Wax melting and discharging device

Abstract

The utility model provides a wax melting and discharging device which comprises an installation seat body, a wax melting mechanism and a valve body control mechanism, the wax melting mechanism and the valve body control mechanism are arranged on the installation seat body, the wax melting mechanism comprises a containing cavity, one end of the containing cavity is provided with an air inlet, the other end of the containing cavity is provided with a discharging channel, and a valve body inlet is formed in the valve body control mechanism. The valve body inlet is communicated with the discharging channel, and a heating piece is arranged in the containing cavity. The wax melting and discharging device provided by the utility model is convenient to use, can control the wax discharging dosage to be uniform, ensures that the waxing effect of an orthokeratology lens material on a carrier is good, eliminates or greatly reduces bubbles, and further reduces the defective rate.

Description

Technical Field

[0001] This utility model relates to the technical field of orthokeratology lens production equipment, specifically to a wax melting and discharging device used for waxing during the production of orthokeratology lenses. Background Technology

[0002] As is well known, the production process of orthokeratology lenses involves numerous steps and is highly automated and precise, encompassing materials science, precision engineering, and quality control. The waxing process in orthokeratology lenses ensures precise bonding between the lens material and the substrate, a prerequisite for accurate lathe machining. Therefore, the wax dispensing device used for orthokeratology lens waxing requires precise control over the wax dispensing accuracy. Even a slight over- or under-dispensing of wax will ultimately affect the product's precision. To reduce the defect rate, a wax dispensing device is needed that dispenses wax quickly and evenly, eliminates or significantly reduces air bubbles, ensures good waxing results, and is easy to use. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a wax melting and dispensing device for applying wax to orthokeratology lenses that is easy to use and can uniformly control the amount of wax dispensed in order to eliminate or significantly reduce air bubbles.

[0004] To achieve the purpose of this utility model, this utility model provides a wax melting and discharging device, including a mounting base and a wax melting mechanism and a valve body control mechanism disposed on the mounting base. The wax melting mechanism includes a receiving cavity, with an air inlet at one end and a discharge channel at the other end. The valve body control mechanism has a valve body inlet connected to the discharge channel. A heating element is disposed inside the receiving cavity to form a heating surface on the surface of the receiving cavity. The air inlet is connected to the discharge channel and is used to introduce auxiliary gas. The valve body control mechanism is used to form a uniform discharge dosage on the discharge channel.

[0005] Preferably, the wax melting mechanism further includes a receiving outer shell, the receiving cavity is placed inside the receiving outer shell, and the receiving outer shell is also provided with a sealing cover, the sealing cover being sealed and covered by the opening of the receiving cavity.

[0006] Preferably, the sealing cover is a transparent cover made of high-temperature resistant material, which is connected to the outer casing of the receiving shell by a connecting nail made of stainless steel. The upper end of the receiving shell is provided with an air inlet connecting pipe, which is connected to the air inlet.

[0007] Preferably, the bottom surface of the receiving cavity is provided with an inclined surface, and one end of the inclined surface is provided with a flow port, which is connected to the discharge channel. One end of the discharge channel is connected to the flow port, and the other end is connected to the valve body inlet.

[0008] Preferably, the discharge channel is provided with a connecting pipe and a connecting round pipe, and the connecting round pipe has a spherical connecting round hole for connecting the connecting pipe.

[0009] Preferably, the heating element is a rod-shaped heating tube, which is arranged adjacent to each other in the interlayer between the receiving cavity and the mounting base, and is close to each other. The heating element is provided with two or more sets of rod-shaped heating tubes.

[0010] Preferably, the valve body control mechanism is a solenoid valve mechanism, which has a solenoid valve body, a valve body inlet located in the middle of the solenoid valve body, and a discharge pipe connected to the valve body inlet at one end of the solenoid valve body.

[0011] Preferably, the discharge pipe includes a discharge pipe body, one end of which is connected to the solenoid valve body and the other end is connected to the wax nozzle. The wax nozzle is an inverted frame-shaped wax nozzle, and a discharge cylindrical body with the opening facing downward is provided on the wax nozzle. The discharge cylindrical body is a metal cylindrical body.

[0012] Preferably, the air inlet is a high-pressure gas inlet, which is connected to the receiving cavity, and is connected to an external high-pressure gas delivery pipe via an air inlet connecting pipe.

[0013] Preferably, the mounting base includes an upper connecting base and a lower connecting base, the upper connecting base and the lower connecting base are slidably connected, the lower connecting base is provided with a cylinder pusher, the lower connecting base is provided with a base connecting block, and the base connecting block is slidably connected with the cylinder pusher.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a wax melting and dispensing device, which is equipped with a wax melting mechanism and a valve body control mechanism. The wax melting mechanism includes a receiving cavity, which is provided with an air inlet and a material dispensing channel. The valve body control mechanism has a valve body inlet, which is connected to the material dispensing channel. The air inlet is used to introduce pressurized auxiliary gas. The valve body control mechanism is used to form a uniform dispensing dosage in the dispensing channel. The wax melting and dispensing device provided by this utility model is easy to use, can control the wax dispensing dosage evenly, ensure good waxing effect of corneal reshaping lens material on the carrier, reduce or eliminate air bubbles, and further reduce the defect rate. Attached Figure Description

[0015] The above and other objects, features, and advantages of this invention will become clearer through a more detailed description of the preferred embodiments shown in the accompanying drawings. The same reference numerals indicate the same parts throughout the drawings, and the drawings are not intentionally drawn to scale with actual dimensions; the focus is on illustrating the gist of this invention.

[0016] Figure 1 This is a schematic diagram of a preferred embodiment of the wax melting and discharging device of this utility model;

[0017] Figure 2 This is a plan view of a wax melting and discharging device according to the present invention.

[0018] In the diagram: 1. Mounting base; 2. Wax melting mechanism; 3. Valve control mechanism; 31. Valve inlet; 32. Solenoid valve body; 4. Receiving cavity; 42. Discharge channel; 43. Inclined surface; 44. Flow port; 45. Connecting pipe; 46. Connecting round pipe; 5. Heating element; 6. Receiving outer shell; 7. Sealing cover; 8. Air inlet connecting pipe fitting; 9. Temperature controller; 10. Discharge pipe fitting; 11. Discharge pipe body; 12. Wax nozzle; 13. Discharge round pipe body; 14. Upper connecting base; 15. Lower connecting base; 16. Cylinder pusher; 17. Base connecting block. Detailed Implementation

[0019] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings.

[0020] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to and integrated with the other component, or there may be an intervening component present. The terms "mounted," "one end," "the other end," and similar expressions used in this document are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this applies. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] like Figure 1-2As shown, a preferred embodiment of this utility model provides a wax melting and discharging device, including a mounting base 1, a wax melting mechanism 2, and a valve control mechanism 3 disposed on the mounting base 1. The wax melting mechanism 2 includes a receiving cavity 4, with an air inlet 41 at one end and a discharge channel 42 at the other end. The valve control mechanism 3 has a valve inlet 31 connected to the discharge channel 42. A heating element 5 is disposed inside the receiving cavity 4, and the heating element 5 is used to form a heating surface on the surface of the receiving cavity. The wax in the cavity 4 is heated to a required temperature. The air inlet 41 is connected to the discharge channel 42. The air inlet 41 is used to introduce auxiliary gas and high-pressure gas to guide the molten wax liquid to the discharge channel. It flows through the valve body inlet 31 to the valve body control mechanism 3. The valve body control mechanism 3 is used to form a uniform discharge dosage on the discharge channel 42. The valve body control mechanism 3 is a timed high-frequency response valve body to control the uniform discharge dosage of wax liquid and ensure the final waxing effect of the orthokeratology lens.

[0023] refer to Figure 1-2 As shown, in a further preferred embodiment, the wax melting mechanism 2 also includes a receiving outer shell 6, and a receiving cavity 4 is built into the receiving outer shell 6. The outer shell is a metal shell, preferably a metal made of high temperature resistant and stainless steel. The receiving outer shell 6 is also provided with a sealing cover 7, which is sealed and connected to the opening of the receiving cavity to ensure that the high pressure gas in the receiving cavity 4 does not leak.

[0024] refer to Figure 1-2 As shown, in a preferred embodiment, the sealing cover 7 is a transparent cover made of high-temperature resistant material. The transparent cover allows for easy observation of the wax liquid in the receiving cavity. It is connected to the receiving outer shell by stainless steel connecting pins 71, or by hexagonal screws. The sealing cover can also be disassembled if necessary. A leak-proof sealing component can be provided at the connection between the sealing cover 7 and the receiving outer shell 6. The upper end of the receiving outer shell 6 is provided with an air inlet connecting pipe 8, which is connected to an air inlet. The air inlet connecting pipe 8 is used to directly connect to a high-pressure gas connecting pipe. A feed pipe or a feed port (not shown) can also be provided at the other end of the receiving outer shell.

[0025] refer to Figure 1-2 As shown, in a preferred embodiment, the bottom surface of the receiving cavity 4 is provided with an inclined surface 43, and one end of the inclined surface 43 is provided with a flow port 44. The inclined surface ensures that the wax liquid can flow quickly toward the flow port, resulting in a fast wax discharge speed. The flow port 44 is connected to the discharge channel 42. One end of the discharge channel 42 is connected to the flow port 44, and the other end is connected to the valve body inlet 31, forming a smooth guide channel for convenient wax discharge.

[0026] refer to Figure 1-2As shown, in a further preferred embodiment, the discharge channel 42 is provided with a connecting pipe 45 and a connecting round pipe 46. The connecting round pipe 46 has a spherical connecting round hole and is a conical wax nozzle, which is used to connect the connecting pipe 45 to ensure that the structure of the discharge channel 42 at the bottom of the receiving cavity is stable and to ensure the flow of wax liquid.

[0027] refer to Figure 1-2 As shown, in a preferred embodiment, the heating element 5 is a rod-shaped heating tube, which is arranged adjacent to each other in the interlayer between the receiving cavity and the mounting base. The heating element 5 can be provided with two or more sets of rod-shaped heating tubes. The heating rods provide heating at the bottom of the receiving cavity to heat the wax liquid in the cavity to the required temperature. The heating element is also connected to an external temperature controller 9 through a circuit to control the heating temperature in a timely manner.

[0028] refer to Figure 1-2 As shown, in a further preferred embodiment, the valve body control mechanism 3 is a solenoid valve mechanism. Specifically, it can be a high-frequency responsive solenoid valve body that can control the time and be timed. The operation of the overall wax melting and discharging device is controlled by the PLC assembly. The solenoid valve mechanism 3 is provided with a solenoid valve body 32. A valve body inlet 31 is provided in the middle part of the solenoid valve body 32. A discharge pipe 10 is also provided at one end of the solenoid valve body 32. The discharge pipe 10 is connected to the valve body inlet to ensure a stable connection structure and stable and rapid flow of wax liquid.

[0029] refer to Figure 1-2 As shown, in a further preferred embodiment, the discharge tube 10 includes a discharge tube body 11. One end of the discharge tube body 11 is connected to the solenoid valve body 32, and the other end is connected to the wax nozzle 12. The wax nozzle 12 is an inverted frame-shaped wax nozzle. A discharge cylindrical tube 13 with its opening facing downward is provided on the wax nozzle 12. The wax nozzle 12 is provided to better connect to the discharge cylindrical tube 13. The discharge cylindrical tube 13 is a metal cylindrical tube with a small diameter. Because the amount of wax applied to the orthokeratology lens is not very large, the amount of wax is quantitatively controlled by the solenoid valve mechanism to ensure uniform wax application and improve the waxing effect of the lens.

[0030] refer to Figure 1-2 As shown, in a further preferred embodiment, the air inlet 41 is a high-pressure gas inlet. The air inlet 41 is connected to the receiving cavity 4. The air inlet is connected to the air inlet connecting pipe 8 and then connected to the external high-pressure gas delivery pipe to facilitate the introduction of high-pressure gas.

[0031] refer to Figure 1-2As shown, in a further preferred embodiment, the mounting base 1 includes an upper connecting base 14 and a lower connecting base 15. The upper connecting base 14 and the lower connecting base 15 are slidably connected. A cylinder pusher 16 is provided on the lower connecting base 15. The lower connecting base is provided with a base connecting block 17, which is slidably connected to the cylinder pusher 16. The upper and lower connecting bases are configured to be slidably pushed to facilitate the installation and use of the entire wax melting and wax dispensing device on the waxing platform. After installation on the waxing platform, the moving distance can be adjusted for easy operation.

[0032] The beneficial effects of this utility model are as follows: This utility model provides a wax melting and dispensing device, which is equipped with a wax melting mechanism and a valve body control mechanism. The wax melting mechanism includes a receiving cavity, on which an air inlet and a material outlet are provided. The valve body control mechanism has a valve body inlet, which is connected to the material outlet. The air inlet is connected to the material outlet and is used to introduce auxiliary gas. The valve body control mechanism is used to form a uniform dispensing dosage in the dispensing channel. The wax melting and dispensing device provided by this utility model is easy to use, can control the wax dispensing dosage evenly, ensures good waxing effect of corneal reshaping lens material on the carrier, and further reduces the defect rate.

[0033] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0034] In the description of this specification, the references to terms such as "preferred embodiment," "another embodiment," "other embodiment," or "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0035] The above embodiments only illustrate several implementation methods of the utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A wax melting and discharging device, characterized in that: The device includes a mounting base and a wax melting mechanism and a valve control mechanism mounted on the mounting base. The wax melting mechanism includes a receiving cavity with an air inlet at one end and a discharge channel at the other end. The valve control mechanism has a valve inlet connected to the discharge channel. A heating element is provided inside the receiving cavity to form a heating surface on the surface of the receiving cavity. The air inlet is connected to the discharge channel and is used to introduce auxiliary gas. The valve control mechanism is used to form a uniform discharge dosage on the discharge channel.

2. The wax melting and discharging device according to claim 1, characterized in that, The wax melting mechanism also includes a receiving outer shell, the receiving cavity is placed inside the receiving outer shell, and the receiving outer shell is also provided with a sealing cover, which is sealed and connected to the opening of the receiving cavity.

3. The wax melting and discharging device according to claim 2, characterized in that, The sealing cover is a transparent cover made of high-temperature resistant material and is connected to the outer casing of the receiving body by connecting nails made of stainless steel. The upper end of the receiving body is provided with an air inlet connecting pipe, which is connected to the air inlet.

4. The wax melting and discharging device according to claim 1, characterized in that, The bottom surface of the receiving cavity is provided with an inclined surface, and a flow port is opened at one end of the inclined surface. The flow port is connected to the discharge channel. One end of the discharge channel is connected to the flow port, and the other end is connected to the valve body inlet.

5. The wax melting and discharging device according to claim 1, characterized in that, The discharge channel is provided with a connecting pipe and a connecting round pipe. The connecting round pipe has a spherical connecting round hole for connecting the connecting pipe.

6. The wax melting and discharging device according to claim 1, characterized in that, The heating element is a rod-shaped heating tube, which is arranged adjacent to each other in the interlayer between the receiving cavity and the mounting base, and is close to each other. The heating element is provided with two or more sets of rod-shaped heating tubes.

7. The wax melting and discharging device according to claim 1, characterized in that, The valve body control mechanism is a solenoid valve mechanism, which has a solenoid valve body. The valve body inlet is located in the middle of the solenoid valve body, and a discharge pipe is also provided at one end of the solenoid valve body. The discharge pipe is connected to the valve body inlet.

8. The wax melting and discharging device according to claim 7, characterized in that, The discharge pipe includes a discharge pipe body, one end of which is connected to the solenoid valve body, and the other end is connected to the wax nozzle. The wax nozzle is an inverted frame-shaped wax nozzle, and a downward-facing discharge cylindrical tube is provided on the wax nozzle. The discharge cylindrical tube is a metal cylindrical tube.

9. The wax melting and discharging device according to claim 1, characterized in that, The air inlet is a high-pressure gas inlet, which is connected to the receiving cavity. The air inlet is connected to an external high-pressure gas delivery pipe via an external air inlet connecting pipe fitting.

10. The wax melting and discharging device according to claim 1, characterized in that, The mounting base includes an upper connecting base and a lower connecting base. The upper connecting base and the lower connecting base are slidably connected. A cylinder pusher is provided on the lower connecting base, and a base connecting block is provided on the lower connecting base. The base connecting block is slidably connected to the cylinder pusher.

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