the sand-weighing roller line 1 comprises an equipment rack 13, the sand-weighing roller line 1 is provided with a sand-weighing mechanism 11 and a weighing mechanism 12 installed on the equipment rack 13, the sand-weighing mechanism 11 is connected with the large barrel feeding roller line 2 at the upstream and connected with the large barrel discharging roller line 4 at the downstream, the weighing mechanism 12 is connected with the feeding box feeding roller line 3 at the upstream and connected with the discharging buffer roller line 5 at the downstream. In a specific embodiment, the barrel 6 enters the sand-weighing mechanism 11 to divide the quartz sand for the feeding box 7 entering the weighing mechanism 12, and the feeding box 7 after the quartz sand is divided enters the discharging buffer roller line 5 for storage. Figures 1-3As shown, the sand separating mechanism 11 comprises a turnover frame 111 mounted on the equipment rack 13, the turnover frame 111 is provided with a first roller conveyor 112 at the bottom, the upstream of the first roller conveyor 112 is connected with the barrel feeding roller line 2, the downstream of the first roller conveyor 112 is connected with the barrel discharging roller line 4, the top of the turnover frame 111 is slidably connected with a first air vibrating hopper 113, the shape of the first air vibrating hopper 113 matches the shape of the barrel 6, so that the first air vibrating hopper 113 is detachably connected with the barrel 6, the top of the turnover frame 111 is fixedly connected with a rotating base plate 114, the rotating base plate 114 is provided with a turnover shaft (not shown in the figure), the turnover shaft is connected with a first motor 115, the first motor 115 drives the turnover frame 111 to rotate around the turnover shaft. Specifically, after the opening direction of the first air vibrating hopper 113 is upward and the first air vibrating hopper 113 is connected with the barrel 6, the first air vibrating hopper 113 and the barrel 6 jointly form a cavity structure with an opening at the top, the first motor 115 drives the turnover frame 111 to rotate around the turnover shaft, at this time, the first air vibrating hopper 113 and the barrel 6 located on the turnover frame 111 rotate with the turnover frame 111, and the opening direction of the first air vibrating hopper 113 is downward, the quartz sand in the barrel 6 flows downward under the action of the first air vibrating hopper 113 and gravity.

[0034] As preferred, the first air vibrating hopper 113 comprises a distributing hopper, the distributing hopper is provided with a first pneumatic vibrator, the first pneumatic vibrator is located on the side of the distributing hopper, the number of the first pneumatic vibrator is not less than two, so as to uniformly vibrate the distributing hopper to make the quartz sand uniformly fall.

[0035] As preferred, as shown in the figure, Figure 3 the rotating base plate 114 extends outward in the direction away from the turnover frame 111 to form an extended base plate 1141 on the rotating base plate 114, the turnover shaft is arranged on the extended base plate 1141, and then the first motor 115 drives the turnover frame 111 to eccentrically rotate around the turnover shaft. Specifically, the eccentric rotation reduces the movement of the quartz sand in the cavity formed by the first air vibrating hopper 113 and the barrel 6, thereby reducing the contact of the quartz sand with impurities or dust in the air, and further improving the quality of the quartz crucible made of the quartz sand.

[0036] As preferred, as shown in the figure, Figure 3 the turnover frame 111 and the first air vibrating hopper 113 are slidably connected through a first driving air cylinder 116, the driving air cylinder drives the first air vibrating hopper 113 to move towards the barrel 6 and makes the first air vibrating hopper 113 abut against and fix with the barrel 6. Specifically, the first driving air cylinder 116 moves downward to drive the first air vibrating hopper 113 to abut against and fix with the opening of the barrel 6, and then the first driving air cylinder 116 transmits the force to the first roller conveyor 112 through the first air vibrating hopper 113 and the barrel 6, so that the first air vibrating hopper 113 and the first roller conveyor 112 clamp the first air vibrating hopper 113 and the barrel 6 in the middle.

[0037] As preferred, the first roller conveyor 112 is provided with a blocking cylinder limiting the horizontal movement of the material bucket 6 and a second reflective sensor detecting the material bucket 6, the second reflective sensor and the blocking cylinder are connected with the controller 8, the controller 8 receives the signal of the second reflective sensor and controls the blocking cylinder to block or release, and at the same time, the blocking cylinder also limits the material bucket 6, so as to ensure the fixing effect when the first air vibrating hopper 113 and the material bucket 6 are turned over.

[0038] As preferred, as shown in Figure 4 The weighing mechanism 12 includes a weighing roller conveyor 121, the upstream of the weighing roller conveyor 121 is connected with the feeding box feeding roller line 3, the sand separating mechanism 11 further includes a material supplementing device 118, the material supplementing device 118 is connected with the equipment rack 13, and the material supplementing device 118 is located downstream of the weighing roller conveyor 121; the weighing roller conveyor 121 is provided with a material separating position 100 supporting the feeding box 7, a weighing sensor 122 is arranged at the bottom of the material separating position 100, so as to weigh the feeding box 7 supported on the material separating position 100; the first air vibrating hopper 113 is located above the material separating position 100 after the turning frame 111 rotates around the turning shaft, and the quartz sand in the material bucket 6 enters the feeding box 7 on the material separating position 100 through the first air vibrating hopper 113. Specifically, in order to further ensure the accuracy of the material separation, the sand separating mechanism coarsely separates the material at the material separating position 100 through the first air vibrating hopper 113, the weighing sensor 122 is connected with the controller 8, the controller 8 is connected with the material supplementing device 118, the weighing sensor 122 transmits the weight parameter of the feeding box 7 to the controller 8, the controller 8 controls the material supplementing device 118 to accurately supplement the feeding box 7 according to the weight parameter of the feeding box 7, so as to ensure the accuracy of the material separation.

[0039] As preferred, as shown in Figure 5 The first air vibrating hopper 113 is provided with an air filling pipe 1131, so as to fill air into the cavity formed by the abutting and fixing of the first air vibrating hopper 113 and the material bucket 6 through the air filling pipe 1131. Specifically, the air filling pipe 1131 fills air into the cavity formed by the abutting and fixing of the first air vibrating hopper 113 and the material bucket 6, so as to reduce the pressure difference between the cavity and the atmosphere, so that the quartz sand in the cavity can flow out smoothly, and at the same time, the flow of the quartz sand can be controlled by controlling the flow of the air.

[0040] As preferred, the first air vibrating hopper 113 is provided with an electromagnetic pipe clamp valve 1132, the electromagnetic pipe clamp valve 1132 is connected with the controller 8, at the same time, the air filling pipe 1131 is connected with an air pressure device, the air pressure device is also connected with the controller 8, the controller 8 controls the flow of the air pressure device and the opening and closing size of the electromagnetic pipe clamp valve 1132, so that the air pressure device and the electromagnetic pipe clamp valve 1132 cooperatively control the flow of the quartz sand, so as to improve the material dropping accuracy.

[0041] As preferred, as shown in Figure 4 The feeding device 118 includes a feeding cylinder conveyor belt 1182 and a moving slide rail 1181 fixedly connected with the equipment rack 13, the moving slide rail 1181 is connected with a second air vibrating hopper 1183, the upstream of the feeding cylinder conveyor belt 1182 is connected with the weighing cylinder conveyor belt 121, the downstream of the feeding cylinder conveyor belt 1182 is connected with the discharging buffer cylinder line 5, the feeding cylinder conveyor belt 1182 is sequentially provided with a waiting position 200, an accurate feeding position 300 and a discharging position 400, and the moving slide rail 1181 controls the second air vibrating hopper 1183 to move between the accurate feeding position 300 and the distributing position 100. Specifically, when the second air vibrating hopper 1183 is full of quartz sand, the second air vibrating hopper 1183 is located directly above the accurate feeding position 300, the third reflective sensor is arranged on the distributing position 100, the fourth reflective sensor is arranged on the waiting position 200, the fifth reflective sensor is arranged on the accurate feeding position 300, and the sixth reflective sensor is arranged on the discharging position 400, so as to detect whether there is a material box 7 on the distributing position 100, the waiting position 200, the accurate feeding position 300 and the discharging position 400, wherein the third reflective sensor, the fourth reflective sensor, the fifth reflective sensor and the sixth reflective sensor are connected with the controller 8, the controller 8 controls the material box 7 to enter the waiting position 200 after being weighed and distributed from the distributing position 100, waits, and then enters the accurate feeding position 300 after the downstream material box 7 is completed, and then enters the discharging position 400 after accurate feeding through the second air vibrating hopper 1183, and the controller 8 is connected with the moving slide rail 1181, the second air vibrating hopper 1183 is provided with a feeding weight sensor for detecting the weight of the quartz sand in the second air vibrating hopper 1183, and when the quartz sand in the second air vibrating hopper 1183 needs to be supplemented, the controller 8 controls the moving slide rail 1181 to move, so that the second air vibrating hopper 1183 moves to the distributing position 100 to supplement the material.

[0042] As preferred, the second air vibrating hopper 1183 includes a feeding hopper, the feeding hopper is provided with a second pneumatic vibrator, the second pneumatic vibrator is located on the side of the feeding hopper, the number of the second pneumatic vibrator is not less than two, so as to uniformly vibrate the feeding hopper to make the quartz sand fall down uniformly, and the other structures of the second air vibrating hopper 1183 are the same as those of the first air vibrating hopper 113, and are also provided with the inflation pipe opening 1131 and the electromagnetic pipe clamp valve 1132.

[0043] As preferred, as shown in Figure 4As shown, the moving slide rail 1181 comprises a horizontal slide rail 11811 and a vertical slide rail 11812, one end of the vertical slide rail 11812 is fixedly connected with the equipment rack 13, the other end of the vertical slide rail 11812 away from the equipment rack 13 is slidably connected with the horizontal slide rail 11811, so that the horizontal slide rail 11811 slides on the vertical slide rail 11812, and one end of the horizontal slide rail 11811 away from the vertical slide rail 11812 is connected with the second air vibration hopper 1183, so that the second air vibration hopper 1183 slides on the horizontal slide rail 11811, and the second air vibration hopper 1183 is moved to below the first air vibration hopper 113 by cooperation of the horizontal slide rail 11811 and the vertical slide rail 11812 to supplement the second air vibration hopper 1183. Optionally, the horizontal slide rail 11811 is selected to be a dust-free belt, so as to reduce impurities and dust in the air from mixing into the quartz sand.

[0044] As preferred, as shown in Figure 2 and Figure 4 As shown, the bottom of the weighing roller conveyor belt 121 is further connected with a telescopic air cylinder 123, when the second air vibration hopper 1183 is moved to below the first air vibration hopper 113 by cooperation of the horizontal slide rail 11811 and the vertical slide rail 11812 to supplement the second air vibration hopper 1183, the telescopic air cylinder 123 drives the weighing roller conveyor belt 121 to descend to provide accommodation space for the second air vibration hopper 1183. Specifically, the telescopic air cylinder 123 is connected with the controller 8, the controller 8 controls the moving slide rail 1181 to move the second air vibration hopper 1183 to the position of the distribution site 100 for supplementing, since the second air vibration hopper 1183 is large in size and there may be a material box 7 on the distribution site 100, at this time, the controller 8 controls the telescopic air cylinder 123 to expand or contract to provide accommodation space for the second air vibration hopper 1183, so that the second air vibration hopper 1183 can be located below the first air vibration hopper 113, thereby reducing the space occupancy of the overall device and miniaturizing and intelligentizing the device.

[0045] As preferred, as shown in Figure 2 In order to reduce the mixing of dust and impurities into the quartz sand during the distribution process, a dustproof cover plate is arranged above the large barrel feeding roller line 2, the distribution site 100, the waiting site 200 and the discharging site 400, and the dustproof cover plate above the accurate supplementing site 300 is arranged above the second air vibration hopper 1183, wherein a dustproof cover plate with a through hole is arranged above the distribution site 100, and a dustproof cover plate is also arranged on the first air vibration hopper 113, the dustproof cover plate on the first air vibration hopper 113 is matched with the dustproof cover plate with a through hole on the distribution site 100, when the first air vibration hopper 113 is turned to be located above the distribution site 100, the dustproof cover plate on the first air vibration hopper 113 is embedded into the through hole of the dustproof cover plate with a through hole on the distribution site 100, so as to realize dustproof above the distribution site 100.

[0046] The utility model discloses a quartz sand automatic weighing and distributing device, which realizes automatic weighing and distributing of quartz sand, replaces manual weighing and distributing of sand, has high distributing speed and high precision, reduces loss caused by human operation factors, improves production efficiency and reduces production cost.

[0047] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, all the embodiments cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A full-automatic weighing and sand separating device, characterized in that, The sand-weighing roller line is connected with the large-bucket feeding roller line and the feeding-box feeding roller line upstream respectively, and is connected with the large-bucket discharging roller line and the discharging buffer roller line downstream respectively. The sand-weighing roller line makes the quartz sand in the bucket accurately divided into multiple boxes, and then controls the bucket to enter the large-bucket discharging roller line.

2. The full-automatic sand weighing and separating equipment according to claim 1, characterized in that, The sand-weighing roller line comprises an equipment rack, a sand-weighing mechanism and a weighing mechanism.

3. The fully automatic sand weighing and separating apparatus according to claim 2, characterized in that, The sand-weighing mechanism is connected with the large-bucket feeding roller line upstream and is connected with the large-bucket discharging roller line downstream.

4. The fully automatic sand weighing and separating apparatus according to claim 3, characterized in that, The sand-weighing mechanism comprises a turnover frame, a first roller conveyor belt, a first air-vibration hopper, a rotating base plate, a turnover shaft and a first motor.

5. The fully automatic sand weighing and separating apparatus according to claim 3, characterized in that, The rotating base plate extends outward in a direction away from the turnover frame to form an extended base plate on the rotating base plate, and the turnover shaft is arranged on the extended base plate, so that the first motor drives the turnover frame to rotate eccentrically around the turnover shaft.

6. The fully automatic sand weighing and separating apparatus according to claim 3, characterized in that, The turnover frame and the first air-vibration hopper are connected by a first driving air cylinder, and the driving air cylinder drives the first air-vibration hopper to move towards the bucket and tightly fix the first air-vibration hopper with the bucket. The weighing mechanism comprises a weighing roller conveyor belt, a feeding device and a weighing sensor. The turnover frame rotates around the turnover shaft to make the first air-vibration hopper above the distribution position, and the quartz sand in the bucket enters the box on the distribution position through the first air-vibration hopper.

7. The fully automatic sand weighing and separating apparatus according to claim 3 or 6, characterized in that, The first air-vibration hopper is provided with an inflation pipe to inflate the cavity formed by tightly fixing the first air-vibration hopper with the bucket.

8. The fully automatic sand weighing and separating apparatus according to claim 6, characterized in that, The feeding device comprises a feeding roller conveyor belt and a moving slide rail, the moving slide rail is fixedly connected with the equipment rack, the moving slide rail is connected with a second air-vibration hopper, the upstream of the feeding roller conveyor belt is connected with the weighing roller conveyor belt, the downstream of the feeding roller conveyor belt is connected with the discharging buffer roller line, the feeding roller conveyor belt is sequentially provided with a waiting position, an accurate feeding position and a discharging position, and the moving slide rail controls the second air-vibration hopper to move between the accurate feeding position and the distribution position.

9. The fully automatic sand weighing and separating apparatus according to claim 8, characterized in that, The mobile slide rail comprises a horizontal slide rail and a vertical slide rail, one end of the vertical slide rail is fixedly connected with the equipment rack, the end of the vertical slide rail away from the equipment rack is slidably connected with the horizontal slide rail, so that the horizontal slide rail slides on the vertical slide rail, and the end of the horizontal slide rail away from the vertical slide rail is connected with the second air vibration hopper, so that the second air vibration hopper slides on the horizontal slide rail, and the second air vibration hopper is replenished by moving to the lower side of the first air vibration hopper through cooperation of the horizontal slide rail and the vertical slide rail.

10. The fully automatic sand weighing and separating apparatus according to claim 9, characterized in that, The bottom of the weighing roller conveyor is further connected with a telescopic air cylinder, when the second air vibration hopper is replenished by moving to the lower side of the first air vibration hopper through cooperation of the horizontal slide rail and the vertical slide rail, the telescopic air cylinder drives the weighing roller conveyor to descend, so as to make room for the second air vibration hopper.

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