Positioning device for placing foil and spraying equipment

Abstract

The utility model discloses a positioning device for placing a foil and spraying equipment, comprising a base used for connecting an output shaft of a driving device of the spraying equipment; the bottom of the positioning part is connected with the top of the base, and a plurality of hollow parts are arranged between the positioning part and the base; a spraying hole communicated with the hollow part is formed in the positioning part in the height direction of the positioning part in a penetrating mode, and at least one positioning block is arranged on the lower portion of the spraying hole. Heat and solvent steam generated in the spraying process are discharged in time through the hollowed-out part, vortex or turbulent flow is prevented from being generated in the spraying holes, then the stability of the spraying environment is improved, and the spraying effect is improved; and the hollow part can also control the direction and the speed of airflow in the spraying process, so that the uniformity and the consistency of the sprayed surface of the foil to be sprayed are favorably kept, and the spraying quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying, in particular to a positioning device for placing foil and spraying equipment. Background Art

[0002] An air bearing is a sliding bearing that uses air as a lubricant. During normal operation, the shaft and bearing surfaces are completely separated by an air film, and the pressure changes in the air film support the shaft and external loads. Since air has lower viscosity than oil, is resistant to high temperatures, and is pollution-free, air bearings can be used in high-speed machines, instruments, and radioactive devices. However, when the air bearing is running during the start-stop phase, if the shaft speed is lower than the critical takeoff speed of the bearing, an effective dynamic pressure air film cannot be formed between the two, resulting in contact friction, which will cause surface wear, large starting torque, and reduced life.

[0003] Therefore, it is necessary to spray a molybdenum disulfide coating on the radial bearing foil of the air bearing to form a molybdenum disulfide protective layer. The molybdenum disulfide protective layer has a typical layered structure, and its crystals are hexagonal. This crystal structure enables the molybdenum disulfide protective layer to have better lubrication and wear reduction effects under special environmental conditions such as high temperature, high load, ultra-low temperature, ultra-high vacuum, strong redox, and strong radiation, thereby extending the service life of parts.

[0004] At present, in order to prevent the problems of poor consistency of coating thickness and low spraying efficiency, the spraying of radial bearing foil in the industry adopts automatic spraying by spraying equipment. However, in order to prevent the sprayed paint from splashing, the positioning device for placing the foil to be sprayed is placed in a shielding member, leaving only an avoidance hole for the spray gun to enter and exit, so that more paint is splashed in the shielding member to prevent the paint from splashing to other positions of the equipment, thereby affecting the functions of other parts of the equipment. Then the equipment is provided with a collection hole corresponding to the shielding member to collect the paint blocked by the shielding member.

[0005] However, heat and solvent vapor are generated during the spraying process of the paint in the positioning device. These heat and solvent vapor cannot be discharged from the positioning device in time, resulting in eddy currents or turbulence in the lower part of the positioning device, making the spraying environment unstable and the spraying effect poor. Utility Model Content

[0006] In view of this, the utility model provides a positioning device for placing foil and a spraying device, which are used to solve the problem in the prior art that the shielding member will generate eddy currents or turbulence, resulting in poor stability of the spraying environment and poor spraying effect.

[0007] The technical solution of the utility model is a positioning device for placing foil, comprising:

[0008] A base, used to connect the output shaft of the driving device of the spraying equipment;

[0009] A positioning portion, the bottom of which is connected to the top of the base, and a plurality of hollow portions are provided between the positioning portion and the base;

[0010] The positioning portion is provided with a spray hole communicating with the hollow portion along its height direction, and at least one positioning block is provided at the lower part of the spray hole.

[0011] Furthermore, the inner side wall of the spray hole is provided with at least one pair of limiting grooves disposed opposite to each other along its height direction, and each of the limiting grooves extends from the top to the bottom of the spray hole and does not penetrate the bottom.

[0012] Furthermore, a positioning block for supporting the foil to be sprayed is provided at the bottom of the spray hole corresponding to the limiting groove, and each of the positioning blocks is extended toward the axis of the spray hole.

[0013] Furthermore, the positioning block extends downward to form a connecting column, and a clamping portion is provided at the end of the connecting column;

[0014] The top of the base is recessed inwardly corresponding to the clamping portion to form a clamping groove, and the clamping groove can be matched and clamped with the clamping portion.

[0015] Furthermore, the hollow portion is defined by any adjacent connection columns, the bottom of the positioning portion and the top of the base.

[0016] Furthermore, the base is in the shape of a truncated cone with a small top and a large bottom, and a hollow internal space is provided at the bottom of the base.

[0017] Furthermore, the top of the internal space is recessed inward to form a mounting groove, and the mounting groove is used for detachably connecting with the output shaft of the driving device.

[0018] Furthermore, the outer side wall of the base is also provided with an oleophobic coating.

[0019] The utility model also provides a spraying device, comprising a frame provided with a workbench;

[0020] The workbench is provided with the above-mentioned positioning device for placing the foil;

[0021] The frame is also provided with a spraying device, and the spraying device moves along the axis of the spraying hole of the positioning device.

[0022] Furthermore, the workbench is provided with a waste collection tray corresponding to the positioning device.

[0023] Compared with the prior art, the utility model has at least the following beneficial effects:

[0024] The utility model discharges the heat and solvent vapor generated in the spraying process in time through the hollow part, prevents the generation of eddy currents or turbulence in the spraying hole, thereby improving the stability of the spraying environment and the spraying effect; and the hollow part can also control the direction and speed of the airflow during the spraying process, helps to maintain the uniformity and consistency of the spraying surface of the foil to be sprayed, and improves the spraying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order.

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 It is a cross-sectional view of the positioning device of the utility model;

[0028] Figure 2 A top view of the positioning device of the utility model;

[0029] Figure 3 It is a left side view of the spraying equipment of the utility model;

[0030] Figure 4 for Figure 3 Sectional view in the AA direction;

[0031] Figure 5 for Figure 4 An enlarged schematic diagram of the reference numeral A in FIG.

[0032] Reference numerals:

[0033] 1. Frame;

[0034] 2. Workbench; 21. Stop block;

[0035] 3. Spraying device; 31. Spray gun; 32. Distance sensor;

[0036] 4. waste collection tray; 41. bump; 42. conduit;

[0037] 5. Lifting device;

[0038] 6. Driving device;

[0039] 7. Foil to be sprayed;

[0040] 8. Waste barrel;

[0041] 10. Base;

[0042] 101, card slot; 102, internal space; 103, installation slot;

[0043] 20. Positioning unit;

[0044] 201, spray hole; 202, positioning block; 203, limiting groove; 204, connecting column; 205, clamping part;

[0045] 30. Hollow part. DETAILED DESCRIPTION

[0046] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the utility model, rather than implying that each embodiment of the utility model must have the described features. In addition, it should be noted that this specification describes many features. Although certain features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0047] The principle and structure of the present utility model are described in detail below with reference to the accompanying drawings and embodiments.

[0048] Example 1

[0049] In order to prevent the problem that when the foil 7 to be sprayed is sprayed, the heat and solvent vapor generated during the spraying process are not discharged in time in the positioning device where the foil 7 to be sprayed is placed, resulting in eddy current or turbulence in the positioning device, making the stability of the spraying environment poor and the spraying effect poor. In order to solve the above problem, the utility model proposes a positioning device for placing the foil.

[0050] See attached Figure 1 and 5 The utility model provides a positioning device for placing foil, comprising:

[0051] The base 10 is used to connect the output shaft of the driving device 6 of the spraying equipment.

[0052] The positioning portion 20 has a bottom portion connected to the top portion of the base 10 , and a plurality of hollow portions 30 are provided between the positioning portion 20 and the base 10 .

[0053] The positioning portion 20 is provided with a spray hole 201 communicating with the hollow portion 30 along its height direction, and at least one positioning block 202 is provided at the lower portion of the spray hole 201 .

[0054] The shape of the spray hole 201 is preferably cylindrical, and the positioning blocks 202 are all located above the hollow portion 30 .

[0055] In this way, when the foil 7 to be sprayed is placed in the spray hole 201 and the positioning block 202 supports the bottom of the foil 7 to be sprayed, and then the spray device 3 in the spray equipment is used to spray the foil 7 to be sprayed, the inner wall of the spray hole 201 will block the excess paint to prevent the paint from floating to the external space. The spray hole 201 collects the paint and discharges the excess paint from the hollow portion 30 to prevent the paint from accumulating or clogging at the bottom of the positioning portion 20 due to various reasons (such as paint viscosity, spraying pressure, etc.) during the spraying process.

[0056] It can also enable the heat and solvent vapor generated during the spraying process to be discharged from the hollow portion 30 in time, thereby preventing the generation of eddy currents or turbulence in the spray hole 201, thereby improving the stability of the spraying environment and improving the spraying effect of the foil 7 to be sprayed; and the hollow portion 30 can also control the direction and speed of the airflow during the spraying process, which helps to maintain the uniformity and consistency of the spraying surface of the foil 7 to be sprayed and improve the spraying quality.

[0057] It should be noted that the foil 7 to be sprayed in this embodiment is illustrated by a radial bearing foil of an air bearing of an aircraft. Of course, the foil 7 to be sprayed can also be a radial bearing foil of an air bearing of a centrifugal compressor, air compressor or high-speed motor, which is not limited here.

[0058] The foil 7 to be sprayed in this embodiment needs to be curled into a cylindrical shape before it can be placed in the spray hole 201 of the positioning portion 20 , so that the spray device 3 in the spraying equipment can spray it 360° along the axis of the spray hole 201 .

[0059] Among them, refer to the attached Figure 1 The positioning block 202 extends downward to form two connecting columns 204 that are opposite to each other, and a clamping portion 205 is provided at the end of the connecting column 204 .

[0060] The top of the base 10 is recessed inwardly corresponding to the engaging portion 205 to form an engaging groove 101 , and the engaging groove 101 can be matched and engaged with the engaging portion 205 .

[0061] In this way, when there are multiple foils 7 to be sprayed with different diameters, lengths, types and other sizes, the user only needs to replace a positioning portion 20 that matches the size of the foil 7 to be sprayed, without having to replace the entire positioning device, which is convenient for user operation, improves work efficiency, and can also improve the versatility of the positioning device.

[0062] In order to better fix the foil 7 to be sprayed, refer to the attached Figure 1-2 In this embodiment, the inner wall of the spray hole 201 is provided with a pair of limiting grooves 203 arranged opposite to each other along its height direction and corresponding to the two oppositely arranged connecting columns 204. Each limiting groove 203 extends from the top to the bottom of the spray hole 201 and does not pass through the bottom; and at this time, each limiting groove 203 passes through the top of the spray hole 201.

[0063] In this way, when the spray hole 201 needs to place the foil 7 to be sprayed, it is necessary to first bend one side edge of the foil 7 to be sprayed to form a folded edge (not shown, the same as in the whole text), and then match the folded edge and put it into any one of the limiting grooves 203, so that the spray hole 201 can better fix the foil 7 to be sprayed. And each limiting groove 203 extends from the top to the bottom of the spray hole 201 and does not penetrate the bottom, so as to prevent the foil 7 to be sprayed from blocking the hollow part 30, and to prevent the occurrence of the problem of affecting the heat generated during the spraying process and the discharge speed of the solvent vapor from the hollow part 30 in time, and then generating eddy currents or turbulent flows in the spray hole 201, so as to improve the stability of the spraying environment and improve the spraying effect of the foil 7 to be sprayed.

[0064] It should be noted that the width and height of any limiting groove 203 are slightly larger than the width and height of the folded edge, and the height of the foil 7 to be sprayed is higher than the height of the limiting groove 203. In this way, when the spray hole 201 fixes the foil 7 to be sprayed, the height of the foil 7 to be sprayed can be higher than the height of the limiting groove 203, so that the foil 7 to be sprayed can be taken out or put in from the spray hole 201, thereby improving work efficiency.

[0065] In order to make the height of the foil 7 to be sprayed higher than the height of the limiting groove 203, so as to facilitate taking out or putting in the foil 7 to be sprayed from the spraying hole 201 and improve the work efficiency, refer to the attached Figure 1 A pair of positioning blocks 202 are provided at the bottom of the spray hole 201 corresponding to a pair of limiting grooves 203 and supporting the foil 7 to be sprayed. Each positioning block 202 is extended toward the axis of the spray hole 201; and the two positioning blocks 202 are integrally formed with the corresponding connecting column 204, and the two positioning blocks 202 are located above the hollow portion 30.

[0066] In this way, the two relatively arranged positioning blocks 202 can better support the foil 7 to be sprayed, and can also prevent the foil 7 to be sprayed from blocking the hollow part 30, thereby preventing the heat generated during the spraying process and the solvent vapor from being discharged from the hollow part 30 in a timely manner, thereby preventing the problem of eddy currents or turbulence from being generated in the spray hole 201, thereby improving the stability of the spraying environment and improving the spraying effect of the foil 7 to be sprayed.

[0067] In order to better understand the position of the hollow portion 30 in the positioning device, refer to the attached Figure 1-2 The hollow portion 30 is defined by any adjacent connection columns 204 , the bottom of the positioning portion 20 , and the top of the base 10 .

[0068] Among them, the hollow parts 30 are preferably provided with two relatively arranged ones, and the two relatively arranged hollow parts 30 are connected to each other and are connected to the spray hole 201, so as to better discharge the heat and solvent vapor generated in the spraying process from the hollow parts 30 in time, thereby preventing the generation of eddy currents or turbulence in the spray hole 201, improving the stability of the spraying environment, and improving the spraying effect of the foil 7 to be sprayed; and it can also prevent the foil 7 to be sprayed from blocking the hollow parts 30, and prevent the heat generated in the spraying process and the solvent vapor from being discharged from the hollow parts 30 in time, thereby preventing the problem of eddy currents or turbulence in the spray hole 201, so as to improve the stability of the spraying environment and improve the spraying effect of the foil 7 to be sprayed; and it can also enable the coating to flow out of the hollow parts 30 more smoothly.

[0069] In order to reduce the weight of the base 10, refer to the attached Figure 1 The base 10 is in the shape of a truncated cone with a small top and a large bottom. A hollow inner space 102 is provided at the bottom of the base 10 .

[0070] Moreover, the bottom of the base 10 can cover the gap between the workbench 2 and the driving device 6 in the spraying equipment to prevent the paint flowing out of the hollow part 30 from floating or splashing into the gap between the workbench 2 and the driving device 6 during the spraying process, thereby affecting the normal operation of the driving device 6.

[0071] Among them, refer to the attached Figure 5 The top of the internal space 102 is recessed inward to form a mounting groove 103, and the mounting groove 103 is used to be detachably connected to the output shaft of the driving device 6 of the spraying equipment.

[0072] Because the foil 7 to be sprayed needs to be preheated before spraying, when the foil 7 to be sprayed needs to be preheated before spraying, the robotic arm in the spraying equipment or other related equipment can grab the entire positioning device, and at this time the mounting groove 103 of the base 10 can be disengaged from the output shaft of the driving device 6 of the spraying equipment, and then the robotic arm drives the entire positioning device and the foil 7 to be sprayed placed thereon to the designated workstation for preheating. After the preheating is completed, the robotic arm puts the entire positioning device and the foil 7 to be sprayed placed thereon back to their original positions, that is, the mounting groove 103 of the base 10 is matched and engaged with the output shaft of the driving device 6 of the spraying equipment again to improve work efficiency.

[0073] It should be noted that the shape of the mounting groove 103 is preferably a triangle or a circle. Of course, the shape of the mounting groove 103 can also be a rectangle, a regular pentagon or other shapes suitable for matching the output shaft of the driving device 6, which is not limited here.

[0074] The driving device 6 is used to drive the positioning device to rotate, so that when the spraying direction of the spray gun 31 of the spraying device 3 remains unchanged, the positioning device drives the foil 7 to be sprayed to rotate, so that the spraying surface of the curled foil 7 to be sprayed completes 360° spraying.

[0075] In order to facilitate the drainage and wiping of the paint on the outer wall of the base 10, the outer wall of the base 10 is also provided with an oleophobic coating.

[0076] It should be noted that the paint in this embodiment is an oil-based paint.

[0077] Example 2

[0078] See attached Figure 3-4 The utility model also provides a spraying device, including a frame 1 provided with a workbench 2.

[0079] The workbench 2 is provided with the above-mentioned positioning device for placing the foil; and the output shaft of the driving device 6 of the spraying equipment passes through the workbench 2 and is detachably connected to the mounting groove 103 of the positioning device. In order to better prevent excess paint from flowing into the gap between the workbench 2 and the driving device 6, the workbench 2 is provided with a blocking block 21 extending vertically upward corresponding to the output shaft of the driving device 6 passing through the workbench 2.

[0080] The frame 1 is also provided with a spraying device 3, and the spraying device 3 moves along the axis of the spraying hole 201 of the positioning device.

[0081] The driving device 6 is preferably a motor.

[0082] The spraying equipment also includes a lifting device 5 and a control center (not shown, the same in the whole text), and the control center is electrically connected to the spraying device 3 and the lifting device 5 respectively. The spraying device 3 is arranged on the lifting device 5, and when the lifting device 5 is lifted and lowered along the height direction of the frame 1, it can drive the spraying device 3 to be lifted and lowered along the height direction of the frame 1. Therefore, when the spraying equipment is started, the lifting device 5 moves downward from top to bottom, driving the spray gun 31 of the spraying device 3 to move downward. At this time, the spray gun 31 is aligned with the axis of the spray hole 201, so that the spray gun 31 moves downward along the axis of the spray hole 201 while spraying the paint, so that the distance and time from the paint to the foil 7 to be sprayed are consistent, so that the spraying is uniform and the thickness of the paint is consistent.

[0083] In order to evenly spray the top and bottom of the foil 7 to be sprayed, the spray equipment also has the characteristics of early opening and delayed closing. Spraying begins before the spray gun 31 reaches the top of the foil 7 to be sprayed, so that when the spray gun 31 reaches the top of the foil 7 to be sprayed, the top of the foil 7 to be sprayed can be sprayed at the travel speed and spraying amount set by the spraying program; at the same time, after the spray gun 31 reaches the bottom of the foil 7 to be sprayed, the spray gun 31 is not closed immediately, thereby achieving spraying of the bottom of the foil 7 to be sprayed at the travel speed and spraying amount set by the spraying program. Ultimately, the spray thickness at the top and bottom of the foil 7 to be sprayed can be prevented from being too thin; the spraying equipment is semi-automatic, and can evenly control the spraying amount, spraying time and travel speed of the spray gun 31, so as to ensure that the thickness of the paint sprayed on the spraying surface of the foil 7 to be sprayed is the same, thereby ensuring the spraying quality of the foil 7 to be sprayed, and at the same time improving the spraying efficiency, saving working time, faster production, and reducing labor costs.

[0084] In order to collect the excess paint and prevent the paint flowing out of the hollow part 30 from flowing to the rest of the workbench 2, refer to the attached Figure 4 The workbench 2 is provided with a waste collection tray 4 corresponding to the positioning device.

[0085] Specifically, the waste collection tray 4 includes a protrusion 41, and the protrusion 41 is vertically extended upward on the workbench 2, and the protrusion 41 forms a closed circle or square around the positioning device, and then the protrusion 41 and the corresponding workbench 2 form a waste collection tray 4. The waste collection tray 4 is also provided with a conduit 42 connected to the waste bucket 8 under the workbench 2.

[0086] It should be noted that the positioning device is located in the waste collection tray 4 , and the paint flowing out of the hollow portion 30 will pass through the outer wall of the base 10 and then flow to the waste collection tray 4 , and then the paint in the waste collection tray 4 will flow into the waste barrel 8 through the conduit 42 .

[0087] The end of the spray gun 31 of the spray device 3 is also provided with a distance sensor 32, and the distance sensor 32 is electrically connected to the control center. The distance sensor 32 is used to detect the diameter of the foil 7 to be sprayed.

[0088] The utility model also provides a spraying method according to the spraying equipment, and the spraying method comprises:

[0089] First, one side edge of the foil 7 to be sprayed is bent to form a folded edge; then, the foil 7 to be sprayed is curled and placed into the spraying hole 201 of the positioning portion 20 , wherein the folded edge can be placed into any one of the limiting grooves 203 .

[0090] The control center then receives the diameter of the foil 7 to be sprayed input by the user;

[0091] The control center then determines a target spraying program from a plurality of preset spraying programs according to the diameter of the foil 7 to be sprayed, executes the target spraying program and sprays according to the spraying parameters in the target spraying program, wherein the spraying parameters include spraying time, travel speed and spraying amount.

[0092] It should be noted that the diameter of the foil 7 to be sprayed is known data, which is the original data of the foil 7 to be sprayed given by the user; the spraying program is a spraying program preset in advance by the spraying equipment, and the spraying program is provided with spraying parameters, and the spraying parameters include spraying time, travel speed and spray amount. Different diameters of the foil 7 to be sprayed correspond to different spraying programs. For example, when the diameter of the foil 7 to be sprayed is 100 cm, it corresponds to the first program of the spraying program; when the diameter of the foil 7 to be sprayed is 90 cm, it corresponds to the second program of the spraying program; when the diameter of the foil 7 to be sprayed is 80 cm, it corresponds to the third program of the spraying program, which is not limited here.

[0093] Therefore, when the spraying equipment receives the diameter parameter of the foil 7 to be sprayed input by the user, it determines the spraying program corresponding to the diameter of the foil 7 to be sprayed among the multiple spraying programs, that is, the target spraying program, and then runs according to the spraying parameters of the target spraying program to spray the foil 7 to be sprayed. Thereby, the automation of the spraying equipment is realized, and the spraying thickness is uniformly fixed, so that the spraying thickness is uniform, and at the same time, the spraying efficiency is improved and the labor cost is reduced.

[0094] Wherein, when the target spraying program is determined from a plurality of preset spraying programs according to the diameter of the foil 7 to be sprayed, it also includes:

[0095] The distance sensor 32 detects the diameter of the foil 7 to be sprayed and transmits it to the control center.

[0096] The control center determines the detection spraying program from a plurality of preset spraying programs according to the diameter of the foil 7 to be sprayed, and determines whether the target spraying program matches the detection spraying program.

[0097] If the determination is negative, an alarm signal is sent to perform an error prevention function to prevent the diameter of the foil 7 to be sprayed from being different from the diameter corresponding to the selected target spraying program, resulting in inconsistent final spraying thickness.

[0098] If it is determined to be yes, the target spraying program is executed to control the spray gun 31 to spray the foil 7 to be sprayed with appropriate spraying time, travel speed and spraying amount according to the spraying parameters in the target spraying program.

[0099] In this way, in actual production, if due to the operator's mistake, the target spraying program selected for the foil 7 to be sprayed with a diameter of 100 cm is the second program, before starting, the diameter of the foil 7 to be sprayed is obtained as 100 cm according to the distance sensor 32, and the computer selects the detection spraying program as the first program according to the diameter of the foil 7 to be sprayed being 100 cm, and then determines whether the target spraying program and the detection spraying program match, that is, the first program at this time does not match the second program selected by the operator, and an alarm signal is issued to prompt the operator to select the wrong spraying program, thereby realizing the error prevention function.

[0100] Wherein, when the target spraying program is determined from a plurality of preset spraying programs according to the diameter of the foil 7 to be sprayed, it also includes:

[0101] The control center receives the thickness parameters input by the user and adjusts the spraying parameters of the target spraying program according to the thickness parameters.

[0102] The paint is sprayed according to the adjusted spraying parameters.

[0103] In this way, due to different requirements, the spraying thickness of the spraying foil 7 is not the same. A corresponding spraying program is provided in the computer, which can calculate the spraying time, travel speed and injection amount of the spray gun 31 according to the thickness parameters to be sprayed and the diameter and height of the spraying foil 7 to be sprayed. According to the calculated spraying time, travel speed and injection amount, the spray gun 31 is controlled to spray the spraying foil 7 to achieve the desired spraying thickness. The method can control the spray gun 31 to quickly switch to the specified parameter movement and spraying, greatly improving the work efficiency, and has more functions and higher applicability.

[0104] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. A positioning device for placing foil, characterized in that: include: A base (10) for connecting to an output shaft of a driving device of the spraying equipment; A positioning portion (20), wherein the bottom of the positioning portion (20) is connected to the top of the base (10), and a plurality of hollow portions (30) are provided between the positioning portion (20) and the base (10); The positioning portion (20) is provided with a spray hole (201) communicating with the hollow portion (30) along its height direction for placing a foil; and at least one positioning block (202) is provided below the spray hole (201).

2. The foil positioning device according to claim 1, characterized in that: The inner side wall of the spray hole (201) is provided with at least one pair of limiting grooves (203) disposed opposite to each other along its height direction, and each limiting groove (203) extends from the top to the bottom of the spray hole (201) and does not penetrate the bottom.

3. The positioning device for placing foil according to claim 2, characterized in that: A positioning block (202) for supporting the foil to be sprayed is provided at the bottom of the spray hole (201) corresponding to the limiting groove (203), and each positioning block (202) is extended toward the axis of the spray hole (201).

4. The positioning device for placing foil according to claim 3, characterized in that: The positioning block (202) extends downward to form a connecting column (204), and a clamping portion (205) is provided at the end of the connecting column (204); The top of the base (10) is recessed inwardly corresponding to the clamping portion (205) to form a clamping groove (101), and the clamping groove (101) can be matched and clamped with the clamping portion (205).

5. The positioning device for placing foil according to claim 4, characterized in that: The hollow portion (30) is defined by any adjacent connection columns (204), the bottom of the positioning portion (20) and the top of the base (10).

6. The foil positioning device according to claim 1, characterized in that: The base (10) is in the shape of a truncated cone with a small top and a large bottom. A hollow internal space (102) is provided at the bottom of the base (10).

7. The positioning device for placing foil according to claim 6, characterized in that: The top of the internal space (102) is recessed inward to form a mounting groove (103), and the mounting groove (103) is used for detachably connecting with the output shaft of the driving device.

8. The foil positioning device according to claim 1, characterized in that: The outer side wall of the base (10) is also provided with an oleophobic coating.

9. Spraying equipment, characterized in that, It comprises a frame (1) provided with a workbench (2); The workbench (2) is provided with a positioning device for placing the foil according to any one of claims 1 to 8; The frame (1) is also provided with a spraying device (3), and the spraying device (3) moves along the axis of the spraying hole (201) of the positioning device.

10. The spraying equipment according to claim 9, characterized in that: The workbench (2) is provided with a waste collection tray (4) corresponding to the positioning device.

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