Ancient coin coating device

Abstract

The utility model provides an ancient coin coating device which comprises a coating box, a macromolecule adsorption cavity is formed in the coating box, a hanging column is fixed in the macromolecule adsorption cavity, a plurality of supporting ring seats are installed on the hanging column at intervals, supporting shafts are movably arranged on the two sides of each supporting ring seat, side seats are installed on the supporting shafts, and the side seats are connected with the macromolecule adsorption cavity. A first supporting plate is fixed to one side of the side base, four sliding columns are arranged on the first supporting plate in a square penetrating mode, a second supporting plate is fixed to the tops of the four sliding columns, containing cavities are formed in the first supporting plate and the second supporting plate, springs are arranged on the sliding columns in a sleeving mode, and the springs are arranged on the sliding columns in a sleeving mode. One end of the spring is fixed on the first support plate, and the other end of the spring is fixed on the stop dog. The problem that the existing coating machine needs to manually turn over ancient coins one by one after one surface of the ancient coin is coated, which is very troublesome, time-consuming and labor-consuming is solved.

Description

Technical Field

[0001] The utility model relates to the field of ancient coin coating, in particular to an ancient coin coating device. Background Art

[0002] Ancient coins are a hot item in the collection world. Ancient coins are very old and made of different materials, which may cause different degrees of damage, rust, corrosion, and wear, especially in a humid environment. Long-term exposure to air will cause rust on the surface of ancient coins, and they must be cleaned. Repeated cleaning will damage the surface of ancient coins and make them lose their collection or value. The current storage method is not enough to provide better protection, especially for some delicate ancient coins. It is not easy to touch and play with, and the touched areas will turn black and corrode first.

[0003] In the prior art, a vacuum coating machine is usually used to coat ancient coins. However, after coating one side of an ancient coin, the existing coating machine requires workers to manually turn the ancient coins over one by one, which is very troublesome, time-consuming and labor-intensive.

[0004] Therefore, it is necessary to provide a new ancient coin coating device to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an ancient coin coating device, which solves the problem that after coating one side of the ancient coin, workers need to manually turn over the ancient coins one by one in the existing coating machine, which is very troublesome, time-consuming and labor-intensive.

[0006] The ancient coin coating device provided by the utility model comprises a coating box, wherein a polymer adsorption chamber is arranged inside the coating box, a hanging column is fixed inside the polymer adsorption chamber, a plurality of support ring seats are installed on the hanging column at intervals, support shafts are movably arranged on both sides of the support ring seats, a side seat is installed on the support shaft, a first support plate is fixed on one side of the side seat, four sliding columns are arranged in a square shape through the first support plate, and a second support plate is fixed on the top of the four sliding columns;

[0007] The first supporting plate and the second supporting plate are both provided with an accommodating cavity.

[0008] In a preferred embodiment, a stopper is fixed to the bottom of the sliding column, a spring is sleeved on the sliding column, one end of the spring is fixed to the first support plate, and the other end of the spring is fixed to the stopper.

[0009] In a preferred embodiment, a U-shaped clamping plate is arranged between the first support plate and the second support plate, and an elastic rubber pad is arranged on the inner wall of the U-shaped clamping plate.

[0010] In a preferred embodiment, two limiting seats are fixedly arranged at intervals on both sides of the support ring seat, a worm is movably arranged between the two limiting seats, a worm gear is installed on the support shaft, and the worm is meshed with the worm gear.

[0011] In a preferred embodiment, the worm is an Archimedean worm, and one end of the worm extends out of the limiting seat and is provided with a turning handle.

[0012] In a preferred embodiment, a sublimation chamber and a pyrolysis chamber are arranged inside the coating box, and the sublimation chamber and the pyrolysis chamber are located below the polymer adsorption chamber.

[0013] The beneficial effects of the present utility model are as follows:

[0014] When one side of the ancient coin needs to be turned over after the coating is completed, it is not necessary for the staff to turn them over one by one. At this time, the staff can slide the second support plate to a position where it contacts the first support plate, then use the U-shaped clamping plate to fix the first support plate and the second support plate together, and finally rotate the handle to drive the worm to rotate. Under the transmission of the worm and the worm gear, the entire support shaft, the first support plate and the second support plate are rotated 180° to complete the turning over of the ancient coin;

[0015] Finally, the U-shaped clamping plate is removed, and under the action of the spring, the first support plate and the second support plate are separated for subsequent coating. In summary, the coating device of the present utility model is simple and convenient to operate, can quickly turn over the ancient coin, and saves a lot of time for the staff. Description of the Drawings

[0016] Figure 1 It is a three-dimensional view of the main structure of the ancient coin coating device provided by the present utility model;

[0017] Figure 2 It is Figure 1 The enlarged structural schematic diagram of A shown in;

[0018] Figure 3 It is Figure 1 The enlarged structural schematic diagram of B shown in;

[0019] Figure 4 It is a plan view of the main structure of the ancient coin coating device provided by the present utility model.

[0020] Reference numerals in the drawings: 1. Coating box; 2. Polymer adsorption chamber; 3. Suspension column; 4. Support ring seat; 5. Support shaft; 6. Side seat; 7. First support plate; 8. Slide column; 9. Second support plate; 10. Accommodation chamber; 11. Stopper; 12. Spring; 13. U-shaped clamping plate; 14. Elastic rubber pad; 15. Limiting seat; 16. Worm; 17. Worm gear; 18. Turning handle; 19. Sublimation chamber; 20. Pyrolysis chamber. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 ,in Figure 1 A three-dimensional view of the main structure of the ancient coin coating device provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the enlarged structure of shown;

[0023] Figure 3 for Figure 1 A schematic diagram of the enlarged structure of B shown; Figure 4 This is a plan view of the main structure of the ancient coin coating device provided by the utility model.

[0024] In the specific implementation process, Figure 1-Figure 4 As shown, it includes a coating box 1, a polymer adsorption chamber 2 is arranged inside the coating box 1, a sublimation chamber 19 and a pyrolysis chamber 20 are arranged inside the coating box 1, the sublimation chamber 19 and the pyrolysis chamber 20 are located below the polymer adsorption chamber 2, the sublimation chamber 19 and the pyrolysis chamber 20 are connected to the polymer adsorption chamber 2 through a first pipeline solenoid valve, and the polymer adsorption chamber 2 is connected to a vacuum pump of a second pipeline through a second pipeline solenoid valve; firstly, the solenoid valve of the first pipeline is in a closed state, the polymer raw material is put into the sublimation chamber 19, and the vacuum pump of the first pipeline is used to pump the polymer raw material to a set temperature. Pressure value, place the product to be coated into the accommodating chamber 10 in the polymer adsorption chamber 2, then open the solenoid valve of the second pipeline 2 and use a vacuum pump to evacuate the entire second pipeline to 1-5pa, and heat the pyrolysis chamber 20 to 650℃-680℃. When the vacuum value is lower than 5pa, the pyrolysis chamber 20 rises to 650℃ and the solenoid valve is closed. The sublimation chamber 19 is set to 120℃ to maintain a constant temperature. The vaporized molecules in the sublimation chamber 19 are transported to the polymer adsorption chamber 2 through the pressure difference at a uniform speed and will be adsorbed on the coated product.

[0025] A suspension column 3 is fixed inside the polymer adsorption chamber 2, and a number of support ring seats 4 are installed on the suspension column 3 at intervals. Support shafts 5 are movably arranged on both sides of the support ring seat 4, and side seats 6 are installed on the support shafts 5. A first support plate 7 is fixed to one side of the side seat 6. Four sliding columns 8 are arranged in a square shape on the first support plate 7, and a second support plate 9 is fixed on the top of the four sliding columns 8. An accommodating cavity 10 is provided on the first support plate 7 and the second support plate 9. A stopper 11 is fixed at the bottom of the sliding column 8, and a spring 12 is sleeved on the sliding column 8. One end of the spring 12 is fixed on the first support plate 7, and the other end of the spring 12 is fixed on the stopper 11.

[0026] A U-shaped clamping plate 13 is arranged between the first support plate 7 and the second support plate 9. An elastic rubber pad 14 is arranged on the inner wall of the U-shaped clamping plate 13. The first support plate 7 and the second support plate 9 can be connected together by the elastic force of the elastic rubber pad 14.

[0027] On both sides of the support ring seat 4, two limit seats 15 are fixedly arranged at intervals. A worm 16 is movably arranged between the two limit seats 15. A worm gear 17 is installed on the support shaft 5. The worm 16 is meshed with the worm gear 17. The worm 16 adopts an Archimedean worm and has a self-locking function. One end of the worm 16 extends out of the limit seat 15 and is provided with a turning handle 18. Rotating the handle 18 drives the worm 16 to rotate. Under the transmission of the worm 16 and the worm gear 17, the entire support shaft 5, the first support plate 7 and the second support plate 9 can be rotated by 180° to complete the turning over of the ancient coin, and the operation is simple and convenient.

[0028] The working principle of the present utility model: The sublimation chamber 19 and the pyrolysis chamber 20 are connected to the polymer adsorption chamber 2 through the first pipeline solenoid valve. The polymer adsorption chamber 2 is connected to the vacuum pump of the second pipeline through the second pipeline solenoid valve; First, the solenoid valve of the first pipeline is in the closed state, and the polymer raw material is put into the sublimation chamber 19 and pumped to the set pressure value by the vacuum pump of the first pipeline;

[0029] The product to be coated is placed inside the accommodation chamber 10 in the polymer adsorption chamber 2. Then, the solenoid valve of the second pipeline 2 is opened and the vacuum pump is used to evacuate, so that the entire second pipeline is evacuated to 1-5 pa, and the pyrolysis chamber 20 is heated to 650 °C - 680 °C. When the vacuum value is lower than 5 pa and the pyrolysis chamber 20 rises to 650 °C, the solenoid valve is closed, and the sublimation chamber 19 is set at 120 °C to maintain a constant temperature state. The molecules vaporized in the sublimation chamber 19 will be adsorbed on the product to be coated at a uniform speed through the pressure difference to the polymer adsorption chamber 2;

[0030] When one side of the ancient coin needs to be turned over after being coated, it is not necessary for the staff to turn them over one by one. At this time, the staff can slide the second support plate 9 to the position in contact with the first support plate 7, and then use the U-shaped clamping plate 13 to fix the first support plate 7 and the second support plate 9 together. Finally, rotate the handle 18 to drive the worm 16 to rotate. Under the transmission of the worm 16 and the worm gear 17, the entire support shaft 5, the first support plate 7 and the second support plate 9 can be rotated by 180° to complete the turning over of the ancient coin. Finally, the U-shaped clamping plate 13 is removed. Under the action of the spring 12, the first support plate 7 and the second support plate 9 are separated for subsequent coating.

[0031] The circuits and controls involved in the present utility model are all prior arts and will not be elaborated herein.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An ancient coin coating device, comprising a coating box (1), wherein a polymer adsorption chamber (2) is arranged inside the coating box (1), characterized in that: A suspension column (3) is fixed inside the polymer adsorption cavity (2). A number of support ring seats (4) are installed on the suspension column (3) at intervals. Support shafts (5) are movably arranged on both sides of the support ring seat (4). A side seat (6) is installed on the support shaft (5). A first support plate (7) is fixed on one side of the side seat (6). Four sliding columns (8) are arranged through the first support plate (7) in a square shape. A second support plate (9) is fixed on the tops of the four sliding columns (8). Accommodation cavities (10) are formed on both the first support plate (7) and the second support plate (9).

2. The ancient coin coating device according to claim 1, characterized in that: A stop block (11) is fixed at the bottom of the sliding column (8). A spring (12) is sleeved on the sliding column (8). One end of the spring (12) is fixed on the first support plate (7), and the other end of the spring (12) is fixed on the stop block (11).

3. The ancient coin coating device according to claim 2, characterized in that: A U-shaped clamping plate (13) is arranged between the first support plate (7) and the second support plate (9). An elastic rubber pad (14) is arranged on the inner wall of the U-shaped clamping plate (13).

4. The ancient coin coating device according to claim 3, characterized in that: Two limit seats (15) are fixedly arranged at intervals on both sides of the support ring seat (4). A worm (16) is movably arranged between the two limit seats (15). A worm gear (17) is installed on the support shaft (5). The worm (16) is meshed with the worm gear (17).

5. The ancient coin coating device according to claim 4, characterized in that: The worm (16) is an Archimedes worm. One end of the worm (16) extends out of the limit seat (15) and is provided with a turning handle (18).

6. The ancient coin coating device according to claim 5, characterized in that: A sublimation cavity (19) and a pyrolysis cavity (20) are arranged inside the coating box (1). The sublimation cavity (19) and the pyrolysis cavity (20) are located below the polymer adsorption cavity (2).

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