Feeding cylinder device

Abstract

The utility model provides a charging barrel device, relates to the technical field of quartz charging barrels, and is used for solving the technical problem of high manufacturing cost of quartz charging barrels in related technologies. The charging barrel device comprises a charging barrel, an upper cover, a pull rod and a base, the charging barrel is provided with a top opening and a bottom opening, and the upper cover is provided with an annular clamping groove matched with the top opening; the upper cover is clamped at the top opening; the pull rod is arranged in the charging barrel, the upper cover is provided with a central through hole, one end of the pull rod extends out of the charging barrel from the central through hole, and the pull rod is movably connected in the central through hole; the base is provided with a connecting hole, the other end of the pull rod is fixedly connected with the connecting hole, and the pull rod can drive the base to move up and down to be close to the charging barrel and close the bottom opening or away from the charging barrel and open the bottom opening. The annular clamping groove is formed in the upper cover, so that the upper cover is directly connected to the upper edge opening of the charging barrel, and no additional device is needed for fixing the upper cover; and the central through hole of the upper cover can play a role in fixing the pull rod, so that the material consumption is reduced, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of quartz barrels, and in particular to a feeding barrel device. Background Art

[0002] The quartz barrel plays a crucial role in the multiple charging processes of Czochralski single crystals. It is a core component in the single crystal growth process, responsible for carrying and transferring the molten silicon material, ensuring smooth single crystal growth. In the prior art, the top of the quartz barrel is equipped with a PTFE flange, which covers the top opening of the quartz barrel to prevent impurities from entering the barrel and contaminating the silicon material. However, the PTFE flange in the prior art is connected to the top of the barrel via a connector, resulting in a complex and bulky structure and high overall production costs. Utility Model Content

[0003] In view of the above problems, an embodiment of the present application provides a feeding barrel device to solve the problem of high manufacturing cost of quartz barrels in the related art.

[0004] In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions:

[0005] An embodiment of the present application provides a feeding barrel device, which includes: a barrel, an upper cover, a pull rod and a base, the barrel having a top opening and a bottom opening relative to each other in the vertical direction, the upper cover having an annular groove matching the top opening so that the upper cover can be clamped in the top opening; the pull rod is arranged in the barrel, the upper cover has a central through hole, one end of the pull rod along the vertical direction extends out of the barrel from the central through hole, and the pull rod is movably connected to the central through hole; the base has a connecting hole, the other end of the pull rod along the vertical direction is fixedly connected to the connecting hole, the pull rod can drive the base along the vertical direction to approach the barrel and close the bottom opening, or the pull rod can drive the base away from the barrel to open the bottom opening.

[0006] In a feasible embodiment, the upper cover includes an upper cover body, a first cover plate and a second cover plate, the upper cover body has an annular groove matching the top opening, the upper cover body also has a circular through hole, and the annular groove is arranged around the circular through hole; the inner wall surface of the circular through hole extends outward with an annular flange, the first cover plate and the second cover plate are both overlapped on the annular flange to cover the circular through hole; the edge of the first cover plate opposite to the second cover plate is provided with a first semicircular groove, and the edge of the second cover plate opposite to the first cover plate is provided with a second semicircular groove, and the first semicircular groove and the second semicircular groove surround the center through hole.

[0007] In a feasible embodiment, the first cover plate includes a first arcuate edge and a first straight edge, the second cover plate includes a second arcuate edge and a second straight edge, the first arcuate edge and the second arcuate edge both abut against the inner wall surface of the circular through hole, the first straight edge and the second straight edge are opposite to each other along a first horizontal direction and separated by a certain gap; the first straight edge is provided with the first semicircular groove, and the second straight edge is provided with the second semicircular groove.

[0008] In a feasible embodiment, a first grabbing hole is provided on the first cover plate, and a second grabbing hole is provided on the second cover plate.

[0009] In a feasible embodiment, the first gripping hole and the second gripping hole are both circular holes.

[0010] In a feasible embodiment, the width of the annular groove in the first horizontal direction is greater than the wall thickness of the top opening of the barrel.

[0011] In a feasible embodiment, the base includes a bottom plate and a conical connecting piece, the bottom plate is fixedly connected to the horizontal bottom surface of the conical connecting piece, and the cone tip of the conical connecting piece is provided with the connecting hole; the other end of the pull rod is fixedly connected to the connecting hole, and when the pull rod drives the base to approach the barrel along the vertical direction, the conical connecting piece extends into the barrel from the bottom opening, and the bottom plate abuts against the edge of the bottom opening; when the pull rod drives the base to move away from the barrel along the vertical direction, the conical connecting piece extends out of the barrel from the bottom opening, and the bottom plate moves away from the bottom opening.

[0012] In a feasible embodiment, the feeding barrel device further includes a fixing ring, which is sleeved on the outer peripheral wall of the barrel and is also used to connect with an external support frame.

[0013] In a feasible embodiment, a connecting through hole is provided on the fixing ring, and a central axis of the connecting through hole is parallel to the second horizontal direction; wherein the first horizontal direction is perpendicular to the second horizontal direction.

[0014] In a feasible embodiment, the fixing ring includes a first arc plate and a second arc plate, and the first arc plate and the second arc plate are both arranged around the outer wall of the barrel, and the first arc plate and the second arc plate are relatively spaced along the second horizontal direction; the two ends of the first arc plate are respectively provided with a first connecting through hole and a second connecting through hole, and the central axes of the first connecting through hole and the second connecting through hole are both parallel to the second horizontal direction; the two ends of the second arc plate are respectively provided with a third connecting through hole and a fourth connecting through hole, and the central axes of the third connecting through hole and the fourth connecting through hole are both parallel to the second horizontal direction; wherein, the first horizontal direction is perpendicular to the second horizontal direction.

[0015] The embodiment of the present application provides a feeding barrel device, which includes: a barrel, an upper cover, a pull rod and a base. The barrel has a top opening and a bottom opening relative to each other in the vertical direction. The upper cover has an annular groove matching the top opening so that the upper cover is clamped in the top opening. The pull rod is arranged in the barrel, the upper cover has a central through hole, one end of the pull rod in the vertical direction extends out of the barrel from the central through hole, and the pull rod is movably connected in the central through hole. The base has a connecting hole, and the other end of the pull rod in the vertical direction is fixedly connected to the connecting hole. The pull rod can drive the base to approach the barrel in the vertical direction and close the bottom opening, or the pull rod can drive the base away from the barrel to open the bottom opening. By arranging the annular groove in the upper cover, the upper cover is directly fixed to the upper edge of the quartz barrel, and no external device is required to fix it. The central through hole in the upper cover can play the role of fixing the pull rod, which reduces material consumption and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of the feeding barrel device provided in an embodiment of the present application;

[0018] Figure 2 for Figure 1 The local enlarged area A in FIG;

[0019] Figure 3 This is a schematic structural diagram of the upper cover and the barrel of the feeding barrel device provided in an embodiment of the present application being separated;

[0020] Figure 4 A schematic structural diagram of the upper cover of the feeding cylinder device provided in an embodiment of the present application;

[0021] Figure 5 A schematic diagram of the connection between the upper cover body and the cover plate of the feeding barrel device provided in an embodiment of the present application;

[0022] Figure 6 This is a schematic structural diagram of the base and barrel of the feeding barrel device provided in an embodiment of the present application being separated;

[0023] Figure 7 Schematic diagram of the structure of the base of the feeding barrel device provided in the embodiment of the present application Figure 1 ;

[0024] Figure 8 Schematic diagram of the structure of the base of the feeding barrel device provided in the embodiment of the present application Figure 2 ;

[0025] Figure 9 A schematic structural diagram of the bottom opening of the feeding barrel device provided in an embodiment of the present application;

[0026] Figure 10 A schematic diagram of the connection between the fixing ring and the barrel of the feeding barrel device provided in an embodiment of the present application;

[0027] Figure 11 Schematic diagram of the structure of the fixing ring of the feeding barrel device provided in the embodiment of the present application Figure 1 ;

[0028] Figure 12 Schematic diagram of the structure of the fixing ring of the feeding barrel device provided in the embodiment of the present application Figure 2 .

[0029] Reference numerals:

[0030] 100: barrel;

[0031] 200: upper cover;

[0032] 201: upper cover body; 202: cover plate;

[0033] 2011: annular slot; 2012: circular through hole; 2013: annular flange; 2021: first cover plate; 2022: second cover plate; 2023: first gripping hole; 2024: second gripping hole;

[0034] 20211: first arcuate edge; 20212: first straight edge; 20213: first semicircular groove; 20222: second straight edge; 20223: second semicircular groove;

[0035] 300: base;

[0036] 301: bottom plate; 302: conical connecting piece; 303: connecting hole;

[0037] 400: pull rod;

[0038] 500: fixing ring;

[0039] 501: first curved plate; 502: second curved plate;

[0040] 5011: first connecting through hole; 5012: second connecting through hole; 5021: third connecting through hole; 5022: fourth connecting through hole. DETAILED DESCRIPTION

[0041] In response to the above technical problems, an embodiment of the present application provides a feeding barrel device, which provides an annular groove on the upper cover so that the upper cover can be directly fixed on the upper edge of the quartz barrel without the need for an external device to fix it; and the central through hole of the upper cover can serve as a fixing pull rod, reducing material consumption and lowering costs.

[0042] In order to make the above-mentioned purposes, features and advantages of the embodiments of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0043] The embodiment of the present application provides a feeding cylinder device, referring to Figures 1 to 3 , Figure 1 This is a schematic diagram of the three-dimensional structure of the feeding barrel device provided in the embodiment of the present application. Figure 2 for Figure 1 The local magnified area A in Figure 3 Schematic diagram of the structure of the upper cover and the barrel of the feeding barrel device provided in the embodiment of the present application. The feeding barrel device includes: a barrel 100 and an upper cover 200, the barrel 100 has a top opening and a bottom opening relative to each other in the vertical direction (the vertical direction referred to here is Figure 1 and Figure 2 In the Z direction shown in the figure, where the structure diagram is tilted at a certain angle to clearly show the various components, the upper cover 200 has an annular groove 2011 that matches the top opening, and the edge of the top opening is embedded in the annular groove 2011 so that the upper cover 200 is clamped on the top opening to close the top opening.

[0044] The feeding barrel device further includes: a pull rod 400, which is arranged in the barrel 100, and the upper cover 200 has a central through hole, and the pull rod 400 is arranged in the vertical direction ( Figure 1 and Figure 2One end (in the Z direction shown in FIG) extends from the central through hole of the barrel 100 and is located outside the barrel 100, and the pull rod 400 is movably connected to the central through hole; that is, the pull rod 400 can move up and down.

[0045] The feeding barrel device further includes: a base 300, which is arranged at the bottom of the barrel 100, and has a connecting hole, and a pull rod 400 extending in the vertical direction ( Figure 1 and Figure 2 The other end of the pull rod 400 (in the Z direction shown in the figure) is fixedly connected to the connecting hole, and the pull rod 400 can drive the base 300 to approach the barrel 100 in the vertical direction; that is, the base 300 matches the bottom opening of the barrel 100, and when the pull rod 400 moves upward in the barrel 100, the other end of the pull rod 400 drives the base 300 to move upward as well, so that the base 300 is connected to the bottom opening, thereby closing the bottom opening.

[0046] The pull rod 400 can also drive the base 300 away from the barrel 100 in the vertical direction. When the pull rod 400 moves downward in the barrel 100, the other end of the pull rod 400 drives the base 300 to move downward to open the bottom opening.

[0047] The feeding barrel device of the embodiment of the present application comprises: a barrel 100, an upper cover 200, a pull rod 400 and a base 300, and the barrel 100 is arranged in a vertical direction ( Figure 1 and Figure 2 ) has a relative top opening and bottom opening, the upper cover 200 has an annular groove 2011 matching the top opening so that the upper cover 200 is clamped in the top opening; the pull rod 400 is arranged in the barrel 100, the upper cover 200 has a central through hole, one end of the pull rod 400 in the vertical direction extends out of the barrel 100 from the central through hole, and the pull rod 400 is movably connected in the central through hole; the base 300 has a connecting hole, and the other end of the pull rod 400 in the vertical direction is fixedly connected to the connecting hole, the pull rod 400 can drive the base 300 to approach the barrel 100 in the vertical direction and close the bottom opening, or the pull rod 400 can drive the base 300 away from the barrel 100 to open the bottom opening. By setting an annular groove 2011 on the upper cover 200, the upper cover 200 can be directly fixed on the upper edge of the quartz barrel without the need for an external device to fix it; and the central through hole of the upper cover 200 can serve as a fixing rod 400, reducing material consumption and lowering costs.

[0048] refer to Figure 4 and Figure 5 , Figure 4 This is a schematic structural diagram of the upper cover of the feeding cylinder device provided in an embodiment of the present application. Figure 5Schematic diagram of the connection between the upper cover body and the cover plate of the feeding barrel device provided in an embodiment of the present application. In this embodiment of the present application, the upper cover 200 includes an upper cover body 201 and a cover plate 202. The upper cover body 201 has an annular retaining groove 2011 on the side adjacent to the barrel 100 that matches the top opening. The upper cover body 201 also has a circular through hole 2012. The annular retaining groove 2011 is disposed around the circular through hole 2012 and surrounds the circular through hole 2012. When the upper cover body 201 is positioned against the top opening, the circular through hole 2012 communicates with the top opening, and the diameter of the circular through hole 2012 is smaller than the diameter of the barrel 100.

[0049] The cover plate 202 includes: a first cover plate 2021 and a second cover plate 2022. An annular flange 2013 extends outward from the inner wall of the circular through hole 2012. The first cover plate 2021 and the second cover plate 2022 are both overlapped on the annular flange 2013 to cover the circular through hole 2012 and block external impurities.

[0050] The first cover plate 2021 and the second cover plate 2022 are arranged along the first horizontal direction ( Figure 4 The first cover plate 2021 and the second cover plate 2022 are opposite to each other in the X direction, and a first semicircular groove 20213 is provided on the edge opposite to the first cover plate 2021, and a second semicircular groove 20223 is provided on the edge opposite to the first cover plate 2022. The first semicircular groove 20213 and the second semicircular groove 20223 surround a central through hole.

[0051] Continue to refer Figure 5 The width of the annular flange 2013 in the first horizontal direction (X direction) is 10-15 mm, that is, the length extending outward from the inner wall of the circular through hole 2012; in the vertical direction (Z direction), the height of the other side of the upper cover body 201 away from the barrel 100 from the annular flange 2013 is 15-20 mm.

[0052] The thickness of the first cover plate 2021 and the second cover plate 2022 may be 15-20 mm.

[0053] In the embodiment of the present application, the first cover plate 2021 includes a first arcuate edge 20211 and a first straight edge 20212, and the second cover plate 2022 includes a second arcuate edge and a second straight edge 20222. The first arcuate edge 20211 and the second arcuate edge are both in contact with the inner wall surface of the circular through hole 2012, and the first straight edge 20212 and the second straight edge 20222 are in contact with the inner wall surface of the circular through hole 2012. Figure 4 The pull rods 400 are opposite to each other and spaced apart by a certain gap (in the X direction shown in FIG). This ensures that the pull rods 400 are aligned.

[0054] The first straight edge 20212 is provided with a first semicircular groove 20213, and the second straight edge 20222 is provided with a second semicircular groove 20223. The first semicircular groove 20213 and the second semicircular groove 20223 surround a central through hole, and the diameter of the central through hole can be 20-30 mm.

[0055] Continue to refer Figure 4 In the embodiment of the present application, a first grabbing hole 2023 is provided on the first cover plate 2021, and a second grabbing hole 2024 is provided on the second cover plate 2022; technicians can extend their grippers into the first grabbing hole 2023 and the second grabbing hole 2024 to remove the first cover plate 2021 and the second cover plate 2022 before and after adding materials.

[0056] In the embodiment of the present application, the first grasping hole 2023 and the second grasping hole 2024 are both circular holes.

[0057] The first grasping hole 2023 and the second grasping hole 2024 can also be rectangular holes to adapt to different grasping clamps.

[0058] The diameters of the first gripping hole 2023 and the second gripping hole 2024 may be 35-45 mm.

[0059] In the embodiment of the present application, the annular slot 2011 is in the first horizontal direction ( Figure 4 The groove width in the X direction shown in the figure is greater than the wall thickness of the top opening of the barrel 100, so that the annular groove 2011 can be clamped on the barrel 100. The groove width of the annular groove 2011 is within the range of 38-25mm, and the annular groove 2011 is perpendicular to the vertical direction ( Figure 2 The height (in the Z direction shown in FIG) is 15-20 mm.

[0060] refer to Figures 6 to 9 , Figure 6 This is a schematic diagram of the structure of the feeding barrel device provided in an embodiment of the present application, wherein the base and the barrel are separated. Figure 7 Schematic diagram of the structure of the base of the feeding barrel device provided in the embodiment of the present application Figure 1 , Figure 8 Schematic diagram of the structure of the base of the feeding barrel device provided in the embodiment of the present application Figure 2 , Figure 9 Schematic diagram of the bottom opening structure of the feeding barrel device provided in the embodiment of the present application. In the embodiment of the present application, the base 300 includes a bottom plate 301 and a conical connector 302. The bottom plate 301 is fixedly connected to the horizontal bottom surface of the conical connector 302. The conical tip of the conical connector 302 is provided with a connecting hole 303. The pull rod 400 is arranged in the vertical direction ( Figure 6The other end of the pull rod 400 (in the Z direction shown in the figure) is fixedly connected to the connecting hole 303. When the pull rod 400 drives the base 300 to approach the barrel 100 in the vertical direction, the conical connecting piece 302 extends into the barrel 100 from the bottom opening, and the bottom plate 301 abuts against the edge of the bottom opening, thereby closing the bottom opening.

[0061] When the pull rod 400 drives the base 300 along the vertical direction ( Figure 6 When the conical connecting member 302 is moved away from the barrel 100 in the Z direction as shown in FIG, the conical connecting member 302 extends out of the barrel 100 from the bottom opening, and the bottom plate 301 is moved away from the bottom opening, thereby opening the bottom opening.

[0062] refer to Figure 1 and Figure 10 , Figure 10 Schematic diagram of the connection between the fixing ring and the barrel of the feeding barrel device provided in an embodiment of the present application; in the embodiment of the present application, the feeding barrel device also includes a fixing ring 500, which is sleeved on the outer peripheral wall of the barrel 100, and the fixing ring 500 is also used to connect with the external support frame, so that the external support frame can fix the barrel 100 to prevent the barrel 100 from shaking during the feeding process.

[0063] refer to Figure 11 and Figure 12 , Figure 11 Schematic diagram of the structure of the fixing ring of the feeding barrel device provided in the embodiment of the present application Figure 1 , Figure 12 Schematic diagram of the structure of the fixing ring of the feeding barrel device provided in the embodiment of the present application Figure 2 In the embodiment of the present application, a connecting through hole is provided on the fixing ring 500, and the central axis of the connecting through hole is connected to the second horizontal direction ( Figure 11 The first horizontal direction is parallel to the second horizontal direction (in the Y direction shown in FIG, the first horizontal direction is perpendicular to the second horizontal direction), and the fixing ring 500 is connected to the external support frame through the connecting through hole.

[0064] The fixing ring 500 includes an inner ring and an outer ring. The diameter of the inner ring matches the outer wall of the barrel 100 so that the fixing ring 500 is sleeved on the outer wall of the barrel 100. The connecting through hole is set in the area between the inner ring and the outer ring.

[0065] In the embodiment of the present application, the fixing ring 500 includes a first curved plate 501 and a second curved plate 502, and the first curved plate 501 and the second curved plate 502 are both arranged around the outer peripheral wall of the barrel 100, and the first curved plate 501 and the second curved plate 502 are arranged along the second horizontal direction ( Figure 11The first curved plate 501 is spaced relatively apart in the Y direction (as shown in FIG). A first connecting through-hole 5011 and a second connecting through-hole 5012 are respectively provided at both ends of the first curved plate 501, with the central axes of the first connecting through-hole 5011 and the second connecting through-hole 5012 being parallel to the second horizontal direction. A third connecting through-hole 5021 and a fourth connecting through-hole 5022 are respectively provided at both ends of the second curved plate 502, with the central axes of the third connecting through-hole 5021 and the fourth connecting through-hole 5022 being parallel to the second horizontal direction. Providing two separate curved plates facilitates the sleeve placement of the fixing ring 500 on the barrel 100.

[0066] In summary, the embodiment of the present application provides a feeding barrel device, which includes: a barrel 100, an upper cover 200, a pull rod 400 and a base 300, and the barrel 100 is arranged in a vertical direction ( Figure 1 and Figure 2 ) has a relative top opening and bottom opening, the upper cover 200 has an annular groove 2011 matching the top opening so that the upper cover 200 is clamped in the top opening; the pull rod 400 is arranged in the barrel 100, the upper cover 200 has a central through hole, one end of the pull rod 400 in the vertical direction extends out of the barrel 100 from the central through hole, and the pull rod 400 is movably connected in the central through hole; the base 300 has a connecting hole, and the other end of the pull rod 400 in the vertical direction is fixedly connected to the connecting hole, the pull rod 400 can drive the base 300 to approach the barrel 100 in the vertical direction and close the bottom opening, or the pull rod 400 can drive the base 300 away from the barrel 100 to open the bottom opening. By setting an annular groove 2011 on the upper cover 200, the upper cover 200 can be directly fixed on the upper edge of the quartz barrel without the need for an external device to fix it; and the central through hole of the upper cover 200 can serve as a fixing rod 400, reducing material consumption and lowering costs.

[0067] Furthermore, the support structure of the embodiment of the present application can achieve forward and reverse rotation without the need for counterweights or suction cups, and the base does not tilt. This reduces weight and eliminates redundant structures, making the overall desktop display device more convenient to move. It also saves on suction cups, counterweights, and production line assembly costs.

[0068] In this specification, each embodiment or example is described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referenced to each other.

[0069] It should be noted that references in this specification to "one embodiment," "an embodiment," "an exemplary embodiment," "some embodiments," and the like indicate that the described embodiment may include a particular feature, structure, or characteristic, but not necessarily every embodiment includes that particular feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not.

[0070] Generally speaking, terms should be understood, at least in part, based on the context in which they are used. For example, as used herein, the term "one or more" can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense, depending at least in part on the context. Similarly, terms such as "a," "an," or "the" can also be understood to convey either singular or plural usage, depending at least in part on the context.

[0071] It should be readily understood that “on,” “above,” and “over” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on something,” but also includes “on something” with intervening features or layers therebetween, and “above” or “over” includes not only the meaning of “above” or “over,” but also includes “above” or “over” with no intervening features or layers therebetween (i.e., directly on something).

[0072] Additionally, spatially relative terms, such as "below," "beneath," "beneath," "above," and the like, may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be in other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A feeding cylinder device, characterized in that: include: A barrel, an upper cover, a pull rod and a base, wherein the barrel has a top opening and a bottom opening opposite to each other in the vertical direction, and the upper cover has an annular groove matching the top opening so that the upper cover is clamped in the top opening; The pull rod is arranged in the barrel, the upper cover has a central through hole, one end of the pull rod along the vertical direction extends out of the barrel from the central through hole, and the pull rod is movably connected to the central through hole; The base has a connecting hole, and the other end of the pull rod along the vertical direction is fixedly connected to the connecting hole. The pull rod can drive the base along the vertical direction to approach the barrel and close the bottom opening, or the pull rod can drive the base away from the barrel to open the bottom opening.

2. The feeding cylinder device according to claim 1, characterized in that: The upper cover comprises an upper cover body, a first cover plate and a second cover plate, wherein the upper cover body has an annular groove matching the top opening, and the upper cover body also has a circular through hole, and the annular groove is arranged around the circular through hole; An annular flange extends outward from the inner wall of the circular through hole, and the first cover plate and the second cover plate are both overlapped on the annular flange to cover the circular through hole; A first semicircular groove is provided on the edge of the first cover plate opposite to the second cover plate, and a second semicircular groove is provided on the edge of the second cover plate opposite to the first cover plate. The first semicircular groove and the second semicircular groove surround the central through hole.

3. The feeding cylinder device according to claim 2, characterized in that: The first cover plate includes a first arcuate edge and a first straight edge, and the second cover plate includes a second arcuate edge and a second straight edge, the first arcuate edge and the second arcuate edge both abut against the inner wall surface of the circular through hole, and the first straight edge and the second straight edge are opposite to each other along a first horizontal direction and are separated by a certain gap; The first straight edge is provided with the first semicircular groove, and the second straight edge is provided with the second semicircular groove.

4. The feeding cylinder device according to claim 2, characterized in that: The first cover plate is provided with a first gripping hole, and the second cover plate is provided with a second gripping hole.

5. The feeding cylinder device according to claim 4, characterized in that: The first gripping hole and the second gripping hole are both circular holes.

6. The feeding cylinder device according to claim 1, characterized in that: The width of the annular groove in the first horizontal direction is greater than the wall thickness of the top opening of the barrel.

7. The feeding cylinder device according to claim 1, characterized in that: The base includes a bottom plate and a conical connector, wherein the bottom plate is fixedly connected to the horizontal bottom surface of the conical connector, and the conical tip of the conical connector is provided with the connecting hole; The other end of the pull rod is fixedly connected to the connecting hole. When the pull rod drives the base to approach the barrel along the vertical direction, the conical connecting piece extends into the barrel from the bottom opening, and the bottom plate abuts against the edge of the bottom opening. When the pull rod drives the base to move away from the barrel along the vertical direction, the conical connecting piece extends out of the barrel from the bottom opening, and the bottom plate moves away from the bottom opening.

8. The feeding cylinder device according to claim 6, characterized in that: The feeding barrel device further comprises a fixing ring, which is sleeved on the outer peripheral wall of the barrel and is also used to connect with an external support frame.

9. The feeding cylinder device according to claim 8, characterized in that: The fixing ring is provided with a connecting through hole, and the central axis of the connecting through hole is parallel to the second horizontal direction; The first horizontal direction is perpendicular to the second horizontal direction.

10. The feeding cylinder device according to claim 8, characterized in that: The fixing ring includes a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are both arranged around the outer peripheral wall of the barrel, and the first arc-shaped plate and the second arc-shaped plate are relatively spaced along the second horizontal direction; A first connecting through hole and a second connecting through hole are respectively provided at two ends of the first arc-shaped plate, and central axes of the first connecting through hole and the second connecting through hole are both parallel to the second horizontal direction; A third connecting through hole and a fourth connecting through hole are respectively provided at two ends of the second arc-shaped plate, and central axes of the third connecting through hole and the fourth connecting through hole are parallel to the second horizontal direction; The first horizontal direction is perpendicular to the second horizontal direction.

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