A general-purpose rotating platform for drying celadon blanks

Abstract

This utility model relates to a universal rotating platform for drying celadon blanks, comprising a circular lower tray and a cylindrical drive shaft. The upper end of the drive shaft is connected to the lower tray via a bearing and has a cylindrical central shaft formed therein. A circular upper tray is located above the lower tray, with a circular central positioning hole formed in its center. Several circular outer positioning holes are formed around the outer ring of the upper tray. An outer carrier plate is inserted into the outer positioning hole, and an inner carrier plate is inserted into the central positioning hole. The upper end of the central shaft is fixedly inserted into the inner carrier plate. A hinged support shaft is formed on the lower end face of the outer carrier plate, and the hinged support shaft is connected to the lower tray via a bearing. An external gear is fixedly fitted onto the hinged support shaft, and a central gear is fitted onto the central shaft. The central gear meshes with the external gear. This rotating platform has two rotation states that can be switched, enabling the drying and placement of celadon blanks of different sizes, and allowing the blanks to rotate, thus achieving uniform heating.

Description

Technical fields:

[0001] This utility model relates to the technical field of porcelain drying racks, and more specifically to a universal rotating platform for drying celadon blanks. Background technology:

[0002] After the raw celadon wares are completed, they need to be quickly air-dried in a ventilated area or placed in a low-temperature drying device to remove moisture from the body, thereby improving its strength and preventing deformation and cracking during subsequent processing. Currently, industrially produced celadon is mostly dried using drying equipment, requiring large-scale drying equipment. However, existing drying equipment is mostly an oven with a rotating platform. This platform allows the placed celadon wares to rotate at a uniform speed for even heating and moisture removal. However, existing rotating platforms are generally a single unit, designed to fit the volume of the celadon wares. Larger wares have larger platforms, and smaller wares have smaller platforms. Changing the rotating platform within the oven is cumbersome. Therefore, generally, one large rotating platform is used within the oven, and smaller wares can revolve around its center. However, this doesn't provide as even heating as rotation. Therefore, a universal rotating platform needs to be designed to meet the needs of evenly heating and drying celadon wares of different sizes. Utility Model Content:

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a universal rotating platform for drying celadon blanks. This rotating platform has two rotation states that can be switched to achieve the drying and placement of celadon blanks of different sizes.

[0004] A general-purpose rotating platform for drying celadon blanks includes a circular lower tray and a cylindrical drive shaft. The upper end of the drive shaft is connected to the lower tray via a bearing and has a cylindrical central shaft formed therein. A circular upper tray is provided above the lower tray. A circular central positioning hole is formed in the center of the upper tray. Several circular outer positioning holes are formed on the outer ring of the upper tray. An outer carrier plate is inserted into the outer positioning hole, and an inner carrier plate is inserted into the central positioning hole. The upper end of the central shaft is inserted and fixed in the inner carrier plate. A hinged support shaft is formed on the lower end face of the outer carrier plate. The hinged support shaft is connected to the lower tray via a bearing. An external gear is inserted and fixed on the hinged support shaft, and a central gear is inserted on the central shaft. The central gear and the external gear mesh together.

[0005] The outer ring of the upper tray is formed with several stepped holes. A vertical limiting bolt is inserted into the upper tray, and the lower end of the limiting bolt is screwed onto the lower tray and flush with the lower end face of the lower tray. The limiting bolt includes a main bolt and several secondary bolts. A limiting sleeve is inserted and fixed on the main bolt, and the limiting sleeve abuts against the lower end face of the upper tray. A spring is inserted on the secondary bolt, and the two ends of the spring press against the upper tray and the lower tray respectively.

[0006] Limiting slots are formed on the inner walls of the two sides opposite to the central positioning hole, and limiting protrusions are formed on the outer walls of the two sides of the inner tray. The limiting protrusions are respectively inserted into the limiting slots of the upper tray, and the lower end of the drive shaft is formed with an "I"-shaped connecting slot.

[0007] Preferably, the central axis of the lower tray, the central axis of the drive shaft, the central axis of the central shaft, the central axis of the inner tray, and the central axis of the upper tray are on the same straight line;

[0008] The outer carrier plate, outer gear, and limiting bolts are all evenly distributed in a ring around the central axis of the lower tray. The limiting bolts are internal hex bolts, and the upper end face of the limiting bolts is lower than the upper end face of the upper tray.

[0009] Preferably, the upper surface of the inner tray is flush with the upper surface of the outer tray, and the upper surface of the outer tray is lower than the upper surface of the upper pallet.

[0010] The distance between the upper and lower trays is greater than the distance from the upper surface of the inner tray to the upper surface of the upper tray.

[0011] Preferably, the distance from the lower end face of the upper limit protrusion of the inner tray to the upper end face of the upper tray is less than the distance between the upper tray and the lower tray;

[0012] A countersunk hole is formed on the lower tray at the limit bolt, and the spring is inserted into the countersunk hole of the lower tray.

[0013] Preferably, the diameter of the countersunk hole on the lower tray is larger than the diameter of the limiting sleeve.

[0014] Preferably, the diameter of the lower tray is equal to the diameter of the upper tray, and the diameter of the central gear is greater than the diameter of the external gear.

[0015] The beneficial effects of this utility model are as follows:

[0016] This rotating platform has two rotation states that can be switched to allow for the drying and placement of celadon blanks of different sizes, and can achieve the rotation of the celadon blanks, thereby achieving uniform heating. Attached image description:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a front view structural diagram of the present invention;

[0019] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0020] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure at point BB;

[0021] In the diagram: 1. Lower tray; 11. Countersunk hole; 12. Bypass channel; 2. Drive shaft; 21. Central shaft; 3. Upper tray; 31. Central positioning hole; 32. External positioning hole; 33. Stepped hole; 34. Limiting slot; 4. Inner carrier plate; 41. Limiting protrusion; 5. Outer carrier plate; 6. Limiting bolt; 7. Spring; 8. Central gear; 9. External gear; 10. Limiting sleeve. Detailed implementation method:

[0022] Example: See Figures 1 to 4 As shown, a general-purpose rotating platform for drying celadon blanks includes a circular lower tray 1 and a cylindrical drive shaft 2. The upper end of the drive shaft 2 is connected to the lower tray 1 via a bearing and has a cylindrical central shaft 21 formed therein. A circular upper tray 3 is provided above the lower tray 1. A circular central positioning hole 31 is formed in the center of the upper tray 3. Several circular outer positioning holes 32 are formed on the outer ring of the upper tray 3. An outer carrier plate 5 is inserted into the outer positioning hole 32. An inner carrier plate 4 is inserted into the central positioning hole 31. The upper end of the central shaft 21 is inserted and fixed in the inner carrier plate 4. A hinge support shaft 51 is formed on the lower end face of the outer carrier plate 5. The hinge support shaft 51 is connected to the lower tray 1 via a bearing. An external gear 9 is inserted and fixed on the hinge support shaft 51. A central gear 8 is inserted and fitted on the central shaft 21. The central gear 8 and the external gear 9 mesh together.

[0023] The outer ring of the upper tray 3 is formed with several stepped holes 33. A vertical limiting bolt 6 is inserted into the upper tray 3. The lower end of the limiting bolt 6 is screwed onto the lower tray 1 and is flush with the lower end surface of the lower tray 1. The limiting bolt 6 includes a main bolt and several secondary bolts. A limiting sleeve 10 is inserted and fixed on the main bolt. The limiting sleeve 10 abuts against the lower end surface of the upper tray 3. A spring 7 is inserted on the secondary bolts. The two ends of the spring 7 press against the upper tray 3 and the lower tray 1 respectively.

[0024] Limiting slots 34 are formed on the inner walls of the two sides opposite to the central positioning hole 31, and limiting protrusions 41 are formed on the outer walls of the two sides of the inner tray 4. The limiting protrusions 41 are respectively inserted into the limiting slots 34 of the upper tray 3, and the lower end of the drive shaft 2 is formed with an "I"-shaped connecting slot 22.

[0025] The central axis of the lower tray 1, the central axis of the drive shaft 2, the central axis of the central shaft 21, the central axis of the inner tray 4, and the central axis of the upper tray 3 are all on the same straight line; thus, jamming will not occur during rotation.

[0026] The outer carrier plate 5, the outer gear 9, and the limiting bolt 6 are all evenly distributed in a ring around the central axis of the lower tray 1. The limiting bolt 6 is an internal hex bolt, and the upper end face of the limiting bolt 6 is lower than the upper end face of the upper tray 3. The internal hex bolt is easy to adjust and is hidden inside the upper tray 3, so it will not interfere with the celadon blank placed on the upper tray 3.

[0027] The upper surface of the inner tray 4 is flush with the upper surface of the outer tray 5, and the upper surface of the outer tray 5 is lower than the upper surface of the upper tray 3.

[0028] The distance between the upper tray 3 and the lower tray 1 is greater than the distance from the upper end face of the inner tray 4 to the upper end face of the upper tray 3. By rotating the limiting bolt 6, the inner tray 4 and the outer tray 5 can be extended out of the upper tray 3.

[0029] The distance from the lower end face of the upper limit protrusion 41 of the inner tray 4 to the upper end face of the upper tray 3 is less than the distance between the upper tray 3 and the lower tray 1. This dimension is limited, and as mentioned above, the limit protrusion 41 can be moved out of the upper tray 3.

[0030] A countersunk hole 11 is formed on the lower tray 1 at the location of the limiting bolt 6, and the spring 7 is inserted into the countersunk hole 11 of the lower tray 1.

[0031] The diameter of the countersunk hole 11 on the lower tray 1 is larger than the diameter of the limiting sleeve 10, and the limiting sleeve 10 can partially enter the countersunk hole 11, which can increase the adjustment margin.

[0032] The diameter of the lower tray 1 is equal to the diameter of the upper tray 3, the diameter of the central gear 8 is greater than the diameter of the external gear 9, and the external gear 9 does not extend beyond the outer wall of the upper tray 3.

[0033] Working principle: This structure is a general-purpose rotating platform for drying celadon blanks. The structure of the rotating platform is as follows: Figure 1 As shown, its rotating platform is set on a bracket inside the oven, and a motor is provided below the bracket to drive the drive shaft 2 to rotate. At the same time, the bracket is provided with a limiting hole opposite to the limiting bolt 6.

[0034] like Figure 1 As shown, the limiting bolt 6 is hidden inside the lower tray 1 and is not connected to the limiting hole on the bracket. At the same time, based on the limiting protrusion 41, the entire rotating platform can rotate, which is suitable for drying and placing large celadon blanks.

[0035] When the limiting bolt 6 is tightened, the lower end of the limiting bolt 6 extends out of the lower tray 1 and is inserted into the limiting insertion hole of the lower tray 1. In this way, the bracket can restrict the rotation of the lower tray 1 and the upper tray 3. At the same time, the downward movement of the limiting bolt 6 will drive the upper tray 3 to move downward. Meanwhile, the limiting protrusion 41 extends out of the upper tray 3. The rotation of the drive shaft 1 drives the inner carrier plate 4 to rotate. The inner carrier plate 4 realizes the rotation of the outer carrier plate 5 based on gear transmission. Then, small celadon blanks are placed on the inner carrier plate 4 and the outer carrier plate 5. As the celadon blanks rotate, their outer walls can come into contact with the inclined hot airflow, achieving uniform heating. Compared with revolution, the heating effect is better.

[0036] The embodiments described above are illustrative of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be as set forth in the claims.

Claims

1. A general-purpose rotating platform for drying celadon blanks, comprising a circular lower tray (1) and a cylindrical drive shaft (2), wherein the upper end of the drive shaft (2) is connected to the lower tray (1) via a bearing and has a cylindrical central shaft (21) formed thereon, characterized in that: A circular upper tray (3) is arranged above a lower tray (1), a circular central positioning hole (31) is formed at the center of the upper tray (3), a plurality of circular outer positioning holes (32) are formed on the outer ring of the upper tray (3), outer carrying trays (5) are inserted into the outer positioning holes (32), an inner carrying tray (4) is inserted into the central positioning hole (31), the upper end of a central shaft (21) is inserted and fixed in the inner carrying tray (4), a hinged support shaft (51) is formed on the lower end face of the outer carrying tray (5), and the hinged support shaft (51) is connected to the lower tray (1) through a bearing; an outer gear (9) is inserted and fixedly sleeved on the hinged support shaft (51), a central gear (8) is inserted and sleeved on the central shaft (21), and the central gear (8) is meshed with the outer gear (9); A plurality of stepped holes (33) are formed on the outer ring of the upper tray (3), vertical limit bolts (6) are inserted into the upper tray (3), the lower ends of the limit bolts (6) are screwed onto the lower tray (1) and are flush with the lower end face of the lower tray (1); the limit bolts (6) comprise one main bolt and a plurality of secondary bolts, a limit sleeve (10) is inserted and fixed on the main bolt, the limit sleeve (10) abuts against the lower end face of the upper tray (3), a spring (7) is inserted and sleeved on the secondary bolt, and two ends of the spring (7) respectively press against the upper tray (3) and the lower tray (1) Limit bayonets (34) are formed on inner walls of two opposite sides of the central positioning hole (31), limit protrusions (41) are formed on outer walls of two sides of the inner carrying tray (4), the limit protrusions (41) are respectively inserted into the limit bayonets (34) of the upper tray (3), and an in-line connecting slot (22) is formed at the lower end of a transmission shaft (2).

2. The universal rotating platform for drying celadon blanks according to claim 1, characterized in that: The central axis of the lower tray (1), the central axis of the transmission shaft (2), the central axis of the central shaft (21), the central axis of the inner carrying tray (4) and the central axis of the upper tray (3) are on the same straight line; The outer carrying trays (5), the outer gears (9) and the limit bolts (6) are all annularly and uniformly distributed around the central axis of the lower tray (1), the limit bolts (6) are hexagon socket bolts, and the upper end faces of the limit bolts (6) are lower than the upper end face of the upper tray (3).

3. The universal rotating platform for drying celadon blanks according to claim 2, characterized in that: The upper end face of the inner carrying tray (4) is flush with the upper end face of the outer carrying tray (5), and the upper end face of the outer carrying tray (5) is lower than the upper end face of the upper tray (3); The spacing between the upper tray (3) and the lower tray (1) is greater than the distance from the upper end face of the inner carrying tray (4) to the upper end face of the upper tray (3).

4. The universal rotating platform for drying celadon blanks according to claim 3, characterized in that: The distance from the lower end face of the limit protrusion (41) on the inner carrying tray (4) to the upper end face of the upper tray (3) is smaller than the spacing between the upper tray (3) and the lower tray (1); A counterbore (11) is formed on the lower tray (1) at the position of the limit bolt (6), and the spring (7) is inserted into the counterbore (11) of the lower tray (1).

5. A universal rotating platform for drying celadon blanks according to claim 4, characterized in that: The aperture of the counterbore (11) on the lower tray (1) is larger than the diameter of the limit sleeve (10).

6. A universal rotating platform for drying celadon blanks according to claim 2, characterized in that: The diameter of the lower tray (1) is equal to the diameter of the upper tray (3), and the diameter of the central gear (8) is larger than the diameter of the outer gear (9).

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