Quartz sand purification device

Abstract

The invention relates to the technical field of quartz sand purification, and discloses a quartz sand purification device which comprises a working box, a storage box is fixedly connected to the bottom of the inner wall of the working box, a landslide plate is fixedly connected to the left side of the storage box, and a connecting column is fixedly connected to the bottom of the inner wall of the working box. The surface of the connecting column is fixedly connected with a connecting disc, the material distributing mechanism comprises a material distributing pipe fixedly connected with the top of the connecting column, the top of the material distributing pipe is fixedly connected with a material sliding disc, the top of the material sliding disc is fixedly connected with a mounting block, and the two sides of the inner wall of the mounting block are rotationally connected with lower pressing plates through rotating shafts. By arranging the material distributing mechanism, quartz sand in a material collecting disc is turned over through an inclined flow plate moving up and down, the turned quartz sand can flow into a discharging pipe, and some small-particle quartz sand can be discharged into a slope sliding plate through surface groove holes of the discharging pipe and discharged into a storage box from the slope sliding plate.

Description

Technical Field

[0001] The invention relates to the technical field of quartz sand purification, in particular to a quartz sand purification device. Background Art

[0002] Quartz sand is a mineral mainly composed of silicon dioxide (SiO2) and is widely used in glass manufacturing, electronics industry, construction and other fields. In the electronics industry, such as semiconductor manufacturing and photovoltaic cell manufacturing, extremely high purity of silicon materials is required. Impurities may have a negative impact on the performance of electronic devices, so highly pure raw materials are needed. The main purpose of purifying quartz sand is to obtain higher purity end products to meet the requirements of specific industrial or technological applications.

[0003] The patent application with application number CN202311704148.9 discloses a quartz sand purification device, including a heating chamber and a receiving chamber, wherein a plurality of storage tanks are arranged inside the heating chamber, and spiral blades are arranged inside the plurality of storage tanks, and driven gears are installed on the tops of the plurality of spiral blades, and the sides of the plurality of driven gears close to each other are meshed and connected to the driving gear, and the driving gear is installed on the output shaft of the driving motor.

[0004] However, this patent also has the following shortcomings, that is, when a large amount of quartz sand is purified, quartz sand of different volumes needs to be classified for purification. The surface of small-particle quartz sand is often harder, while the surface of large-particle quartz sand tends to lock the moisture in the mud into the crystals of the quartz sand, and it is often more difficult to extract the internal crystals. In view of this situation, a quartz sand purification device is specially proposed. Summary of the invention

[0005] The object of the present invention is to provide a quartz sand purification device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a quartz sand purification device, comprising a working box, a storage box is fixedly connected to the bottom of the inner wall of the working box, a landslide plate is fixedly connected to the left side of the storage box, a connecting column is fixedly connected to the bottom of the inner wall of the working box, a connecting plate is fixedly connected to the surface of the connecting column, a stripping mechanism is provided at the bottom of the connecting plate, a storage assembly is provided on the left side of the inner wall of the storage box, and further comprising:

[0007] The material distribution mechanism includes a material distribution pipe fixedly connected to the top of the connecting column, the top of the material distribution pipe is fixedly connected to a sliding plate, the top of the sliding plate is fixedly connected to a mounting block, the inner wall of the mounting block is rotatably connected to a lower pressure plate on both sides through a rotating shaft, the bottom of the lower pressure plate is fixedly connected to a plug-in block, the surface slot hole of the sliding plate is fixedly connected to a plug-in cavity, the top of the lower pressure plate is fixedly connected to a spring rope, the end of the spring rope away from the lower pressure plate is fixedly connected to the top of the sliding plate, and a material distribution assembly is provided at the bottom of the material distribution pipe, and quartz sand will flow out from the surface slot hole of the sliding plate to the receiving plate.

[0008] The material distribution component includes a material receiving tray fixedly connected to the bottom of the material distribution pipe, the inner wall of the material receiving tray is fixedly connected to a telescopic tube, the end of the telescopic tube away from the inner wall of the material distribution pipe is fixedly connected to a pushing claw, the bottom slot of the material receiving tray is fixedly connected to a discharge pipe, the bottom of the inner wall of the material receiving tray is fixedly connected to an air pressure column, the top of the air pressure column is fixedly connected to an oblique flow plate, and the quartz sand inside the material receiving tray is turned over by the oblique flow plate that moves up and down.

[0009] According to the above technical scheme, the stripping mechanism includes a material discharge box, which is fixedly connected to the bottom of the inner wall of the working box, and the material discharge box is fixedly connected to the bottom of the connecting disk. The bottom of the inner wall of the material discharge box is fixedly connected with a top column, and the top column is rotatably connected to the surface of the connecting column. The top of the top column is rotatably connected to a mounting ring, and the surface of the mounting ring is fixedly connected with a flow cavity. Both sides of the inner wall of the flow cavity are rotatably connected with heating blocks through a rotating shaft, and the bottom of the mounting ring is fixedly connected with a push rod, and the end of the push rod away from the mounting ring is fixedly connected with an absorption capsule. A stripping assembly is arranged at the surface slot of the material discharge box, and large particles of quartz sand flow into the inside of the material distribution pipe and then flow into the inside of the material discharge box through the internal slot of the connecting disk.

[0010] According to the above technical solution, the storage assembly includes a storage tube, which is fixedly connected to the left side of the inner wall of the storage box, and cutting blocks are rotatably connected to both sides of the inner wall of the storage tube through a rotating shaft. Movable rods are slidably connected in the slots at both ends of the storage tube, and the end of the movable rod away from the storage tube is fixedly connected to a side plate, and the inner wall of the side plate is fixedly connected to an absorption cavity plate, and the crystals inside the small particles of quartz sand are extracted through the absorption cavity plate.

[0011] According to the above technical solution, the stripping assembly includes a discharge plate, one end of which is rotatably connected to the surface slot of the discharge box via a rotating shaft, a pushing ring is fixedly connected to the top of the discharge plate, a compression ring is fixedly connected to the top of the discharge plate, a rolling rod is rotatably connected to the inner wall of the compression ring, a rolling rod is fixedly connected to the surface of the rolling rod, and the compression ring swings downward to the top slot of the discharge plate.

[0012] According to the above technical solution, the number of the push rings is set to four, and the four push rings are symmetrically installed on the top of the discharge plate with the center line of the discharge plate as the symmetry axis. The push rings are squeezed, thereby driving the discharge plate to swing up and down continuously at the slot hole of the distribution pipe.

[0013] According to the above technical solution, the number of the flow chambers is set to two, and the two push rings are symmetrically installed on the top of the discharge plate with the center line of the discharge plate as the symmetry axis. When the installation ring rotates, it will drive the heating block to swing inside the flow chamber.

[0014] According to the above technical solution, the number of the air pressure columns is set to two, and the two air pressure columns are symmetrically installed at the bottom of the inner wall of the receiving tray with the center line of the receiving tray as the symmetry axis. When the air pressure flows into the air pressure column, it will expand upward and drive one end of the inclined flow plate to lift upward.

[0015] Compared with the prior art, the present invention provides a quartz sand purification device, which has the following beneficial effects:

[0016] 1. The present invention is provided with a material distribution mechanism, and the quartz sand inside the receiving tray is turned over by the inclined flow plate that moves up and down. The turned quartz sand will flow into the discharge pipe, and some small particles of quartz sand will be discharged into the landslide plate through the surface groove holes of the discharge pipe, and then discharged into the storage box from the landslide plate. The air pressure will also drive the telescopic tube to extend outward, and push the large particles of quartz sand in the quartz sand into the surface groove holes of the distribution pipe through the pushing claws.

[0017] 2. The present invention is provided with a stripping mechanism. After large particles of quartz sand flow into the inside of the distribution pipe, they flow into the inside of the discharge box through the internal slots of the connecting plate. After flowing into the inside of the discharge box, the quartz sand will enter the top slot of the mounting ring. When the power device in the starting top column drives the mounting ring to rotate, the rotation will drive the push rod to rotate inside the distribution pipe. When the push rod moves to the surface of the push ring, the absorption capsule and the push ring are squeezed to generate negative pressure suction, and the moisture in the quartz sand is absorbed into the inside through the absorption capsule.

[0018] 3. The present invention is provided with a stripping component, and the quartz sand at the top slot of the discharge plate is squeezed by a rolling block, so that the stone skin on the surface of large-grained quartz sand is removed, and the stone skin on the surface of the quartz sand will also sink into the internal slot of the discharge plate due to external squeezing, and the large-grained quartz sand will also leak out of the internal crystals and fall into the working box.

[0019] 4. The present invention is provided with a storage component. When the surface of the small-particle quartz sand is cut off, the leaked internal crystals will be cut by the cutting block and popped out from the slot hole of the storage tube to the inside of the absorption cavity plate, and the crystals inside the small-particle quartz sand will be extracted through the absorption cavity plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the working box of the present invention;

[0023] Figure 3 It is a schematic diagram of the top view of the material distribution pipe of the present invention;

[0024] Figure 4 It is a schematic diagram of the internal cross-sectional structure of the receiving tray of the present invention;

[0025] Figure 5 It is a schematic diagram of the internal cross-sectional structure of the blanking box of the present invention;

[0026] Figure 6 It is a schematic diagram of the top view of the unloading plate of the present invention;

[0027] Figure 7 It is a schematic diagram of the internal cross-sectional structure of the storage tube of the present invention.

[0028] In the figure: 1, working box; 2, storage box; 3, sliding plate; 4, connecting column; 5, connecting plate; 6, material distribution mechanism; 601, material distribution pipe; 602, sliding plate; 603, mounting block; 604, lower pressure plate; 605, plug-in cavity; 606, spring rope; 607, plug-in block; 608, material distribution assembly; 6081, receiving plate; 6082, air pressure column; 6083, oblique flow plate; 6084, material discharge pipe; 6085, telescopic tube; 6086, pushing claw; 7, Stripping mechanism; 701, unloading box; 702, top column; 703, mounting ring; 704, flow chamber; 705, heating block; 706, push rod; 707, absorption capsule; 708, stripping assembly; 7081, discharge plate; 7082, compression ring; 7083, rolling rod; 7084, rolling block; 7085, push ring; 8, storage assembly; 801, storage tube; 802, cutting block; 803, movable rod; 804, absorption chamber plate; 805, side plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] For example, see Figure 1-Figure 4 The present invention provides a technical solution: a quartz sand purification device, comprising a working box 1, a storage box 2 is fixedly connected to the bottom of the inner wall of the working box 1, a landslide plate 3 is fixedly connected to the left side of the storage box 2, a connecting column 4 is fixedly connected to the bottom of the inner wall of the working box 1, a connecting plate 5 is fixedly connected to the surface of the connecting column 4, a stripping mechanism 7 is arranged at the bottom of the connecting plate 5, a storage assembly 8 is arranged on the left side of the inner wall of the storage box 2, and further comprising:

[0031] The material distribution mechanism 6 includes a material distribution pipe 601 fixedly connected to the top of the connecting column 4. The surface of the material distribution pipe 601 is provided with slots for large-particle quartz sand to flow in. An air pressure bag is installed inside the material distribution pipe 601. The air pressure generated by the external extrusion of the quartz sand flows into the receiving tray 6081. The top of the material distribution pipe 601 is fixedly connected to a sliding tray 602. The top of the sliding tray 602 is fixedly connected to a mounting block 603. The inner walls of the mounting block 603 are rotatably connected to the lower pressure plate 608 through a rotating shaft. 04, a plug-in block 607 is fixedly connected to the bottom of the lower pressure plate 604, a plug-in cavity 605 is fixedly connected in the surface slot of the sliding plate 602, a plug-in groove is provided on the surface of the plug-in cavity 605, a spring rope 606 is fixedly connected to the top of the lower pressure plate 604, the spring rope 606 has strong elasticity, and will drive the lower pressure plate 604 to swing up and down, one end of the spring rope 606 away from the lower pressure plate 604 is fixedly connected to the top of the sliding plate 602, and a material distribution component 608 is provided at the bottom of the distribution pipe 601;

[0032] The material distribution component 608 includes a receiving tray 6081 fixedly connected to the bottom of the material distribution pipe 601, a telescopic tube 6085 is fixedly connected to the inner wall of the receiving tray 6081, and a pushing claw 6086 is fixedly connected to the end of the telescopic tube 6085 away from the inner wall of the material distribution pipe 601, a discharge pipe 6084 is fixedly connected to the bottom slot of the receiving tray 6081, and slots are provided on the surface of the discharge pipe 6084 for allowing small particles of quartz sand to flow out, an air pressure column 6082 is fixedly connected to the bottom of the inner wall of the receiving tray 6081, and an inclined flow plate 6083 is fixedly connected to the top of the air pressure column 6082.

[0033] The working method of the first embodiment is as follows: after a large amount of quartz sand is slid into the inner wall of the slide plate 602 through the top slot hole, the quartz sand will flow out from the surface slot hole of the slide plate 602 to the receiving plate 6081. When the quartz sand flows out, it will push the lower pressure plate 604, so that one end of the lower pressure plate 604 swings up and down on the inner wall of the mounting block 603 through the spring rope 606, and the quartz sand is knocked by the plug-in block 607, so that a large amount of broken gravel contained in the quartz sand is stuffed into the plug-in cavity 605. After a large amount of quartz sand flows into the interior of the mounting block 603, it will squeeze the air bag inside it, so that air pressure is generated in the mounting block 603. It flows into the receiving tray 6081. When the air pressure flows into the air pressure column 6082, it will expand upward and drive one end of the inclined flow plate 6083 to lift upward, and the quartz sand inside the receiving tray 6081 will be turned over by the inclined flow plate 6083 moving up and down, and the turned quartz sand will flow into the discharge pipe 6084. Some small particles of quartz sand will be discharged into the landslide plate 3 through the surface grooves of the discharge pipe 6084, and then discharged into the storage box 2 from the landslide plate 3. The air pressure will also drive the telescopic tube 6085 to extend outward, and push the large particles of quartz sand in the quartz sand into the surface grooves of the distribution pipe 601 through the pushing claws 6086.

[0034] Example 2: Based on Example 1, continue to refer to 5- Figure 6 , the stripping mechanism 7 includes a material box 701, which is fixedly connected to the bottom of the inner wall of the working box 1, and the material box 701 is fixedly connected to the bottom of the connecting plate 5. The bottom of the inner wall of the material box 701 is fixedly connected with a top column 702, and the top column 702 is rotatably connected to the surface of the connecting column 4. The top of the top column 702 is rotatably connected to a mounting ring 703, and a slot is provided on the top of the mounting ring 703. The slot is in the shape of an inclined ladder and extends downward to the inside of the flow cavity 704. The surface of the mounting ring 703 is fixedly connected with the flow cavity 704, and heating blocks 705 are rotatably connected to the two sides of the inner wall of the flow cavity 704 through a rotating shaft. A push rod 706 is fixedly connected to the bottom of the mounting ring 703, and an absorption hole is provided inside the push rod 706. An end of the push rod 706 away from the mounting ring 703 is fixedly connected to an absorption capsule 707, and a stripping component 708 is provided at the slot on the surface of the material box 701;

[0035] The stripping assembly 708 includes a discharge plate 7081, one end of which is rotatably connected to the surface slot of the discharge box 701 via a rotating shaft, a push ring 7085 is fixedly connected to the top of the discharge plate 7081, a compression ring 7082 is fixedly connected to the top of the discharge plate 7081, a rolling rod 7083 is rotatably connected to the inner wall of the compression ring 7082, a rolling rod 7083 is fixedly connected to the surface of the rolling rod 7083, and a rolling block 7084 is fixedly connected to the surface of the rolling rod 7083, and the volume of the rolling block 7084 is the same as the volume of the top slot of the discharge plate 7081.

[0036] The working method of the second embodiment of the present invention is as follows: large particles of quartz sand flow into the inside of the distribution pipe 601 and then flow into the inside of the discharge box 701 through the internal slots of the connecting plate 5. After flowing into the inside of the discharge box 701, the quartz sand will enter the top slot of the mounting ring 703, and the power device in the starting top column 702 will drive the mounting ring 703 to rotate, and the rotation will drive the push rod 706 to rotate inside the distribution pipe 601. When the push rod 706 moves to the surface of the push ring 7085, the absorption capsule 707 and the push ring 7085 are squeezed to generate negative pressure suction, and the moisture in the quartz sand is absorbed into the inside through the absorption capsule 707. When the mounting ring 703 rotates, it will drive the heating block 705 to swing inside the flow chamber 704, and the quartz sand inside the mounting ring 703 will also enter due to the rotation. Inside the flow chamber 704, the moisture on the surface of the quartz sand is absorbed into the interior through the swinging of the heating block 705, and the quartz sand is discharged from the flow chamber 704 to the surface of the discharge plate 7081. The push ring 7085 is squeezed, thereby driving the discharge plate 7081 to continuously swing up and down at the slot of the distribution pipe 601, and the compression ring 7082 is also driven to swing up and down during the swinging process. When the compression ring 7082 swings downward to the top slot of the discharge plate 7081, the quartz sand at the top slot of the discharge plate 7081 is squeezed by the rolling block 7084, thereby removing the stone skin on the surface of large particles of quartz sand, and the stone skin on the surface of the quartz sand will also sink into the internal slot of the discharge plate 7081 due to external squeezing, and the large particles of quartz sand will also leak out of the internal crystal and fall into the working box 1.

[0037] Example 3: Based on Example 1, continue to refer to Figure 7 The storage assembly 8 includes a storage tube 801, a slot is provided on the surface of the storage tube 801, the storage tube 801 is fixedly connected to the left side of the inner wall of the storage box 2, and cutting blocks 802 are rotatably connected to the inner wall of the storage tube 801 on both sides through a rotating shaft, and movable rods 803 are slidably connected in the slots at both ends of the storage tube 801, and one end of the movable rod 803 away from the storage tube 801 is fixedly connected to a side plate 805, and the inner wall of the side plate 805 is fixedly connected to an absorption cavity plate 804, and an absorption groove is provided on the surface of the absorption cavity plate 804.

[0038] The working method of the third embodiment is as follows: when small particles of quartz sand slide from the surface of the landslide plate 3 into the storage tube 801, the power device in the storage box 2 is started to drive the cutting block 802 to rotate. When the cutting block 802 rotates, the surface of the small particles of quartz sand in the storage tube 801 is removed, and the removed surface of the quartz sand will fall into the storage box 2 through the surface grooves of the storage tube 801. After the surface of the small particles of quartz sand is removed, the leaked internal crystals will also be cut by the cutting block 802 and pop out from the grooves of the storage tube 801 to the absorption cavity plate 804, and the crystals inside the small particles of quartz sand will be extracted through the absorption cavity plate 804.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. 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. A quartz sand purification device, comprising a working box (1), a storage box (2) is fixedly connected to the bottom of the inner wall of the working box (1), a landslide plate (3) is fixedly connected to the left side of the storage box (2), a connecting column (4) is fixedly connected to the bottom of the inner wall of the working box (1), a connecting plate (5) is fixedly connected to the surface of the connecting column (4), a stripping mechanism (7) is arranged at the bottom of the connecting plate (5), and a storage assembly (8) is arranged on the left side of the inner wall of the storage box (2), characterized in that: Also includes: The material distribution mechanism (6) comprises a material distribution pipe (601) fixedly connected to the top of the connecting column (4), the top of the material distribution pipe (601) is fixedly connected to a sliding plate (602), the top of the sliding plate (602) is fixedly connected to a mounting block (603), the inner walls of the mounting block (603) are rotatably connected to a lower pressure plate (604) on both sides via a rotating shaft, the bottom of the lower pressure plate (604) is fixedly connected to a plug-in block (607), a plug-in cavity (605) is fixedly connected in a surface slot of the sliding plate (602), the top of the lower pressure plate (604) is fixedly connected to a spring rope (606), one end of the spring rope (606) away from the lower pressure plate (604) is fixedly connected to the top of the sliding plate (602), and a material distribution assembly (608) is provided at the bottom of the material distribution pipe (601); The material distribution component (608) includes a material receiving tray (6081) fixedly connected to the bottom of the material distribution pipe (601), the inner wall of the material receiving tray (6081) is fixedly connected with a telescopic tube (6085), the end of the telescopic tube (6085) away from the inner wall of the material distribution pipe (601) is fixedly connected with a pushing claw (6086), the bottom slot of the material receiving tray (6081) is fixedly connected with a discharge pipe (6084), the bottom of the inner wall of the material receiving tray (6081) is fixedly connected with an air pressure column (6082), and the top of the air pressure column (6082) is fixedly connected with an inclined flow plate (6083).

2. A quartz sand purification device according to claim 1, characterized in that: The stripping mechanism (7) comprises a material discharge box (701), wherein the material discharge box (701) is fixedly connected to the bottom of the inner wall of the working box (1), the material discharge box (701) is fixedly connected to the bottom of the connecting plate (5), the bottom of the inner wall of the material discharge box (701) is fixedly connected to a top column (702), the top column (702) is rotatably connected to the surface of the connecting column (4), the top of the top column (702) is rotatably connected to a mounting ring (703), the surface of the mounting ring (703) is fixedly connected to a flow cavity (704), both sides of the inner wall of the flow cavity (704) are rotatably connected to heating blocks (705) via a rotating shaft, the bottom of the mounting ring (703) is fixedly connected to a push rod (706), the end of the push rod (706) away from the mounting ring (703) is fixedly connected to an absorption capsule (707), and a material stripping component (708) is provided at the surface slot of the material discharge box (701).

3. A quartz sand purification device according to claim 1, characterized in that: The storage assembly (8) comprises a storage tube (801), the storage tube (801) being fixedly connected to the left side of the inner wall of the storage box (2), the inner walls of the storage tube (801) being rotatably connected to cutting blocks (802) via rotating shafts on both sides, movable rods (803) being slidably connected in slots at both ends of the storage tube (801), the end of the movable rod (803) away from the storage tube (801) being fixedly connected to a side plate (805), and the inner wall of the side plate (805) being fixedly connected to an absorption cavity plate (804).

4. A quartz sand purification device according to claim 2, characterized in that: The stripping assembly (708) includes a material discharge plate (7081), one end of which is rotatably connected to a surface slot of a material discharge box (701) via a rotating shaft, a push ring (7085) is fixedly connected to the top of the material discharge plate (7081), a compression ring (7082) is fixedly connected to the top of the material discharge plate (7081), a rolling rod (7083) is rotatably connected to the inner wall of the compression ring (7082), and a rolling block (7084) is fixedly connected to the surface of the rolling rod (7083).

5. A quartz sand purification device according to claim 4, characterized in that: The number of the push rings (7085) is set to four, and the four push rings (7085) are symmetrically installed on the top of the discharge plate (7081) with the center line of the discharge plate (7081) as the symmetry axis.

6. A quartz sand purification device according to claim 2, characterized in that: The number of the flow chambers (704) is set to two, and the two push rings (7085) are symmetrically installed on the top of the discharge plate (7081) with the center line of the discharge plate (7081) as the symmetry axis.

7. A quartz sand purification device according to claim 1, characterized in that: The number of the air pressure columns (6082) is set to two, and the two air pressure columns (6082) are symmetrically installed at the bottom of the inner wall of the receiving tray (6081) with the center line of the receiving tray (6081) as the symmetry axis.

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