A spraying equipment for spring processing

Abstract

This invention relates to a spraying equipment for spring processing, comprising: a vibrating feeding plate for arranging and feeding springs; a spraying device mounted on the output end of the vibrating feeding plate; a housing mounted on the top of the spraying device; an adjustable base mounted on the bottom of the paint spray box; a first conveying device mounted on the top of the adjustable base; and a drying cover mounted on the right side of the spraying device. This invention provides a paint or rust-preventive oil spraying device for springs. In use, the springs are conveyed from the bottom to the upper surface of the spiral conveyor roller via the vibrating feeding plate, and are moved forward by rotating in the same direction. When passing through the spraying device, the first and second spray nozzles uniformly spray the inside and outside of the springs according to the material being sprayed, achieving the best spraying effect with the minimum spraying amount. This effectively solves the problems of large material spraying volume, waste, and poor spraying uniformity. Simultaneously, it can quickly dry the springs, improving drying efficiency, reducing equipment energy consumption, and enhancing the applicability of the equipment.

Description

Technical Field

[0001] This invention relates to the field of spring anti-rust material spraying technology, specifically to a spraying equipment for spring processing. Background Technology

[0002] A spring is a mechanical part that works by utilizing elasticity. It is a part made of elastic material that deforms under the action of external force and returns to its original shape after the external force is removed. It is also called a "spring". It is generally made of spring steel. There are many types of springs. According to their shape, the main types are helical springs, spiral springs, leaf springs, and special-shaped springs.

[0003] The technological background of spring spraying equipment can be traced back to the 1970s, when springs began to be widely used in manufacturing industries such as automobiles, machinery, and home appliances. As a functional component, springs play an important role in improving the stability, safety, and service life of products. With the increasing demand for high-quality and high-precision springs, the technology of spring spraying equipment has also continuously developed and improved.

[0004] The importance of spring spraying lies in the fact that sprayed springs possess characteristics such as corrosion resistance, wear resistance, high temperature resistance, and resistance to cracking. This allows them to withstand higher loads and greater stresses, making them more suitable for various applications. Furthermore, the surface of a sprayed spring is more aesthetically pleasing, smooth, and burr-free, which not only improves product quality and reliability but also makes it easier to clean and maintain.

[0005] In addition to its primary function, spraying springs can also improve their surface properties, providing corrosion and rust prevention, and reducing wear. The spray coating can enhance the spring's compressive strength and torque characteristics, as well as increase frictional viscosity and reduce noise, making the springs more suitable for applications in automobiles, machinery, and home appliances.

[0006] In summary, spring coating equipment, as a modern production tool, provides crucial assurance for the quality, reliability, and efficiency of springs. Its technological background stems from the demands of modern industrial production, and through continuous technological innovation and development, spring coating equipment will continue to make even more significant contributions to the development of modern industry.

[0007] Existing spring spraying equipment uses large nozzles to spray large quantities of paint or oil to ensure complete coverage of the spring's outer surface. For example, the prior art disclosed in patent number CN201910493971.7 describes a high-efficiency, energy-saving multi-row spring spraying mechanism. This mechanism includes a base with a spraying assembly and a spring loading assembly. The spraying assembly includes a frame with a paint tank at the top. One end of the paint tank is vertically connected to a support. Two parallel slide rails are arranged on the support, and a sliding plate is connected to both slide rails. Two spray guns are connected side-by-side on the sliding plate, and each spray gun has a support pipe at its rear end. A drive motor is located at one end of one of the slide rails, driving the sliding plate to reciprocate left and right. The spring loading assembly includes a rotating component and a placing component, using the rotating device to move the spring outside the spray gun to receive the paint.

[0008] Although the equipment has the advantages of good safety, high efficiency and low defect rate, the spraying method results in a large amount of material being sprayed, which is wasteful. Moreover, the spraying effect is uneven, especially the inner coating is thinner than the outer coating. In addition, if the spring is not dried quickly after spraying, the paint on the surface of the spring will not be uniform. Furthermore, the energy consumption during the drying process also needs to be considered. In view of the above problems, a spraying equipment for spring processing is proposed. Summary of the Invention

[0009] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a spraying equipment for spring processing, which effectively solves the problems of large material spraying volume, waste, and poor spraying uniformity. At the same time, it can quickly dry the springs, improve drying efficiency, reduce equipment energy consumption, and improve the applicability of the equipment.

[0010] To achieve the above objectives, the main technical solutions adopted by the present invention include:

[0011] A spraying device for spring processing includes: a vibrating feeding plate for feeding spring stacks, a first conveying device mounted on the output end of the vibrating feeding plate, a spraying device above the first conveying device, a device housing mounted on the top of the spraying device, an adjustable base mounted on the inner bottom surface of the device housing, the top of the adjustable base being connected to the first conveying device, a second conveying device mounted on the output end of the first conveying device, and a drying cover sleeved on the outside of the second conveying device, the drying cover being mounted on the inner wall of the device housing.

[0012] Optionally, the spraying device includes a first slide rail, a second slide rail, and a third slide rail. The bottom end of the second slide rail is slidably connected to a first spray head for spraying the inner side of the spring via a slider structure. The bottom end of the third slide rail is slidably connected to a second spray head for spraying the outer side of the spring via a slider structure. The rear end of the second slide rail is slidably connected to the first slide rail. The first and third slide rails are jointly fixedly connected to a fixing frame, which is assembled inside the equipment housing.

[0013] Optionally, a second slider is fitted inside the first slide rail, and the second slider is fixedly connected to the rear end of the second slide rail. A screw is screwed inside the second slider, and a lead screw motor is mounted on the outermost side of the screw. A first slider is mounted inside the second slide rail, and a connecting plate is welded to the top of the first slider. A first cylinder is mounted on the top of the connecting plate, and the first cylinder is equipped with a lifting tube. The lifting tube passes through the connecting plate and the first slider and is connected to the first nozzle. A second cylinder is mounted on the outer side of the second slide rail away from the second slider, and the second cylinder is connected to the first slider.

[0014] Optionally, the first conveying device includes a pair of spiral conveying rollers; the adjustable base includes a fixed plate, a support rod welded to the top of the fixed plate, a collar welded to the top of the support rod, a rotatable turbine sleeved inside the collar, a screw threaded to the center of the turbine, and an adjusting shaft welded to the outer end of the screw; the first conveying device also includes a conveying motor, the output end of which passes through the interior of the adjusting shaft and connects to the outer end of the spiral conveying rollers; the structure of the second conveying device is the same as that of the first conveying device.

[0015] Further optionally, a sleeve is welded inside the collar, the sleeve is fitted onto the outer surface of the turbine, and a worm gear is engaged on the outer side of the turbine; a nut block is welded to the outer end of the worm gear, and a knob is welded to the outer end of the nut block; a mounting groove is fitted on the support rod below the first conveying device, the mounting groove being used to hold excess spray paint generated during spraying.

[0016] Further optionally, the outer side of the adjusting shaft has a limiting post structure, and the inside of the collar has a sliding groove structure, with the limiting post sleeved inside the sliding groove structure, and the outer side of the collar near the second screw has a through outlet.

[0017] Optionally, the conveying motor is externally fitted with a sliding frame, the bottom end of which is fitted with a mounting plate, which is fitted onto the outside of the collar; a slot is formed on the upper surface of the collar located between the first conveying device and the second conveying device, and a guide frame is fitted onto the slot.

[0018] Further optionally, the drying shroud includes a shell, the shell being cylindrical, and spiral blades are welded around the inner wall of the shell; the outer wall of the shell is mounted on the inner wall of the drying chamber by a fixing rod; an air inlet pipe is mounted at the front of the top of the shell, and an air outlet pipe is mounted at the rear of the bottom of the shell.

[0019] Optionally, the outer surfaces of both the first and second conveying devices are coated with an oleophobic coating at the locations where they contact the spring.

[0020] Further optionally, the equipment housing includes a paint spraying box outside the first conveying device and a drying box of the second conveying device, with a dustproof connecting box installed between the paint spraying box and the drying box.

[0021] The spraying equipment for spring processing of the present invention has the following beneficial effects:

[0022] (1) The present invention provides a paint or rust-preventive oil spraying device for springs. In use, the spring is transported from the bottom to the upper surface of the spiral conveyor roller by the vibrating feeding tray. When passing through the spraying device, the first nozzle sprays the spring from the front end for a certain period of time and is driven by the screw motor to move towards the first slide rail. After moving a certain distance, the first nozzle can move up and down and back and forth by the action of the first cylinder and the second cylinder. The first nozzle can spray the inside of the spring in multiple directions. The second nozzle can slide on the third slide rail to spray the outside of the spring, so as to spray the inside and outside of the spring evenly. The best spraying effect is achieved with the minimum spraying amount, which effectively solves the problems of large material spraying amount, waste, and poor spraying uniformity. At the same time, after the spring is sprayed, the present invention transports the spring to the inside of the drying hood by the second conveying device. The design of the spiral blade and the design of the air inlet and outlet pipes enable the drying gas to dry the spring quickly when it enters the drying hood, thereby improving the drying efficiency and reducing the energy consumption of the equipment.

[0023] (2) The present invention drives the worm and screw to work together by adjusting the knob, so that the distance between the two spiral conveying rollers can be controlled, which makes it convenient to spray springs of different sizes. The operation is simple and improves the applicability of the equipment. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0025] Figure 2 This is a cross-sectional assembly diagram of the overall structure shell of an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the internal structure of an embodiment of the present invention;

[0027] Figure 4This is a schematic diagram of the conveying mechanism structure according to an embodiment of the present invention. Figure 1 ;

[0028] Figure 5 This is a schematic diagram of the spraying device structure according to an embodiment of the present invention;

[0029] Figure 6 This is a schematic diagram of the internal spraying device structure in an embodiment of the present invention. Figure 1 ;

[0030] Figure 7 This is a schematic diagram of the internal spraying device structure in an embodiment of the present invention. Figure 2 ;

[0031] Figure 8 This is a schematic diagram of the cross-sectional structure of the drying outer cover according to an embodiment of the present invention;

[0032] Figure 9 This is a cross-sectional view of the adjustment mechanism according to an embodiment of the present invention;

[0033] Figure 10 for Figure 9 Enlarged schematic diagram of the structure at point a;

[0034] Figure 11 This is a schematic diagram of the guide frame assembly according to an embodiment of the present invention;

[0035] Figure 12 This is a schematic diagram of the motor assembly according to an embodiment of the present invention;

[0036] Figure 13 This is a schematic diagram of the conveying mechanism structure according to an embodiment of the present invention. Figure 2 .

[0037] The attached diagram is labeled as follows: 1. Vibrating feeding tray; 2. Equipment housing; 21. Spray booth; 22. Dustproof connection box; 23. Drying oven; 3. Spraying device; 31. First slide rail; 32. Second slide rail; 33. Lifting pipe; 34. First spray head; 35. Third slide rail; 36. Second spray head; 37. Fixing frame; 38. First cylinder; 39. Second cylinder; 310. First slider; 311. Screw; 312. Second slider; 313. Lead screw motor; 4. Adjustable base; 41. Fixing plate; 42. Support. 43. Support rod, 44. Collar, 45. Sleeve, 46. Turbine, 47. Through-outlet, 48. Worm gear, 49. Nut block, 40. Knob, 410. Second screw, 411. Adjusting shaft, 412. Mounting slot, 413. Guide frame, 414. Mounting plate, 415. Sliding frame, 51. First conveying device, 52. Spiral conveying roller, 53. Conveying motor, 54. Second conveying device, 65. Drying hood, 66. Housing, 67. Fixing rod, 68. Spiral blade, 69. Air inlet pipe, 60. Air outlet pipe. Detailed Implementation

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, 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 application pertains.

[0040] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0041] Example 1

[0042] Please see Figures 1-13 This invention provides a spraying device for spring processing, characterized in that it includes: a vibrating feeding plate 1 for feeding springs in a stack; a first conveying device 5 is mounted on the output end of the vibrating feeding plate 1; a spraying device 3 is provided above the first conveying device 5; a device housing 2 is mounted on the top of the spraying device 3; an adjustable base 4 is mounted on the inner bottom surface of the device housing 2; a conveying device is mounted on the top of the adjustable base 4 and connected to the first conveying device 5; the first conveying device 5 includes two sets of conveying devices, one set of which is equipped with a second conveying device 53 for conveying springs for spraying at its output end, and the other set of conveying devices 5 is used for conveying springs for drying; a drying cover 6 is sleeved on the outside of the second conveying device 53 used for conveying springs for drying, and the drying cover 6 is mounted on the inner wall of the device housing 2.

[0043] In this embodiment, the equipment housing 2 includes a paint spraying box 21 outside the first conveying device 5 and a drying box 23 outside the second conveying device 53. A dustproof connecting box 22 is installed between the paint spraying box 21 and the drying box 23. The design of the housing 2 enables the device to be both dustproof and prevent paint leakage.

[0044] In this embodiment, the spraying device 3 includes a first slide rail 31, a second slide rail 32 and a third slide rail 35. A first nozzle 34 for spraying the outside of the spring is mounted at the bottom end of the second slide rail 32, and a second nozzle 36 for spraying the outside of the spring is mounted at the bottom end of the third slide rail 35.

[0045] It should be noted that the first conveying device 5 consists of a pair of spiral conveying rollers 51, which can rotate synchronously clockwise or counterclockwise during use, and their rotation direction is opposite to the spiral direction of the spring.

[0046] Here, the drying outer cover 6 is barrel-shaped and wraps around the outside of the spring transmission line after the spraying is completed. The inside of the drying outer cover 6 is welded with a spiral blade 63. The initial and final ends of the spiral blade 63 are respectively provided with an air inlet pipe 64 and an air outlet pipe 65 for hot air entry and exit.

[0047] This invention provides a paint or rust-preventive oil spraying device for springs. In use, the spring is transported from the bottom to the upper surface of the spiral conveyor roller 51 via a vibrating feeding plate 1, and is moved forward by rotating in the same direction. When passing the spraying device 3, depending on the material to be sprayed, the first nozzle 34 sprays from the front end of the spring for a certain period of time and then moves towards the first slide rail 31. After moving a certain distance, it sprays the fixed interior of the spring, while the second nozzle sprays from the outside of the spring by moving back and forth, thereby uniformly spraying the inside and outside of the spring. This achieves the best spraying effect with the minimum amount of spraying, effectively solving the problems of large material spraying volume, waste, and poor uniform spraying effect caused by the existing single-nozzle spraying method.

[0048] Furthermore, the second slide rail 32 is mounted inside the first slide rail 31, and the second slide rail 32 can move laterally relative to the first slide rail 31. A slider structure is mounted on the outer side of the first nozzle 34 and the second nozzle 36, and the slider structure is sleeved inside the third slide rail 35. A fixing frame 37 is mounted on the outer side of the first slide rail 31 and the third slide rail 35. The fixing frame 37 and the spraying device 31 are mounted inside the paint spray box 21. In use, the external actuator can drive the second slide rail 32 to move left and right inside the first slide rail 31, and also drive the second nozzle 36 to slide inside the third slide rail 35, thereby driving the movement of the first nozzle 34 and the second nozzle 36. This allows the first nozzle 34 and the second nozzle 36 to move within the spiral gap of the spring, thus achieving the purpose of spraying material on the inner and outer sides.

[0049] In use, the lead screw motor 313 drives the screw 311 to move the second slider 312 left and right, which can drive the second slide rail 32 to move left and right as a whole. This is used to follow the spring for spraying. It can also be used to spray the spring in a stationary state. In the stationary state, only the internal structure of the second slide rail 32 moves back and forth. The position adjustment of the second slide rail 32 is used to adapt to the spraying of springs of different lengths. Since the distance between the starting ends of springs of different lengths increases when they are loaded, the starting position of the spring will change relative to the logical starting point of the background control device when the spring moves uniformly. This is used to coordinate with the entry and exit position actions of the second slide rail 32.

[0050] In this embodiment, the steps of the first nozzle 34 entering and exiting the spring in the second slide rail 32 are achieved by the first cylinder 38 and the second cylinder 39. When the first cylinder 38 moves, the lifting tube 33 can rise and fall synchronously with the first nozzle 34 for the vertical movement of the nozzle 34. When the second cylinder 39 moves, it can drive the first slider 310 to move back and forth, thereby driving the first nozzle 34 to move back and forth. Through the cooperation of the above two movements, the first nozzle 34 can avoid the closed position of the spring's starting end. Inside the spiral gap of the spring, the spiral spraying is coordinated with the rotation of the spring to achieve more precise control of the spraying amount and spraying position. The first cylinder 38 and the second cylinder 39 are used when the production volume of a single type of spring is large and the displacement distance is the same each time. When the spring diameter changes continuously during spraying, using a push rod motor to precisely control the displacement position of the first nozzle 34 is the preferred solution.

[0051] It should be noted that the internal transmission method and transmission structure of the third slide rail 35 are the same as those of the first slide rail 31, both using screw transmission, which can achieve precise control of the transmission position.

[0052] Furthermore, a second slider 312 is sleeved inside the first slide rail 31. The second slider 312 is assembled at the rear end of the second slide rail 32. A screw 311 is screwed inside the second slider 312. A lead screw motor 313 is assembled on the outermost side of the screw 311. A first slider 310 is assembled inside the second slide rail 32. A connecting plate structure is welded to the top of the first slider 310. A first cylinder 38 is assembled on the top of the connecting plate. A lifting pipe 33 is assembled on the outer side of the top of the first cylinder 38. The lifting pipe 33 is connected to the first nozzle 34. A second cylinder 39 is assembled on the outer side of the first slider 310. The second cylinder 39 is assembled on the outermost side of the second slide rail 32.

[0053] It should be noted that the support rod 42 externally mounted on the first conveying device 5 for conveying spring drying is equipped with an installation groove 412. The installation groove 412 is used to hold excess paint generated during spraying. The four corners of the installation groove 412 are fitted onto the outer surface of the support rod 42 and are tightened and positioned by a set screw structure or bolt structure to recover excess paint. Radar ranging and laser ranging devices are mounted on the input end of the first conveying device 5 on the outside of the equipment housing 2. When the spring enters, the position and direction of the spring are recorded, thereby adjusting the position of the first nozzle 34 and the second nozzle 36 through a fixed program.

[0054] Furthermore, the adjustable base 4 includes a fixed plate 41, a support rod 42 welded to the top of the fixed plate 41, a collar 43 welded to the top of the support rod 42, a rotatable turbine 45 sleeved inside the collar 43, a second screw 410 screwed to the center of the turbine 45, and an adjusting shaft 411 welded to the outer end of the second screw 410. The first conveying device 5 also includes a drive motor 52, the output end of which passes through the interior of the adjusting shaft 411 and connects to the outer end of the spiral conveying roller 51. The structure of the second conveying device 53 is the same as that of the first conveying device 5. Before use, according to the size of the spring, the knob 49 can be rotated to drive the turbine 45 to rotate. It should be noted that the turbine 45 is driven by a worm gear 47. The worm gear structure is often used to transmit motion and power between two intersecting shafts. It is used to directly drive the turbine 45 to rotate using the worm gear 47, and its self-locking function locks the turbine 45 after adjustment, thereby ensuring that the second screw 410 will not be displaced. Furthermore, the second screw 410 is driven to move back and forth, thereby driving the adjusting shaft 411 to move inward or outward, thereby adjusting the spacing of the spiral conveying roller 51 to accommodate springs of different sizes.

[0055] In this embodiment, a sleeve 44 is welded inside the collar 43, and the sleeve 44 is fitted onto the outer surface of the turbine 45. A worm 47 meshes with the outer side of the turbine 45. The turbine 45 and worm 47 structure is a commonly used transmission structure in the prior art. The worm gear structure is often used to transmit motion and power between two intersecting shafts. The worm wheel and worm are equivalent to a gear and rack in their intermediate plane. The worm is also similar in shape to a screw, as shown in Figure 10. By rotating the knob 49, the worm 47 is driven to rotate. Utilizing the spiral structure on the outside of the worm 47, which is similar to a bolt thread, it can drive the annularly distributed grooves on the outer surface of the turbine 45 below to mesh, realizing the movement along the sleeve 44. Figure 10 The vertical rotation of the mid-section causes the thread at the center of the turbine 45 to rotate outside the second screw 410, achieving the back-and-forth displacement of the second screw 410 at the center of the turbine 45 through thread engagement. This is equivalent to the operation mode in the prior art where rotating the nut structure drives the bolt to change its position while the nut position remains unchanged. This achieves the purpose of adjusting the sliding displacement of the adjusting shaft 411 relative to the inner wall of the collar 43. That is, rotating the knob 49 can drive the adjusting shaft 411 to adjust its position. Furthermore, utilizing the characteristics of the worm gear, since the force of its worm transmission is less than the force of the turbine driving the worm to rotate, the worm gear has a self-locking function. In this valve, the turbine 45 and worm 47 structure not only drive the turbine 45 to rotate and thus drive the second screw 410, but also has a self-locking function. When the knob 49 is stopped, the turbine 45 is locked by the small-angle thread on the outside of the worm 47, achieving the function of saving effort during adjustment and self-locking when not adjusting.

[0056] Furthermore, a nut block 48 is welded to the outer end of the worm gear 47, and a knob 49 is welded to the outer end of the nut block 48. The nut block is easy to turn with a wrench, while the knob 49 has anti-slip textures evenly distributed on its exterior, allowing for direct manual anti-slip rotation of the knob 49.

[0057] Furthermore, the outer side of the adjusting shaft 411 has a limiting post structure, and the inside of the collar 43 has a sliding groove structure. The limiting post is sleeved inside the sliding groove structure. The outer side of the collar 43 near the second screw 410 has a through-hole 46. During adjustment, when the adjusting shaft 411 reaches the end of the inner wall of the collar 43, the second screw 410 will extend out from the through-hole 46 to avoid affecting the adjustment position of the adjusting shaft 411.

[0058] The adjusting shaft 411 is installed with the shaft-like structures at both ends of the screw conveyor roller, and bearings are assembled in the gap between the two.

[0059] Furthermore, a sliding frame 415 is mounted on the outside of the drive motor 52, and a mounting plate 414 is mounted on the bottom end of the sliding frame 415. The mounting plate 414 is mounted on the outside of the collar 43. The purpose of using a sliding drive motor 52 is that after adjustment by the adjustable base 4, when the spiral conveying roller used for transmission is displaced, the drive motor 52 can also move accordingly. While ensuring the displacement, the reverse torque of the drive motor 52 can be stabilized, thus ensuring the stability of the drive motor 52 and stabilizing the operation of the spiral conveying roller 51. A slot is provided on the upper surface of the collar 43 located between the first conveying device 5 and the second conveying device 53, and a guide frame 413 is mounted on the slot. Moreover, the pitch of the transmission spiral is equal to the outermost diameter of the spiral. Therefore, the spiral direction angle of transmission during use must be greater than the spiral direction angle of the spring. Thus, the spring will not engage with the gap of the spiral conveying roller 51. The most preferred solution is to feed the spring according to a fixed spiral direction, so that the transmission spring structure can be stabilized by only unidirectional rotation.

[0060] Furthermore, the drying hood 6 is internally equipped with a second conveying device 53. The drying hood 6 includes a housing 61, which is cylindrical and has a grooved inner wall. A spiral blade 63 is welded to the inner wall of the groove. A fixing rod 62 is fixed to the outer wall of the housing 61 and mounted on the inner wall of the drying chamber 23. An air inlet 62 is mounted at the front of the top of the housing 61, and an air outlet 63 is mounted at the rear of the bottom of the housing 61. A material feed port 64 is opened on the outer side of the housing 61. The drying hood 6 is used in paint spraying scenarios, but is not suitable for spraying rust-preventive oil. During use, hot air is introduced through the air inlet duct 64. After passing through the space inside the spiral blade 63, the hot air, influenced by the tangential input method and the spiral guidance of the spiral blade, forms a spiral rotating hot airflow on the outer surface of the sprayed spring. This enables a faster and more energy-efficient drying method for the spring. By wrapping the spring with the air inside, the spring can be dried more quickly and precisely, reducing drying power.

[0061] Furthermore, the outer surfaces of the first conveying device 5 and the second conveying device 53 are coated with an oleophobic coating at the positions where they contact the spring. The oleophobic coating can achieve a non-stick effect when conveying the coated spring. It is preferably polytetrafluoroethylene, but nano-scale materials can also be used for coating.

[0062] The top of the lifting pipe 33 and the top of the second nozzle 36 are both connected to the output end of the external spraying material supply equipment. The air inlet pipe 64 is connected to the output end of the external hot air blower, and the air outlet pipe 65 is connected to the input end of the external exhaust gas treatment equipment. Since the above supply equipment is all prior art, it is not described in detail in this invention.

[0063] Based on the aforementioned technical features, the working principle of the tie-dyeing device provided in this application in practical application scenarios is as follows:

[0064] In use, the spring is transported from the bottom to the upper surface of the spiral conveyor roller 51 via the vibrating feeding plate 1, and is moved forward by rotating in the same direction. When passing the spraying device 3, according to the material to be sprayed, the first nozzle 34 sprays from the front end of the spring for a certain period of time and then moves towards the first slide rail 31. After moving a certain distance, it sprays the fixed inside of the spring, while the second nozzle 36 sprays the outside of the spring by moving back and forth, so as to spray the inside and outside of the spring evenly, so as to achieve the best spraying effect with the minimum amount of spraying.

[0065] Unless otherwise specifically stated, the relative arrangement of components illustrated in these embodiments does not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0066] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0067] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0068] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0069] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0070] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A spraying device for spring processing, characterized in that, include: A vibrating feeder (1) for feeding spring racks has a first conveying device (5) at its output end. A spraying device (3) is provided above the first conveying device (5). A housing (2) is mounted on the top of the spraying device (3). An adjustable base (4) is mounted on the bottom surface of the inner side of the housing (2). The top of the adjustable base (4) is connected to the first conveying device (5). A second conveying device (53) is mounted on the output end of the first conveying device (5). A drying cover (6) is sleeved on the outside of the second conveying device (53). The drying cover (6) is mounted on the inner wall of the housing (2). The spraying device (3) includes a first slide rail (31), a second slide rail (32) and a third slide rail (35). The bottom end of the second slide rail (32) is slidably connected to a first nozzle (34) for spraying the outside of the spring through a slider structure. The bottom end of the third slide rail (35) is slidably connected to a second nozzle (36) for spraying the outside of the spring through a slider structure. The rear end of the second slide rail (32) is slidably connected to the first slide rail (31). The first slide rail (31) and the third slide rail (35) are fixedly connected to a fixing frame (37) on their exteriors. The fixing frame (37) is assembled inside the equipment housing (2). The first slide rail (31) is fitted with a second slider (312), which is fixedly connected to the rear end of the second slide rail (32). The second slider (312) is screwed with a screw rod (311), and a lead screw motor (313) is mounted on the outermost side of the screw rod (311). The second slide rail (32) is fitted with a first slider (310), and a connecting plate is welded to the top of the first slider (310). A first cylinder (38) is mounted on the top of the connecting plate. The first cylinder (38) is fitted with a lifting tube (33), which passes through the connecting plate and the first slider (310) and is connected to the first nozzle (34). The second slide rail (32) is fitted with a second cylinder (39) on the outer side away from the second slider (312), and the second cylinder (39) is connected to the first slider (310). The first conveying device (5) includes a pair of spiral conveying rollers (51); the adjustable base (4) includes a fixed plate (41), a support rod (42) is welded to the top of the fixed plate (41), a collar (43) is welded to the top of the support rod (42), a rotatable turbine (45) is sleeved inside the collar (43), a second screw (410) is screwed to the center of the turbine (45), an adjusting shaft (411) is welded to the outer end of the second screw (410), the first conveying device (5) also includes a drive motor (52), the output end of the drive motor (52) passes through the interior of the adjusting shaft (411) and is connected to the outer end of the spiral conveying roller (51); the structure of the second conveying device (53) is the same as that of the first conveying device (5); The collar (43) has a sleeve (44) welded inside, which is sleeved on the outer surface of the turbine (45). The turbine (45) has a worm (47) meshing on its outer side. A nut block (48) is welded to the outer end of the worm (47), and a knob (49) is welded to the outer end of the nut block (48). A mounting groove (412) is mounted on the support rod (42) below the first conveying device (5). The mounting groove (412) is used to hold excess paint generated during spraying.

2. The spraying equipment for spring processing according to claim 1, characterized in that: The adjusting shaft (411) has a limiting post on the outside, and the collar (43) has a sliding groove structure inside. The limiting post is sleeved inside the sliding groove structure, and the collar (43) has a through outlet (46) on the outside near the second screw (410).

3. The spraying equipment for spring processing according to claim 1, characterized in that: The drive motor (52) is equipped with a sliding frame (415) on its outside. The bottom end of the sliding frame (415) is equipped with a mounting plate (414), which is mounted on the outside of the collar (43). The upper surface of the collar (43) located between the first conveying device (5) and the second conveying device (53) is provided with a slot, and a guide frame (413) is mounted on the slot.

4. The spraying equipment for spring processing according to claim 1, characterized in that: The drying outer cover (6) includes a shell (61), which is cylindrical, and the inner wall of the shell (61) is welded with spiral blades (63); the outer wall of the shell (61) is assembled to the inner wall of the drying box (23) by a fixing rod (62); an air inlet pipe (64) is assembled at the front of the top of the shell (61), and an air outlet pipe (65) is assembled at the rear of the bottom of the shell (61).

5. The spraying equipment for spring processing according to claim 1, characterized in that: The outer surfaces of the first conveying device (5) and the second conveying device (53) are coated with an oleophobic coating at the contact points with the spring.

6. The spraying equipment for spring processing according to claim 1, characterized in that: The equipment housing (2) includes a paint spraying box (21) outside the first conveying device (5) and a drying box (23) outside the second conveying device (53), and a dustproof connecting box (22) is installed between the paint spraying box (21) and the drying box (23).

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