An automatic hanging and picking device for a single crystal furnace feeder

Abstract

The present invention discloses an automatic hanging and unhanging device for a single crystal furnace feeder, which relates to the technical field of single crystal manufacturing and can at least partially solve the problem in the prior art that manual hanging and unhanging of the feeder is required. An automatic hanging and unhanging device for a single crystal furnace feeder according to an embodiment of the present invention includes an opening and closing hanging buckle assembly disposed at the bottom of a weight and moving up and down with it, and a hanging and unhanging assembly coaxially cooperating with the opening and closing hanging buckle assembly during the process of hanging and unhanging the feeder, wherein: the opening and closing hanging buckle assembly includes a plurality of hanging arms that can be opened and closed in an umbrella shape, and the hanging arms include a hook structure disposed at the bottom thereof for hooking the hanging and unhanging assembly; the hanging and unhanging assembly includes a hanging material pushing head, a material taking sliding sleeve, and a connecting rod fixedly connected to the feeder at the bottom, the hanging material pushing head is disposed at the top of the connecting rod and has a first inclined surface for pushing the hook structure to open from bottom to top, and the material taking sliding sleeve is slidably connected to the hanging and unhanging rod and has a second inclined surface for pushing the hook structure to open from top to bottom.

Description

Technical Field

[0001] The present invention relates to the technical field of single crystal silicon manufacturing, and particularly relates to an automatic hanging and picking device for a single crystal furnace feeder. Background Art

[0002] In the field of single crystal silicon manufacturing, automated production is the mainstream development direction in the future. Currently, in the production process of single crystal silicon, the degree of automation in the recharging process is particularly backward. In the recharging process, it is necessary to manually hang and pick the feeder. When hanging and picking the feeder, it is necessary to manually install a hook on the feeder and then hang the feeder on the heavy hammer crystal lift of the single crystal furnace. However, the current connection method has the following disadvantages.

[0003] Firstly, the operation process of manual hanging and picking is complex and the hanging and picking efficiency is low;

[0004] Secondly, manual operation is prone to safety accidents due to human error. After the feeder enters the single crystal furnace, once the hook is disengaged, there is no remedial measure and it will be difficult to take out the feeder;

[0005] Thirdly, during the production of single crystal rods, it is necessary to hang and pick the charging cylinder simultaneously and multiple times. Personnel can only operate one device at a time for connection, resulting in a large number of personnel being required during the production process of single crystal rods.

[0006] In view of this, the present application proposes an automatic hanging and picking device for a single crystal furnace, which can realize the function of automatically hanging and picking the feeder in the recharging process to solve the above problems existing in manual hanging and picking of the feeder. Summary of the Invention

[0007] The purpose of the present invention is to provide an automatic hanging and picking device for a single crystal furnace feeder, which is used to solve the problems in the prior art such as low production efficiency, easy occurrence of safety accidents, large number of personnel required, and waste of labor caused by manual hanging and picking of the feeder.

[0008] To solve the above technical problems, the present invention adopts the following solutions:

[0009] The present invention provides an automatic hanging and picking device for a single crystal furnace feeder, including an opening and closing hanging buckle assembly arranged at the bottom of the heavy hammer and moving up and down with it, and a hanging and picking assembly coaxially cooperating with the opening and closing hanging buckle assembly during the process of hanging and picking the feeder, wherein:

[0010] The opening and closing hanging buckle assembly includes a plurality of hanging arms that can be opened and closed in an umbrella shape. The hanging arms include a hook structure arranged at the bottom thereof for hanging and buckling the hanging and picking assembly;

[0011] The hanging and fetching component includes a hanging material pushing head, a fetching material sliding sleeve, and a connecting rod with its bottom fixedly connected to the feeder. The hanging material pushing head is arranged at the top of the connecting rod and has a first inclined surface for pushing the hook structure to open from bottom to top. The fetching material sliding sleeve is slidably connected to the hanging and fetching rod and has a second inclined surface for pushing the hook structure to open from top to bottom.

[0012] In some alternative embodiments, the number of hanging arms of the opening and closing hanging buckle component is at least two and they have the same structure. It further includes a weight connecting structure fixedly connected to the bottom of the weight, where:

[0013] The hanging arm further includes a swing arm hinged to the weight connecting structure at the top. The bottom of the swing arm is fixedly connected to the hook structure, and the length of the swing arm is greater than the maximum distance between the hanging material pushing head and the fetching material sliding sleeve.

[0014] In some alternative embodiments, the hook structure includes a hanging plate for hanging the hanging and fetching component and a hook for buckling the hanging and fetching component. The top of the hanging plate is horizontal and the bottom is a conical curved surface. The hook is fixed on the side of the hanging plate away from the swing arm, and the top height of the hook is higher than that of the hanging plate.

[0015] In some alternative embodiments, the hook is provided with an arc-shaped groove coaxial with the connecting rod during the process of hanging and fetching the feeder. The arc-shaped grooves of several hooks of the opening and closing hanging buckle component can be combined into a circular through hole, and the diameter of the circular through hole is greater than or equal to the diameter of the connecting rod.

[0016] In some alternative embodiments, the fetching material sliding sleeve further includes a sliding sleeve extension section located below the second inclined surface. The sliding sleeve extension section is in the shape of a constant-diameter cylinder, and the diameter of the sliding sleeve extension end is smaller than the diameter of the circular through hole formed by combining the arc-shaped grooves of several hooks.

[0017] In some alternative embodiments, the end of the conical curved surface at the bottom of the hanging plate is further provided with a curved surface groove for reducing the resistance when the hanging material pushing head pushes the hanging arm to open.

[0018] In some alternative embodiments, several guiding plates for guiding the hanging material pushing head to push the hook structure to open are further provided at the bottom of the hanging arm. The guiding plates are in the shape of vertical inverted triangular plates.

[0019] In some alternative embodiments, the shape of the swing arm includes profiles with a circular, rectangular, or arc-shaped cross-section;

[0020] When the cross-section shape of the profile is arc-shaped, several swing arms of the opening and closing hanging buckle component can be combined into a hollow cylinder.

[0021] In some alternative embodiments, the swing arm is a profile with an arc-shaped cross-section, and both the hanging material pushing head and the fetching material sliding sleeve are of revolution; the first inclined surface and the second inclined surface are both conical curved surfaces.

[0022] In some alternative embodiments, the hanging material pushing head further includes a sizing section of the pushing head located at the bottom of the first inclined surface; the material taking sliding sleeve further includes a sizing section of the sliding sleeve located at the top of the second inclined surface, and the diameter of the sizing section of the sliding sleeve is greater than or equal to the diameter of the sizing section of the pushing head; the diameter of the sizing section of the sliding sleeve is smaller than the diameter of the cylinder formed by several swing arms.

[0023] In some alternative embodiments, the weight connecting structure includes a weight connecting part threadedly connected to the bottom of the weight, and a swing arm hinged part located at the bottom of the weight connecting part; the hanging arm further includes a hinge plate provided at the top of the swing arm and hinged to the swing arm hinged part.

[0024] In some alternative embodiments, the top of the connecting rod is further provided with a hanging material structure detachably connected to the hanging material pushing head, and the bottom of the hanging material structure is provided with a hanging material card slot that is snap-fitted to the shape of the hook.

[0025] In some alternative embodiments, the hanging and taking assembly further includes a feeder connecting structure provided at the bottom of the connecting rod, and the bottom of the feeder connecting structure is threadedly connected to the feeder connecting rod at the top of the feeder.

[0026] Advantages of the present invention:

[0027] An automatic hanging and taking device for a single crystal furnace feeder according to the present invention includes an opening and closing hanging buckle assembly provided at the bottom of a weight and moving up and down with it, and a hanging and taking assembly coaxially cooperating with the opening and closing hanging buckle assembly during the process of hanging and taking the feeder, wherein:

[0028] The opening and closing hanging buckle assembly includes several hanging arms that can be opened and closed in an umbrella shape, and the hanging arms include a hook structure provided at the bottom thereof for hanging and buckling the hanging and taking assembly;

[0029] The hanging and taking assembly includes a hanging material pushing head, a material taking sliding sleeve, and a connecting rod fixedly connected to the feeder at the bottom. The hanging material pushing head is provided at the top of the connecting rod and has a first inclined surface for pushing the hook structure to open from bottom to top, and the material taking sliding sleeve is slidably connected to the hanging and taking rod and has a second inclined surface for pushing the hook structure to open from top to bottom.

[0030] The effects are as follows: By providing a mutually cooperating opening and closing hanging buckle assembly and hanging and taking assembly, and the opening and closing hanging buckle assembly can be opened and closed in an umbrella shape. When the opening and closing hanging buckle assembly moves up and down, it can realize the ingenious design concept of automatically hanging materials by using the hanging arms and the hanging material pushing head to buckle the hanging and taking assembly under the action of gravity, and automatically taking materials by using the material taking sliding sleeve to push open the hanging arms under the action of gravity. During the process of hanging and taking the feeder, no manual operation is required, solving the problem of cumbersome operation during the hanging and taking of the feeder in the existing recharging process. At the same time, it can meet the operation of hanging and taking the feeder for multiple single crystal furnaces simultaneously, greatly saving working hours and also saving a large amount of labor allocation. Description of the Drawings

[0031] Figure 1Schematic diagram of the three-dimensional structure of the embodiment of the present invention;

[0032] Figure 2 is Figure 1 Schematic diagram of the sectional structure of A-A in;

[0033] Figure 3 Schematic diagram of the three-dimensional structure of another perspective of the embodiment of the present invention;

[0034] Figure 4 Schematic diagram of the three-dimensional structure of the opening and closing hanging buckle assembly in the embodiment of the present invention;

[0035] Figure 5 Schematic diagram of the three-dimensional structure of the second hanging buckle structure in the opening and closing hanging buckle assembly of the embodiment of the present invention;

[0036] Figure 6 Schematic diagram of the three-dimensional structure of the hanging and taking assembly in the embodiment of the present invention;

[0037] Figure 7 Schematic diagram of the three-dimensional structure of the hanging material assembly in the embodiment of the present invention;

[0038] Figure 8 Schematic diagram of the three-dimensional structure of the material taking sliding sleeve in the embodiment of the present invention;

[0039] Figure 9 Schematic diagram of the principle of the hanging material process in the embodiment of the present invention;

[0040] Figure 10 Schematic diagram of the three-dimensional structure during hanging material in the embodiment of the present invention;

[0041] Figure 11 Schematic diagram of the principle of the material taking process in the embodiment of the present invention;

[0042] Figure 12 Schematic diagram of the three-dimensional structure after material taking in the embodiment of the present invention.

[0043] Explanation of reference numerals:

[0044] 11 - swing arm, 12 - weight connection structure, 121 - weight connection part, 122 - swing arm hinge part, 13 - hinge plate, 14 - hanging plate, 15 - hook, 151 - arc-shaped groove, 16 - guide plate, 17 - curved surface groove, 21 - connecting rod, 211 - hanging material structure, 212 - hanging material card slot, 22 - hanging material push head, 221 - first inclined surface, 222 - push head sizing section, 23 - material taking sliding sleeve, 231 - second inclined surface, 232 - sliding sleeve sizing section, 233 - guide inclined surface, 234 - sliding sleeve extension section, 24 - feeder connection structure, 3 - weight, 4 - feeder, 41 - feeder connecting rod. Detailed implementation manners

[0045] The present invention will be further described in detail below in conjunction with embodiments and the accompanying drawings. However, the implementation manners of the present invention are not limited thereto.

[0046] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0047] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "provided with", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The present invention will be described in detail below by referring to the drawings and in conjunction with embodiments:

[0049] As Figures 1 to 3 shown, this embodiment provides an automatic hanging and picking device for a single crystal furnace feeder 4, including an opening and closing hanging buckle assembly arranged at the bottom of the weight 3 and moving up and down with it, and a hanging and picking assembly that is coaxially matched with the opening and closing hanging buckle assembly during the process of hanging and picking the feeder 4, wherein:

[0050] The opening and closing hanging buckle assembly includes a plurality of hanging arms that can open and close in an umbrella shape. The hanging arms include a hook structure arranged at the bottom thereof for hanging and buckling the hanging and picking assembly;

[0051] The hanging and picking assembly includes a hanging material pushing head 22, a picking material sliding sleeve 23, and a connecting rod 21 fixedly connected to the feeder 4 at the bottom. The hanging material pushing head 22 is arranged at the top of the connecting rod 21 and has a first inclined surface 221 for pushing the hook structure to open from bottom to top, and a bottom structure for hanging on the hook structure;

[0052] The picking material sliding sleeve 23 is slidably connected to the hanging and picking rod and has a second inclined surface 231 for pushing the hook structure to open from top to bottom, and a top structure located at the top for shielding the bottom structure of the hanging material pushing head 22.

[0053] Before use, the hanging and fetching component needs to be installed on the feeder connecting rod 41 at the top of the feeder 4 first, and the opening and closing hanging buckle component needs to be installed at the bottom of the weight 3 of the single crystal furnace, so that the opening and closing hanging buckle component can move up and down with the lifting stroke preset by the program together with the weight 3. During use, through the coaxial cooperation of the opening and closing hanging buckle component and the hanging and fetching component, the automatic hanging and separation of the opening and closing hanging buckle component and the hanging and fetching component are realized, and the automatic fetching and hanging function of the feeder 4 is realized. The weight 3 and the feeder 4 in this embodiment are both prior arts in this technical field and will not be described in detail here.

[0054] During automatic feeding, as Figure 9 shown, the opening and closing hanging buckle component is located directly above the hanging and fetching component and moves down with the weight 3 of the single crystal furnace. Subsequently, the feeding push head 22 of the hanging and fetching component will push the hook structure and the hanging arm fixedly connected to the hook structure to open from bottom to top. When the feeding push head 22 is completely above the hook structure, the hanging arm and the hook structure will gradually close under gravity until the feeding push head 22 is hooked on the hook structure. At this time, the cooperation between the opening and closing hanging buckle component and the hanging and fetching component is as Figure 10 shown.

[0055] During automatic material fetching, as Figure 11 shown, the opening and closing hanging buckle component continues to move down until the material fetching sliding sleeve 23 pushes the hanging arm and its hook structure to open from bottom to top. When the material fetching sliding sleeve 23 is above the hook structure, the hanging arm and the hook structure will gradually close under gravity. Subsequently, the opening and closing hanging buckle component moves up. At this time, since the material fetching sliding sleeve 23 is slidably connected to the connecting rod 21, the material fetching sliding sleeve 23 will move up with the opening and closing hanging buckle component until the top of the material fetching sliding sleeve 23 is blocked by the bottom of the feeding push head 22. During the continuous upward movement of the opening and closing hanging buckle component, the feeding push head 22 and the material fetching sliding sleeve 23 can form a component with a first inclined surface 221 and a second inclined surface 231 at the same time. With the continuous upward movement of the opening and closing hanging buckle component, the second inclined surface 231 of the material fetching sliding sleeve 23 pushes the hanging arm and the hook structure open from top to bottom, and the material fetching sliding sleeve 23 and the feeding push head 22 will move out of the opening and closing hanging buckle component successively, realizing automatic inclined hanging and separating the hanging and fetching component from the opening and closing component. At this time, the position schematic diagram of the opening and closing hanging buckle component and the hanging and fetching component is as Figure 12 shown.

[0056] In summary, in this embodiment, the bottom plane of the feeding push head 22 can be automatically hooked on the hook structure of the opening and closing hanging buckle component under the action of gravity. Through the component formed by the combination of the feeding push head 22 and the material fetching hanging sleeve, the bottom of the feeding push head 22 can be blocked, and instead, the inclined second inclined surface 231 can push the hanging arm and the hook structure open from top to bottom, realizing the automatic separation of the hanging and fetching component and the opening and closing hanging buckle component.

[0057] Therefore, in this embodiment, by providing a cooperating opening and closing hanging buckle assembly and a hanging and taking assembly, and the opening and closing hanging buckle assembly can be opened and closed in an umbrella shape. When the opening and closing hanging buckle assembly moves up and down, it can achieve the ingenious design concept of automatically hanging materials by using the hanging arm and the hanging material pushing head 22 to fasten the hanging and taking assembly under the action of gravity, and automatically taking materials by using the material taking sliding sleeve 23 to push the hanging arm away under the action of gravity. During the hanging and taking process of the feeder 4, no manual operation is required, solving the problem of cumbersome operation during the hanging and taking of the feeder 4 in the existing refeeding process. At the same time, it can meet the operation of hanging and taking the feeder 4 for multiple single crystal furnaces simultaneously, greatly saving working hours and also saving a large amount of labor allocation.

[0058] In some alternative embodiments, the number of hanging arms of the opening and closing hanging buckle assembly is at least two and the structures are the same. It further includes a weight connecting structure 12 fixedly connected to the bottom of the weight 3, wherein:

[0059] The hanging arm further includes a swing arm 11 hinged to the weight connecting structure 12 at the top. The bottom of the swing arm 11 is fixedly connected to the hook structure. The length of the swing arm 11 is greater than the maximum distance between the hanging material pushing head 22 and the material taking sliding sleeve 23. As Figure 2 shown, in this embodiment, the length of the swing arm 11 is greater than the maximum distance between the top of the hanging material pushing head 22 and the bottom of the material taking hanging sleeve, which can prevent the hook structure of the opening and closing hanging buckle assembly from not being able to move below the second inclined surface 231 of the material taking sliding sleeve when the opening and closing hanging buckle assembly moves downward, and prevent the hook structure from pulling the material taking sliding sleeve 23 upward to below the hanging material pushing head 22, resulting in the top structure of the material taking sliding sleeve being unable to shield and block the bottom structure of the hanging material pushing head 22, and thus unable to discharge materials smoothly.

[0060] In some alternative embodiments, the connecting rods 21 of the opening and closing hanging buckle assembly and the hanging and taking assembly are all made of stainless steel, and the material taking sliding sleeve 23 of the hanging and taking assembly is made of plastic. Since the material taking sliding sleeve 23 does not need to bear the weight of the loading feeder 4, therefore, making the material taking sliding sleeve 23 of plastic can reduce the weight, so that when the hook structure can extend below the second inclined surface 231 of the material taking sliding sleeve, the hook structure can smoothly push the material taking sliding sleeve 23 upward, enabling the top structure of the material taking sliding sleeve to shield and block the bottom structure of the hanging material pushing head 22, and enabling the opening and closing hanging buckle assembly and the hanging and taking assembly to be automatically separated.

[0061] In some alternative embodiments, the hook structure includes a hanging plate 14 for hanging the hanging and taking assembly and a hook 15 for buckling the hanging and taking assembly. The top of the hanging plate 14 is horizontal and the bottom is a conical curved surface. The hook 15 is fixed on the side of the hanging plate 14 away from the swing arm 11, and the top height of the hook 15 is higher than that of the hanging plate 14. As Figure 4 and Figure 5As shown, the bottom structure of the hanging material pusher head 22 can be hooked on the hanging plate 14 of the hook structure. At the same time, it is buckled by the hook 15 of the hook structure. After the bottom structure of the hanging material pusher head 22 is buckled by the hook 15 of the hook structure, the hanging material pusher head 22 can lock the hanging arm of the opening and closing hanging buckle assembly from opening, preventing the hanging and taking assembly from separating from the opening and closing hanging buckle structure, resulting in the separation of the feeder 4 from the hanging and taking assembly and causing safety accidents. At the same time, in this embodiment, the top of the hanging plate 14 is horizontal and the bottom is a conical curved surface, which can facilitate the hanging material pusher head 22 to push the hanging arm open and hook it on the hook structure.

[0062] At the same time, the bottom of the hanging plate 14 is a conical curved surface, which can make it easier and smoother for the top structure of the material taking sliding sleeve 23 to push open the hook structure from bottom to top.

[0063] In some alternative embodiments, an arc-shaped groove 151 coaxial with the connecting rod 21 is provided on the hook 15 during the process of hanging and taking the feeder 4. The arc-shaped grooves 151 of several hooks 15 of the opening and closing hanging buckle assembly can be combined into a circular through hole, and the diameter of the circular through hole is greater than or equal to the diameter of the connecting rod 21. In this embodiment, as Figure 4 and Figure 5 shown, an arc-shaped groove 151 is provided on the hook 15, and the arc-shaped grooves 151 of several hooks 15 can be combined into a circular through hole, which can facilitate the material taking sliding sleeve 23 to push open the hook structure from top to bottom, and further facilitate the hanging material pusher head 22 to push open the hook structure from bottom to top.

[0064] In some alternative embodiments, as Figure 8 shown, the material taking sliding sleeve 23 further includes a sliding sleeve extension section 234 located below the second inclined surface 231. The sliding sleeve extension section 234 is in the shape of a constant-diameter cylinder, and the diameter of the sliding sleeve extension end is smaller than the diameter of the circular through hole formed by combining the arc-shaped grooves 151 of several hooks 15. By providing the sliding sleeve extension section 234, sufficient stroke space can be reserved for the opening and closing hanging buckle assembly to move downward and for the material taking sliding sleeve 23 to push open the hook structure, preventing the hook structure from moving onto the feeder connection structure 24 and causing the hook structure to hook onto the feeder connection structure 24.

[0065] In some alternative embodiments, a curved surface groove 17 for reducing the resistance when the hanging material pusher head 22 pushes the hanging arm open is further provided at the end of the conical curved surface at the bottom of the hanging plate 14. As Figure 5 shown, by providing the curved surface groove 17 at the end of the conical curved surface, the contact surface between the first inclined surface 221 of the hanging material pusher head 22 and the conical curved surface at the bottom of the hanging plate 14 can be enlarged, making it smoother for the hanging material pusher head 22 to push open the hook structure and ensuring that when the hanging material pusher head 22 pushes open the hook structure, each hanging arm of the opening and closing hanging buckle assembly opens smoothly along the axis of the hanging material pusher head 22.

[0066] In some alternative embodiments, a plurality of guide plates 16 for guiding the hanging material pusher head 22 to push open the hook structure are further provided at the bottom of the hanging arm. The guide plates 16 are in the shape of vertical inverted triangular plates. By providing the inverted triangular guide plates 16, the hanging material pusher head 22 and the material taking sliding sleeve 23 can push open the hook structure more smoothly from bottom to top. In particular, the top structure of the material taking sliding sleeve 23 can guide the material taking sliding sleeve 23 to smoothly push open the hook structure from bottom to top.

[0067] In some alternative embodiments, the shape of the swing arm 11 includes profiles with a circular, rectangular, or arc-shaped cross-section.

[0068] In the case where the cross-section of the profile is arc-shaped, several swing arms 11 of the opening and closing hanging buckle assembly can be combined into a hollow cylinder. In this embodiment, as Figure 3 and Figure 4 shown, the number of hanging arms in this embodiment is two, the swing arms 11 of the hanging arms are two, the cross-sections of the two swing arms 11 are both semi-circular arcs, and the combination of the two swing arms 11 forms a hollow cylinder. In certain embodiments, the shape of the swing arm 11 can also be in the shape of a hollow or solid rod, an arc-shaped rod, etc.

[0069] In some alternative embodiments, the swing arm 11 is a profile with an arc-shaped cross-section, and the hanging material pusher head 22 and the material taking sliding sleeve 23 are both of rotary bodies; the first inclined surface 221 and the second inclined surface 231 are both conical curved surfaces. As Figure 2 and Figure 6 shown, the first inclined surface 221 and the second inclined surface 231 in this embodiment are both conical curved surfaces, the hanging material pusher head 22 and the material taking sliding sleeve 23 are both conical rotary bodies, and the conical curved surfaces of the hanging material pusher head 22 and the material taking sliding sleeve 23 face in opposite directions.

[0070] In certain embodiments, as Figure 2 and Figure 8 shown, the top structure of the material taking sliding sleeve 23 is a planar structure, and a guiding inclined surface 233 is further provided between the top plane of the material taking sliding sleeve 23 and the second inclined surface 231. The provision of the guiding inclined surface 233 can further improve the smoothness of the sliding sleeve when pushing open the hook structure from bottom to top.

[0071] In some alternative embodiments, the hanging material pusher head 22 further includes a pusher head sizing section 222 located at the bottom of the first inclined surface 221; the material taking sliding sleeve 23 further includes a sliding sleeve sizing section 232 located at the top of the second inclined surface 231, and the diameter of the sliding sleeve sizing section 232 is greater than or equal to the diameter of the pusher head sizing section 222; the diameter of the sliding sleeve sizing section 232 is smaller than the diameter of the cylinder formed by combining several swing arms 11. As Figure 2As shown, the diameter of the sizing section 232 of the material-taking sliding sleeve 23 is greater than or equal to the diameter of the sizing section 222 of the pushing head, which can ensure that when the material-taking and hanging component is separated from the opening and closing hanging buckle component, the hook structure of the opening and closing hanging buckle component will not catch on the bottom of the material-hanging pushing head 22, resulting in the failure of the material-taking and hanging component to be separated from the opening and closing hanging buckle component smoothly. The diameter of the sizing section 232 of the sliding sleeve is smaller than the diameter of the cylinder formed by combining several swing arms 11, which can enable the material-taking sliding sleeve 23 to push open the hook structure from bottom to top. When several hanging arms are closed under the action of gravity, the material-taking sliding sleeve 23 will not be blocked by the swing arms 11 of the hanging arms when being pushed upward by the hook structure, increasing the resistance of the material-taking sliding sleeve 23 to move upward.

[0072] In some alternative embodiments, the weight connecting structure 12 includes a weight connecting portion 121 threadedly connected to the bottom of the weight 3, and a swing arm hinged portion 122 located at the bottom of the weight connecting portion 121; the hanging arm further includes a hinge plate 13 provided at the top of the swing arm 11 and hinged to the swing arm hinged portion 122. As Figure 2 and Figure 3 shown, the weight connecting portion 121 is cylindrical and threadedly connected to the top of the weight 3. As Figure 2 and Figure 3 shown, in this embodiment, the hinge plates 13 at the tops of the two hanging arms are hinged to the same position of the swing arm hinged portion 122.

[0073] In some alternative embodiments, the top of the connecting rod 21 is further provided with a material-hanging structure 211 detachably connected to the material-hanging pushing head 22, and the bottom of the material-hanging structure 211 is provided with a material-hanging card slot 212 that is snap-fitted to the shape of the hook. As Figure 2 、 Figure 7 and Figure 8 shown, in this embodiment, the top of the connecting rod 21 is further fixed with a material-hanging structure 211, and the bottom of the material-hanging structure 211 is threadedly connected to the feeder connecting rod 41. The material-hanging pushing head 22 is hung on the hook structure through the material-hanging structure 211. In this embodiment, the material-hanging structure 211 is made of stainless steel, and the fixed connection between the material-hanging structure 211 and the connecting rod 21 is by welding or integrally formed connection to enhance its structural strength and load-bearing capacity and extend its service life. In this embodiment, the detachable connection between the material-hanging pushing head 22 and the material-hanging structure 211 is by threaded connection. In some embodiments, the detachable connection between the material-hanging pushing head 22 and the material-hanging structure 211 is by snap connection. In this embodiment, the material of the material-hanging pushing head 22 is the same as that of the material-taking sliding sleeve 23, both being plastic materials.

[0074] In some alternative embodiments, the hanging and picking component further includes a feeder connection structure 24 provided at the bottom of the connecting rod 21. The bottom of the feeder connection structure 24 is threadedly connected to a feeder connecting rod 41 at the top of the feeder 4. The feeder connection structure 24 is cylindrical, and threaded holes are respectively provided at its top and bottom. The feeder connection structure 24 is threadedly connected to the connecting rod 21 and the feeder connecting rod 41 respectively, which can facilitate the connection and fixation of the hanging and picking component and the feeder 4.

[0075] It can be understood that the above embodiments are merely exemplary embodiments adopted to illustrate the principle of the present invention. However, the present invention is not limited thereto. For those of ordinary skill in the art, various deformations and improvements can be made without departing from the spirit and essence of the present invention, and these deformations and improvements are also regarded as the protection scope of the present invention.

Claims

1. An automatic hanging and picking device for a single crystal furnace feeder, characterized in that, It includes an opening and closing hanging buckle assembly arranged at the bottom of the weight (3) and moving up and down with it, and a hanging and picking component that is coaxially matched with the opening and closing hanging buckle assembly during the process of hanging and picking the feeder (4), where: The opening and closing hanging buckle assembly includes several hanging arms that can open and close in an umbrella shape. The hanging arms include a hook structure arranged at their bottoms and used for hanging the hanging and picking component; The hanging and picking component includes a material hanging push head (22), a material picking sliding sleeve (23), and a connecting rod (21) whose bottom is fixedly connected to the feeder (4). The material hanging push head (22) is arranged at the top of the connecting rod (21) and has a first inclined surface (221) that pushes the hook structure to open from bottom to top. The material picking sliding sleeve (23) is slidably connected to the picking and hanging rod and has a second inclined surface (231) that pushes the hook structure to open from top to bottom; The number of hanging arms of the opening and closing hanging buckle assembly is at least two and they have the same structure. It also includes a weight connecting structure (12) fixedly connected to the bottom of the weight (3), where: The hanging arm also includes a swing arm (11) whose top is hinged to the weight connecting structure (12). The bottom of the swing arm (11) is fixedly connected to the hook structure. The length of the swing arm (11) is greater than the maximum distance between the material hanging push head (22) and the material picking sliding sleeve (23); The hook structure includes a hanging plate (14) for hanging the hanging and picking component and a hook (15) for buckling the hanging and picking component. The top of the hanging plate (14) is horizontal and the bottom is a conical curved surface. The hook (15) is fixed on the side of the hanging plate (14) away from the swing arm (11), and the top height of the hook (15) is higher than that of the hanging plate (14).

2. The automatic picking and hanging device for a single crystal furnace feeder according to claim 1, characterized in that, The hook (15) is provided with an arc-shaped groove (151) that is coaxial with the connecting rod (21) during the process of hanging the feeder (4). The arc-shaped grooves (151) of several hooks (15) of the opening and closing hanging buckle assembly can be combined into a circular through hole, and the diameter of the circular through hole is greater than or equal to the diameter of the connecting rod (21).

3. The automatic hanging and picking device for a single crystal furnace feeder according to claim 1, wherein, The bottom of the hanging arm is also provided with several guiding plates (16) for guiding the material hanging push head (22) to push the hook structure to open. The guiding plates (16) are in the shape of vertical inverted triangular plates.

4. The automatic hanging and picking device for a single crystal furnace feeder according to claim 1, wherein The shape of the swing arm (11) includes profiles with a circular, rectangular, or arc-shaped cross-section; When the cross-sectional shape of the profile is arc-shaped, several swing arms (11) of the opening and closing hanging buckle assembly can be combined into a hollow cylinder.

5. The automatic picking and hanging device for a single crystal furnace feeder according to claim 4, characterized in that, The swing arm (11) is a profile with an arc-shaped cross-section. The material hanging push head (22) and the material picking sliding sleeve (23) are both rotating bodies. The first inclined surface (221) and the second inclined surface (231) are both conical curved surfaces.

6. The automatic hanging and picking device for a single crystal furnace feeder according to claim 5, characterized in that, The material hanging push head (22) also includes a push head sizing section (222) located at the bottom of the first inclined surface (221). The material picking sliding sleeve (23) also includes a sliding sleeve sizing section (232) located at the top of the second inclined surface (231). The diameter of the sliding sleeve sizing section (232) is greater than or equal to the diameter of the push head sizing section (222). The diameter of the sliding sleeve sizing section (232) is smaller than the diameter of the cylinder formed by combining several swing arms (11).

7. The automatic hanging and picking device for a single crystal furnace feeder according to claim 1, wherein The weight connecting structure (12) includes a weight connecting portion (121) threadedly connected to the bottom of the weight (3), and a swing arm hinged portion (122) located at the bottom of the weight connecting portion (121); the hanging arm further includes a hinge plate (13) provided at the top of the swing arm (11) and hinged to the swing arm hinged portion (122).

8. The automatic hanging and picking device for a single crystal furnace feeder according to claim 1, characterized in that, The top of the connecting rod (21) is further provided with a hanging structure (211) detachably connected to the hanging material push head (22), and the bottom of the hanging structure (211) is provided with a hanging material card slot (212) adapted to the shape of the hook.

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