Prosthetic coating apparatus

Abstract

This invention relates to coating equipment, and more specifically, to a prosthesis coating equipment. It includes a coating chamber containing two nozzles. A conical cavity is fixedly connected to the bottom of the coating chamber, and a coating channel is located in the middle of the conical cavity. The overlapping area of ​​the two nozzles covers the coating channel. Two telescopic mechanisms V are fixedly connected to the coating chamber, and each telescopic mechanism V has a telescopic mechanism VI fixedly connected to its telescopic end. Each telescopic mechanism VI has a nozzle fixedly connected to its telescopic end. The conical cavity contains two negative pressure chambers, and an adsorption chamber is fixedly connected between them. The coating channel is located within the adsorption chamber. Two negative pressure pipes are fixedly connected to the conical cavity, and each negative pressure pipe communicates with one of the two negative pressure chambers. This allows for rapid and uniform coating of the prosthesis.

Description

Technical Field

[0001] This invention relates to coating equipment, and more specifically to a prosthesis coating equipment. Background Technology

[0002] In orthopedics, dentistry, and plastic surgery, implantation of prostheses has become a routine treatment. Bioactive or antibacterial coatings on the prosthesis surface are crucial for promoting osseointegration, preventing infection, and improving long-term success rates. Currently, prosthesis coating primarily employs traditional processes such as dip-coating and plasma spraying. These methods generally suffer from the following problems: First, it is difficult to achieve uniform and complete coating coverage on prostheses with complex three-dimensional structures, often resulting in incomplete coating or uneven thickness at edges and recesses; second, the process efficiency is low, often requiring multiple repetitive operations and prolonged heat treatment, failing to meet the demands of rapid production of personalized prostheses; third, the process stability is poor, and parameter fluctuations can easily lead to inconsistent product quality; furthermore, traditional methods also suffer from low material utilization and potential contamination. Therefore, clinicians and industry urgently need a new type of equipment capable of rapidly, uniformly, and stably applying high-quality coatings to prostheses of various shapes. Summary of the Invention

[0003] The purpose of this invention is to provide a prosthesis coating device that can quickly and uniformly coat a prosthesis.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A prosthesis coating device includes a coating cavity with two nozzles inside. A conical cavity is fixedly connected to the bottom of the coating cavity, and a coating channel is provided in the middle of the conical cavity. The overlapping area sprayed by the two nozzles covers the coating channel.

[0006] Two telescopic mechanisms V are fixedly connected to the coating cavity. Each telescopic mechanism V has a telescopic mechanism VI fixedly connected to its telescopic end. Each telescopic mechanism VI has a spray nozzle fixedly connected to its telescopic end.

[0007] The conical cavity has two negative pressure chambers inside, and an adsorption chamber is fixedly connected between the two negative pressure chambers. The coating channel is located in the adsorption chamber. Two negative pressure pipes are fixedly connected to the conical cavity, and the two negative pressure pipes are respectively connected to the two negative pressure chambers.

[0008] Two telescopic mechanisms VII are fixedly connected to the coated cavity. Each telescopic mechanism VII has a sealing plate fixedly connected to its telescopic end. The two sealing plates are slidably connected to both sides of the upper part of the conical cavity.

[0009] Two extraction pipes are fixedly connected to the coating cavity, and the inner sides of the two extraction pipes extend into both sides of the conical cavity inside the coating cavity.

[0010] The coating cavity is fixedly connected to the rotating disk, the rotating disk is rotatably connected to the lifting bracket, the lifting bracket is fixedly connected to the telescopic mechanism IV, the telescopic mechanism IV is fixedly connected to the rotating seat, the rotating seat is fixedly connected to the output shaft of the rotary motor, and the rotary motor is fixedly connected to the telescopic mechanism III.

[0011] The telescopic mechanism III is fixedly connected to the device bracket, and two sliding brackets are slidably connected to the device bracket. A lead screw is rotatably connected to the device bracket, and the spirals at both ends of the lead screw have opposite directions. The two sliding brackets are respectively connected to the two ends of the lead screw by threads.

[0012] Both sliding supports are fixedly connected to the middle of a telescopic mechanism I. Both telescopic mechanisms I are rotatably connected to a rotating cylinder I. Multiple staggered racks I are fixedly connected to the rotating cylinder I. The multiple staggered racks I on the two rotating cylinders I are staggered and interlocked with each other.

[0013] Both ends of the two sliding brackets are fixedly connected to a swing motor, the output shaft of the swing motor is fixedly connected to a swing bracket, and the swing bracket is fixedly connected to a telescopic mechanism II.

[0014] Each of the four telescopic mechanisms II has a rotating cylinder II rotatably connected to its telescopic end. Each rotating cylinder II has multiple staggered racks II fixedly connected to it. The multiple staggered racks II between two rotating cylinders II are staggered and interlocked with each other. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the prosthesis coating device of the present invention;

[0017] Figure 2 This is a cross-sectional view of the prosthesis coating device of the present invention;

[0018] Figure 3 This is a schematic diagram of the device support structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the rotating cylinder I structure of the present invention;

[0020] Figure 5 This is a schematic diagram of the rotating cylinder II structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the misaligned rack II structure of the present invention;

[0022] Figure 7 This is a schematic diagram of the lifting support structure of the present invention;

[0023] Figure 8This is a schematic diagram of the coating cavity structure of the present invention;

[0024] Figure 9 This is a cross-sectional view of the coating cavity of the present invention;

[0025] Figure 10 This is a cross-sectional view of the coating cavity of the present invention.

[0026] In the diagram: 1. Device support; 2. Lead screw; 3. Sliding support; 4. Telescopic mechanism I; 5. Rotating cylinder I; 6. Offset rack I; 7. Swing motor; 8. Swing support; 9. Telescopic mechanism II; 10. Rotating cylinder II; 11. Offset rack II; 12. Telescopic mechanism III; 13. Rotating motor; 14. Rotating seat; 15. Telescopic mechanism IV; 16. Lifting support; 17. Coating cavity; 18. Telescopic mechanism V; 19. Telescopic mechanism VI; 20. Nozzle; 21. Conical cavity; 22. Negative pressure cavity; 23. Negative pressure pipe; 24. Extraction pipe; 25. Telescopic mechanism VII; 26. Sealing plate; 27. Adsorption cavity. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] like Figures 1 to 10 As shown below, the structure and function of a prosthesis coating device will be described in detail.

[0029] A prosthesis coating device includes a coating cavity 17, in which two nozzles 20 are disposed. A conical cavity 21 is fixedly connected to the bottom of the coating cavity 17, and a coating channel is disposed in the middle of the conical cavity 21. The overlapping area sprayed by the two nozzles 20 covers the coating channel.

[0030] In use, the dummy to be coated is placed under the coating channel. Since the circular range sprayed by a single nozzle 20 has a certain degree of dispersion, the spray density in the central spray area is greater than that in the outer area. Therefore, two nozzles 20 are set so that the spray areas of the two nozzles 20 overlap. That is, one decreases in density from left to right and the other decreases in density from right to left. The overlapping spray areas of the two nozzles 20 compensate for each other's density, thereby ensuring uniform spraying. The overlapping area sprayed by the two nozzles 20 covers the coating channel, so that the paint sprayed by the two nozzles 20 passes through the coating channel and is sprayed onto the dummy, forming a coating on the dummy.

[0031] Furthermore, such as Figure 8 and Figure 9 As shown;

[0032] Two telescopic mechanisms V18 are fixedly connected to the coating cavity 17. A telescopic mechanism VI19 is fixedly connected to the telescopic end of each of the two telescopic mechanisms V18. A nozzle 20 is fixedly connected to the telescopic end of each of the two telescopic mechanisms VI19.

[0033] Activate telescopic mechanism V18, which can be a hydraulic cylinder or an electric push rod. The telescopic end of telescopic mechanism V18 drives telescopic mechanism VI19 to move. Telescopic mechanism VI19 drives nozzle 20 to move, thereby adjusting the lateral position of nozzle 20, adjusting the size of the overlapping area of ​​the two nozzles 20, and also adjusting the density of the paint passing through the coating channel in the overlapping area of ​​the two nozzles 20. That is, the further away from the coating channel, the further out of the spraying area of ​​nozzle 20, and the lower the density of the paint sprayed by nozzle 20. Thus, by adjusting the lateral position of nozzle 20, different processing requirements can be met.

[0034] Furthermore, the telescopic mechanism VI19 is activated. The telescopic mechanism VI19 can be a hydraulic cylinder or an electric push rod. The telescopic mechanism VI19 drives the nozzle 20 to move, thereby adjusting the height of the nozzle 20 to meet the needs of different spraying distance adjustments.

[0035] Furthermore, the conical cavity 21 is provided with two negative pressure chambers 22, and an adsorption chamber 27 is fixedly connected between the two negative pressure chambers 22. The coating channel is provided in the adsorption chamber 27. Two negative pressure pipes 23 are fixedly connected to the conical cavity 21, and the two negative pressure pipes 23 are respectively connected to the two negative pressure chambers 22.

[0036] When the paint passes through the coating channel, it inevitably falls onto the side wall of the coating channel. Over time, this causes the paint to accumulate and slide off, resulting in pollution. Therefore, an adsorption chamber 27 is provided. The paint falls onto the adsorption chamber 27, which is preferably a sponge. The adsorption chamber 27 absorbs the paint. At the same time, two negative pressure pipes 23 are connected to two negative pressure chambers 22 respectively. The negative pressure generated by the two negative pressure pipes 23 causes the two negative pressure chambers 22 to generate negative pressure. The two negative pressure chambers 22 adsorb the paint on the adsorption chamber 27, so that the paint is discharged from the negative pressure pipes 23 and can be recycled.

[0037] Furthermore, two telescopic mechanisms VII25 are fixedly connected to the coating cavity 17, and a sealing plate 26 is fixedly connected to the telescopic end of each of the two telescopic mechanisms VII25. The two sealing plates 26 are slidably connected to both sides of the upper part of the conical cavity 21.

[0038] The telescopic mechanism VII25 is activated. The telescopic mechanism VII25 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism VII25 drives the sealing plate 26 to move, so that the sealing plate 26 slides on the conical cavity 21, thereby adjusting the spraying area of ​​the coating channel to meet different processing requirements.

[0039] Furthermore, such as Figure 9As shown, in order to collect the coating material blocked on the upper side of the conical cavity 21, two extraction pipes 24 are fixedly connected to the coating cavity 17, and the inner sides of the two extraction pipes 24 extend into both sides of the conical cavity 21 inside the coating cavity 17.

[0040] The paint blocked on the upper side of the conical cavity 21 is collected by the extraction pipe 24 and can then be recycled.

[0041] The spraying process will be explained in detail below, taking into account the scheme of supporting and flipping the prosthesis.

[0042] The coating cavity 17 is fixedly connected to the rotating disk, the rotating disk is rotatably connected to the lifting bracket 16, the lifting bracket 16 is fixedly connected to the telescopic mechanism IV 15, the telescopic mechanism IV 15 is fixedly connected to the rotating seat 14, the rotating seat 14 is fixedly connected to the output shaft of the rotating motor 13, and the rotating motor 13 is fixedly connected to the telescopic mechanism III 12.

[0043] The telescopic mechanism Ⅲ12 is fixedly connected to the device bracket 1. Two sliding brackets 3 are slidably connected to the device bracket 1. A lead screw 2 is rotatably connected to the device bracket 1. The spiral directions at both ends of the lead screw 2 are opposite. The two sliding brackets 3 are respectively threaded to the two ends of the lead screw 2.

[0044] Both sliding brackets 3 are fixedly connected to the middle of a telescopic mechanism I4. Both telescopic mechanisms I4 are rotatably connected to a rotating cylinder I5. Multiple staggered racks I6 are fixedly connected to the rotating cylinder I5. The multiple staggered racks I6 on the two rotating cylinders I5 are staggered and interlocked with each other.

[0045] Both ends of the two sliding brackets 3 are fixedly connected to a swing motor 7, the output shaft of the swing motor 7 is fixedly connected to a swing bracket 8, and the swing bracket 8 is fixedly connected to a telescopic mechanism II 9.

[0046] Each of the four telescopic mechanisms Ⅱ9 has a rotating cylinder Ⅱ10 rotatably connected to its telescopic end. Each rotating cylinder Ⅱ10 has multiple staggered racks Ⅱ11 fixedly connected to it. The multiple staggered racks Ⅱ11 between two rotating cylinders Ⅱ10 are staggered and interlocked with each other.

[0047] In use, the prosthesis to be sprayed is placed between multiple staggered racks II11 on both sides of multiple staggered racks I6. The lead screw 2 can be rotated. When the lead screw 2 rotates, it drives two sliding brackets 3 to move through the thread. The two sliding brackets 3 drive the rotating cylinders I5 and II10 to move, so that the two rotating cylinders I5 and II10 move closer to each other, thereby adjusting the staggered distance between the staggered racks I6 and II11, and thus adjusting the area supporting the prosthesis, so that the ends of the prosthesis are located outside the two rotating cylinders I5, that is, the two ends of the prosthesis are exposed.

[0048] A servo motor that drives the rotating cylinder I5 to rotate is fixedly connected to the telescopic end of the telescopic mechanism I4. A servo motor that drives the rotating cylinder II10 to rotate is fixedly connected to the telescopic end of the telescopic mechanism II9. When the servo motor is started, the servo motor drives the rotating cylinder I5 to rotate and the servo motor drives the rotating cylinder II10 to rotate. The rotation of the rotating cylinder I5 and the rotating cylinder II10 drives the prosthesis to rotate.

[0049] Furthermore, the swing motor 7 can be started. The swing motor 7 is preferably a servo motor. The output shaft of the swing motor 7 drives the swing bracket 8 to swing. The swing bracket 8 drives the telescopic mechanism II9 to swing. The position of the telescopic mechanism II9 can be adjusted. The telescopic mechanism II9 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism II9 drives the rotating cylinder II10 to move, thereby adjusting the position of the rotating cylinder II10 so that the two rotating cylinders II10 on both sides can clamp and fix the prosthesis.

[0050] During spraying, the telescopic mechanism III12 is activated in advance. The telescopic mechanism III12 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism III12 drives the rotary motor 13 to move. The height of the rotary motor 13 is adjusted, and the rotary motor 13 is started. The rotary motor 13 is preferably a servo motor. The output shaft of the rotary motor 13 drives the rotating seat 14 to rotate. The rotating seat 14 drives the coating cavity 17 to rotate, so that the coating cavity 17 moves to the side of the dummy and is set horizontally. Then, the paint is sprayed out through two nozzles 20. At the same time, the dummy is driven to rotate through the rotating cylinder I5 and the rotating cylinder II10. Then, the output shaft of the rotary motor 13 drives the rotating seat 14 to rotate, so that the coating cavity 17 rotates around the dummy, completing the full spraying of the dummy.

[0051] Furthermore, the telescopic mechanism IV15 can be activated. The telescopic mechanism IV15 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism IV15 drives the coating cavity 17 to move, thereby adjusting the height of the coating cavity 17 and the distance between the coating cavity 17 and the prosthesis.

[0052] Furthermore, the coating cavity 17 is fixedly connected to the rotating disk, the rotating disk is rotatably connected to the lifting bracket 16, and a servo motor that drives the rotating disk to rotate is fixedly connected to the lifting bracket. The servo motor drives the rotating disk to rotate, and the rotating disk drives the coating cavity 17 to rotate, thereby adjusting the tilt of the spray area of ​​the coating cavity 17.

Claims

1. A prosthesis coating device, comprising a coating cavity (17), characterized in that: The coating cavity (17) is provided with two nozzles (20). A conical cavity (21) is fixedly connected to the bottom of the coating cavity (17). A coating channel is provided in the middle of the conical cavity (21). The overlapping area sprayed by the two nozzles (20) covers the coating channel.

2. The prosthesis coating device according to claim 1, characterized in that: Two telescopic mechanisms V (18) are fixedly connected to the coating cavity (17). Telescopic mechanisms VI (19) are fixedly connected to the telescopic ends of the two telescopic mechanisms V (18). Spray nozzles (20) are fixedly connected to the telescopic ends of the two telescopic mechanisms VI (19).

3. The prosthesis coating device according to claim 1, characterized in that: The conical cavity (21) is provided with two negative pressure chambers (22), and an adsorption chamber (27) is fixedly connected between the two negative pressure chambers (22). The coating channel is set in the adsorption chamber (27). Two negative pressure pipes (23) are fixedly connected to the conical cavity (21), and the two negative pressure pipes (23) are respectively connected to the two negative pressure chambers (22).

4. The prosthesis coating device according to claim 1, characterized in that: Two telescopic mechanisms VII (25) are fixedly connected to the coated cavity (17). A sealing plate (26) is fixedly connected to the telescopic end of each of the two telescopic mechanisms VII (25). The two sealing plates (26) are slidably connected to the two sides of the upper part of the conical cavity (21).

5. The prosthesis coating device according to claim 1, characterized in that: Two extraction pipes (24) are fixedly connected to the coating cavity (17), and the inner sides of the two extraction pipes (24) extend into both sides of the conical cavity (21) inside the coating cavity (17).

6. The prosthesis coating device according to claim 1, characterized in that: The coating cavity (17) is fixedly connected to the rotating disk, the rotating disk is rotatably connected to the lifting bracket (16), the lifting bracket (16) is fixedly connected to the telescopic mechanism IV (15), the telescopic mechanism IV (15) is fixedly connected to the rotating seat (14), the rotating seat (14) is fixedly connected to the output shaft of the rotary motor (13), and the rotary motor (13) is fixedly connected to the telescopic mechanism III (12).

7. The prosthesis coating device according to claim 6, characterized in that: The telescopic mechanism Ⅲ (12) is fixedly connected to the device bracket (1). Two sliding brackets (3) are slidably connected to the device bracket (1). A lead screw (2) is rotatably connected to the device bracket (1). The spiral directions at both ends of the lead screw (2) are opposite. The two sliding brackets (3) are respectively connected to the two ends of the lead screw (2) by threads.

8. The prosthesis coating device according to claim 7, characterized in that: The middle of each of the two sliding brackets (3) is fixedly connected to a telescopic mechanism I (4), and the telescopic ends of each of the two telescopic mechanisms I (4) are rotatably connected to a rotating cylinder I (5). Multiple staggered racks I (6) are fixedly connected to the rotating cylinder I (5), and the multiple staggered racks I (6) on the two rotating cylinders I (5) are staggered and interlocked with each other.

9. The prosthesis coating device according to claim 8, characterized in that: Two sliding brackets (3) are fixedly connected to two ends of a swing motor (7), a swing bracket (8) is fixedly connected to the output shaft of the swing motor (7), and a telescopic mechanism II (9) is fixedly connected to the swing bracket (8).

10. A prosthesis coating device according to claim 9, characterized in that: Each of the four telescopic mechanisms II (9) has a rotating cylinder II (10) rotatably connected to its telescopic end. Each rotating cylinder II (10) has multiple staggered racks II (11) fixedly connected to it. The multiple staggered racks II (11) between two rotating cylinders II (10) are staggered and interlocked with each other.

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