Sofa metal accessory processing device

Abstract

The invention relates to the technical field of metal processing, and discloses a sofa metal accessory processing device which comprises a base, a supporting seat is fixedly connected to the side wall of the base, an abrasive container is fixedly connected to the interior of the supporting seat, a protective shell is slidably connected to the top of the base, and a clamping mechanism is rotatably connected to the interior of the protective shell. The side wall of the abrasive container is fixedly communicated with an electric control rotary nozzle, a dispersing column, a first fillet block and a second fillet block are driven to synchronously move by matching with rotation of a gear, so that the abrasive is uniformly distributed, blockage is prevented, the first fillet block and the second fillet block scatter the abrasive from two opposite directions, and the service life of the abrasive is prolonged. According to the feeding device, the agglomeration phenomenon of the grinding materials is effectively avoided, the distribution uniformity of the grinding materials in the grinding material container is improved, the risk of blockage is reduced, and the centrifugal scattering feeding assembly is beneficial to improving the working environment of the feeding device and the grinding material container and prolonging the service life of the feeding device and the grinding material container.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, in particular to a sofa metal accessories processing device. Background Art

[0002] The sofa metal parts processing device sprays abrasives onto the surface of metal parts through a nozzle for grinding. This spraying method can effectively remove dirt, oxide layers and other unwanted substances on the metal surface, making the metal surface smooth and flat, thereby improving the quality and appearance of metal parts.

[0003] First, in the feeding process of the existing sofa metal parts processing device, the abrasives are easy to gather and block the abrasive container. This is because the abrasives have a granular structure. Without sufficient stirring or disturbance, the particles are easy to rub and adhere to each other, forming agglomeration, which leads to blockage of the feed port or internal space.

[0004] Secondly, during the grinding process, the existing sofa metal accessories processing device usually rotates the workpiece at a constant speed to ensure that the surface of the metal accessories is evenly polished. However, due to the uneven surface of the sofa metal accessories, some raised areas will be over-polished during the grinding process, while the sunken areas will be insufficiently polished. This uneven grinding not only affects the appearance of the metal accessories, but also destroys the flatness of the surface and even damages the metal structure. The over-polished areas will have problems such as metal thinning and reduced strength, while the insufficiently polished areas will have residual rough particles or oxides, affecting the subsequent surface treatment effect.

[0005] In addition, during the grinding process, the contact between the abrasive and the nozzle is inevitable, so the wear of the nozzle becomes an important issue that needs attention. Although the existing technology has reduced the degree of wear by optimizing the nozzle material, the nozzle will still suffer a certain degree of wear in actual use. The wear of the nozzle not only affects the performance and life of the nozzle, but also causes its shape and size to change. As a key component of abrasive jetting, the shape and size of the nozzle have an important influence on the jetting effect. Once the nozzle is worn, its original geometric shape and dimensional accuracy will not be guaranteed, resulting in changes in the jet flow field. This change will make it impossible for the abrasive to be sprayed evenly onto the surface of the metal accessories to be processed, resulting in insufficient or excessive grinding in some areas, affecting the final grinding effect.

[0006] Secondly, as the nozzle wears, its inner wall becomes rough, which increases the flow resistance of the abrasive in the nozzle and causes the abrasive to clog or accumulate inside the nozzle. These phenomena will reduce the nozzle's spraying efficiency, making the processing device take longer to complete the grinding task, thereby reducing work efficiency.

[0007] In addition, the impact and friction of the abrasive on the nozzle will cause stress inside the nozzle. As the nozzle wears, these stress distributions become more uneven and may even cause fatigue fracture or cracking of the nozzle. This failure mode will not only lead to the premature scrapping of the nozzle, but also pose a threat to the safety of the entire processing device.

[0008] Therefore, a sofa metal accessories processing device is proposed. Summary of the invention

[0009] The object of the present invention is to provide a sofa metal accessories processing device to solve the problems raised in the above background technology.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sofa metal accessories processing device, used to improve the uniform fluidity of abrasives during the feeding process, comprising a base, a support seat is fixedly connected to the side wall of the base, an abrasive container is fixedly connected to the inside of the support seat, a protective shell is slidably connected to the top of the base, a clamping mechanism is rotatably connected to the inside of the protective shell, an electrically controlled rotating nozzle is fixedly connected to the side wall of the abrasive container, a centrifugal breaking and feeding component is arranged inside the abrasive container for uniformly feeding the abrasive and preventing it from being blocked inside the abrasive container and the electrically controlled rotating nozzle, a speed change shifting component is arranged above the base for distinguishing the concave and convex surfaces of the sofa metal accessories and moving the clamping mechanism to the corresponding position according to feedback, and an anti-wear component is arranged inside the electrically controlled rotating nozzle for reducing the wear of the abrasive on the electrically controlled rotating nozzle.

[0011] Preferably, the centrifugal disintegration feeding assembly includes a spur gear connecting rod, which is rotatably connected to the inside of the support seat, and the inside of the abrasive container is rotatably connected to a mating gear, and the outer surface of the mating gear is symmetrically fixed with rubber strips for reducing the wear between the spur gear connecting rod and the support seat, and the mating gear and the spur gear connecting rod are meshed with each other, and the mating gear is penetrated through the surface of the mating gear and is provided with a plurality of dispersion grooves arranged in a circular manner and at equal intervals, and the top of the mating gear is fixedly connected to a dispersion column, and the top edge of the dispersion column is fixedly connected to a plurality of first fillet blocks arranged in a circular manner and at equal intervals, and the bottom edge of the dispersion column is fixedly connected to a plurality of second fillet blocks arranged in a circular manner and at equal intervals.

[0012] Preferably, the speed shifting assembly includes an electric push rod, which is fixedly connected to the bottom of the spur gear connecting rod, and a slide groove is provided on the upper surface of the base. Two receiving shafts are arranged above the slide groove. The receiving shaft located at the bottom is slidably connected to the inside of the electric push rod, and the receiving shaft located at the top is fixedly connected to the bottom of the clamping mechanism. The ends of the two receiving shafts that are close to each other are fixedly connected with a rotating gear, and a sliding shaft is provided on the upper surface of the base away from the rotating gear, and the outer surface of the sliding shaft is symmetrically slidably connected with a first pull ring connecting rod.

[0013] Preferably, the speed shifting assembly also includes two second pull-ring connecting rods, which are respectively rotatably connected to the outer surface of the receiving shaft, and a tension spring is fixedly connected between each pair of the second pull-ring connecting rods and the first pull-ring connecting rods. The second pull-ring connecting rods are slidably connected to the inside of the protective shell, and the outer surface of the sliding shaft is annular and equidistant and symmetrically arranged and fixedly connected to a plurality of rotating seats, and the inner surfaces of the rotating seats are rotatably connected to rotating rods, and the ends of the rotating rods away from the rotating seats are rotatably connected to tooth columns, and a toothed belt is transmission-connected between the plurality of tooth columns and the rotating gears.

[0014] Preferably, the anti-wear component includes a plurality of buffer springs, and the plurality of buffer springs are arranged in a ring-like and equidistant manner and fixedly connected to the inner wall of the electrically-controlled rotating nozzle; the ends of the buffer springs away from the inner wall of the electrically-controlled rotating nozzle are fixedly connected to a guide plate; the plurality of guide plates penetrate the surface and are arranged in a rectangular and equidistant manner and are provided with a plurality of guide holes; the electrically-controlled rotating nozzle is slidably connected to the inside of the protective shell; the outer surface of the electrically-controlled rotating nozzle is symmetrically fixedly connected to a light analyzer, and the light analyzer is electrically connected to an external controller.

[0015] Preferably, the edge portion of the mating gear gradually shrinks toward the center of the circle, which is specifically manifested in that the edge portion is raised and the center portion is relatively low, the bottom and top of the dispersion column both tend to gradually shrink upward, the first fillet block and the second fillet block are symmetrically centered on the edge of the dispersion column, the long side of the first fillet block is inclined toward the side away from the dispersion column, and the long side of the second fillet block is also inclined toward the side away from the dispersion column, the spur gear connecting rod is drivingly installed on an external motor, and the external motor is electrically controlled to start and stop by an external controller.

[0016] Preferably, the electric push rod is electrically controlled to start and stop by an external controller, several of the gear columns are meshed with the toothed belts, the rotating gear is meshed with the toothed belts, the inclination directions of the rotating rod located above and the rotating rod located below are consistent, and a parallelogram structure is formed between the rotating rod located above, the rotating rod located below, the gear columns and the sliding shaft.

[0017] Preferably, the guide plate is inclined, and its inclination direction is the same as the flow direction of the abrasive, the bottom of the guide plate gradually becomes flat, and the bottom of the guide plate has a rounded transition, and the guide hole is inclined, and the angle between its inclination angle and the guide plate is forty-five degrees.

[0018] Preferably, the clamping mechanism consists of a clamping base plate, a driving cylinder and a clamping claw, the clamping base plate is fixedly connected to the inner surface of the protective shell, the driving cylinder is fixedly connected to the upper surface of the clamping base plate, the clamping claw is fixedly connected to the outer surface of the telescopic shaft of the driving cylinder, and the driving cylinder is electrically controlled to start and stop by an external controller.

[0019] Preferably, the abrasive container is externally connected to a drive system, which is electrically controlled and started by an external controller. The drive system includes an air compressor, a pneumatic valve and an air duct. The air compressor is fixedly connected to the outer surface of the abrasive container, the air duct is fixedly connected between the air compressor and the abrasive container, the pneumatic valve is fixedly connected to the outer surface of the abrasive container, and the rotation of the electrically controlled rotating nozzle is electrically controlled by the external controller.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By coordinating the rotation of the gear, the dispersion column, the first fillet block and the second fillet block are driven to move in coordination, thereby achieving uniform distribution of the abrasive and preventing clogging. The first fillet block and the second fillet block break up the abrasive from two opposite directions, effectively reducing the agglomeration of the abrasive, which not only improves the uniformity of the distribution of the abrasive in the abrasive container, but also further reduces the risk of clogging. The centrifugal breaking up of the feed assembly helps to improve the working environment of the feed device and the abrasive container and extend the service life. This makes the device run more smoothly, and the noise and vibration are also reduced accordingly, thereby improving the working environment. At the same time, the dispersion column, the first fillet block and the second fillet block will not rub against the abrasive container, thereby reducing the wear of the device and extending the service life.

[0022] Because the mating gear has a high edge and a low center, it can form a natural guide path when rotating, guiding the abrasive to flow from the edge to the center. This makes the edge of the mating gear bulge, and the abrasive is more easily pushed to the center under the action of centrifugal force, thereby increasing the uniformity of the distribution of the abrasive on the surface of the mating gear. Secondly, the center of the mating gear is relatively low, which is conducive to the accumulation of abrasive in the center area and smoothly falling into the bottom of the abrasive container, reducing the residence time of the abrasive on its surface and reducing the risk of clogging. Furthermore, the mating gear not only improves the flow efficiency of the abrasive, but also helps to achieve a more efficient feeding process.

[0023] Because the long sides of the first fillet block and the second fillet block are inclined and symmetrical to each other, the rotation of the first fillet block and the second fillet block during the feeding process can generate a greater disturbance force, effectively breaking up the agglomerated abrasive. Since the first fillet block and the second fillet block are symmetrical to each other, the disturbance forces they generate complement each other to form an all-round disturbance field, so that the rotation of the first fillet block and the second fillet block not only enhances the disturbance force, but also expands the disturbance range, so that the abrasive is more fully and evenly distributed inside the abrasive container. At the same time, the inclined long sides of the first fillet block and the second fillet block can also guide the abrasive to flow in a specific direction, further reducing the possibility of blockage.

[0024] The upward contraction of the top of the dispersion column can reduce the accumulation of abrasives on the top of the dispersion column, reducing the risk of blockage caused by accumulation, while the upward contraction of the bottom of the dispersion column is conducive to the smooth flow of abrasives under the dispersion column, reducing flow resistance, thereby improving the fluidity of the abrasive and helping to keep the dispersion column clean, reducing performance degradation caused by abrasive residue. At the same time, the upward contraction of the top and bottom can also enhance the structural strength of the dispersion column, improve its durability, and extend its service life.

[0025] 2. The laser reflection is analyzed by the light analyzer to accurately determine the concave and convex surface of the sofa metal accessories, and the telescopic movement of the electric push rod is controlled, thereby changing the transmission efficiency of the toothed belt and adjusting the position of the clamping mechanism relative to the electric control rotating nozzle. This enables the electric control rotating nozzle to more accurately grind the concave and convex surfaces of metal accessories, avoiding excessive grinding of raised areas and insufficient grinding of recessed areas, and improving the uniformity and quality of grinding. In addition, the light analyzer can also help the external controller to electrically control the start and stop of the speed change and position change component parts, and realize the dynamic adjustment of the speed and position of the metal accessories, thereby improving the grinding efficiency. Since the electric control rotating nozzle can be closer to the surface of the metal accessories, the waste of abrasive is reduced, while the grinding speed is increased, the production cost is reduced, and the production cycle is shortened.

[0026] Compared with the prior art that can only grind at a fixed speed and angle, the speed change and position change assembly uses a light analyzer to determine the concave and convex surface of the metal accessories, and adjusts the speed and position of the metal accessories in real time, achieving precise grinding of the concave and convex surface, greatly improving the grinding quality and efficiency. The setting of several tooth columns provides more uniform and stable power transmission, and the synchronous extension and contraction of each tooth column jointly bears the force and movement from the toothed belt drive, ensuring the uniformity and stability of power transmission and reducing the problem of grinding quality. The mutual engagement between the tooth column, the rotating gear and the toothed belt forms a continuous power transmission path, ensuring the stable rotation of the sofa metal accessories during the processing process and achieving a uniform grinding effect. The parallelogram structure in the speed change and position change assembly maintains the stability of the shape during the external force and movement process, reduces the deformation or damage caused by vibration or impact, and ensures the stable operation of the entire processing device and the consistency of the grinding effect. The tension spring plays a role of buffering and shock absorption in the device, effectively absorbing the vibration and impact generated during the rotation of the workpiece and the jet abrasive grinding operation, reducing the damage to the device itself and extending the service life of the device. The fine-tuning ability of the tension spring allows the device to better adapt to sofa metal accessories of different shapes and sizes, improving the accuracy and effect of grinding.

[0027] 3. When the abrasive enters the electric-controlled rotating nozzle, the abrasive at the edge collides with the guide plate, and part of the abrasive converges toward the center under the guidance of the guide plate. The flow characteristics of the abrasive itself ensure that more abrasive can be concentrated and evenly sprayed onto the surface of the metal accessories to be processed. At the same time, the remaining abrasive continues to move obliquely toward the center through the guide hole, enhancing the uniformity and density of the spray. The anti-wear component not only improves the uniformity and accuracy of grinding, but also helps to reduce the performance degradation caused by wear of the electric-controlled rotating nozzle. Since the abrasive can be sprayed onto the surface of the metal accessories more evenly, insufficient or excessive grinding of some areas is avoided, thereby improving the grinding quality. In addition, the optimization of the internal structure of the electric-controlled rotating nozzle reduces the flow resistance of the abrasive, reduces the risk of blockage and accumulation, and improves the spraying efficiency and the working efficiency of the entire processing device.

[0028] The inclined guide plate not only effectively resists the abrasive at the edge, but also guides the abrasive to converge toward the center, making the abrasive flow more smoothly inside the electrically controlled rotating nozzle and improving the concentration of the abrasive flow. The gently transitioning rounded corners at the bottom of the guide plate reduce the flow resistance and promote the uniform distribution of the abrasive.

[0029] The buffer spring provides a flexible support and adjustment mechanism for the inside of the electronically controlled rotating nozzle. When the abrasive flows, the buffer spring can adaptively adjust according to the flow conditions and pressure changes to ensure the stability and reliability of the structure. The elastic characteristics of the spring can also absorb the impact of the abrasive on the inner wall and reduce the wear rate.

[0030] The 45-degree angle between the guide hole and the guide plate enables the guide hole to guide the abrasive obliquely toward the center and effectively cooperate with the guide plate to achieve uniform convergence and ejection of the abrasive. This moderate angle makes full use of the kinetic energy of the abrasive, allowing the abrasive to be fully dispersed and evenly distributed inside the electronically controlled rotating nozzle, improving the density and uniformity of the ejection, and helping to reduce blockage and accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a frontal perspective schematic diagram of the main structure of the present invention;

[0032] Figure 2 It is a rear perspective schematic diagram of the main structure of the present invention;

[0033] Figure 3 It is a cross-sectional stereoscopic schematic diagram of the main structure of the present invention;

[0034] Figure 4 For the present invention Figure 3 A magnified three-dimensional schematic diagram of the structure at center A;

[0035] Figure 5 For the present invention Figure 3 The enlarged three-dimensional schematic diagram of the structure at B in the middle;

[0036] Figure 6 For the present invention Figure 3 The enlarged three-dimensional schematic diagram of the structure at C in the middle;

[0037] Figure 7 For the present invention Figure 3 The enlarged three-dimensional schematic diagram of the structure at D in the middle;

[0038] Figure 8 It is a partially cutaway stereoscopic schematic diagram of the anti-wear component of the present invention;

[0039] Fig. 9 For the present invention Figure 8 The enlarged three-dimensional schematic diagram of the structure at E in the middle;

[0040] Fig.10 For the present invention Figure 8 Enlarged three-dimensional schematic diagram of the structure at F in the middle.

[0041] In the figure:

[0042] 11. Base; 12. Support seat; 13. Abrasive container; 14. Protective shell; 15. Clamping mechanism; 16. Electric-controlled rotating nozzle;

[0043] 2. Centrifugal breaking feed assembly; 21. Spur gear connecting rod; 22. Matching gear; 23. Dispersion tank; 24. Dispersion column; 25. First fillet block; 26. Second fillet block;

[0044] 3. Speed ​​change and shifting assembly; 31. Electric push rod; 32. Slide groove; 33. Support shaft; 34. Rotating gear; 35. Sliding shaft; 36. First pull ring connecting rod; 37. Tension spring; 38. Second pull ring connecting rod; 39. Rotating seat; 310. Rotating rod; 311. Tooth column; 312. Tooth belt;

[0045] 4. Anti-wear component; 41. Buffer spring; 42. Guide plate; 43. Guide hole;

[0046] 5. Light analyzer. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] See also Figures 1 to 10 The present invention provides an embodiment: a sofa metal accessories processing device, used for improving the uniform fluidity of abrasives during the feeding process, comprising a base 11, a support seat 12 is fixedly connected to the side wall of the base 11, an abrasive container 13 is fixedly connected inside the support seat 12, a protective shell 14 is slidably connected to the top of the base 11, a clamping mechanism 15 is rotatably connected inside the protective shell 14, an electrically controlled rotating nozzle 16 is fixedly connected to the side wall of the abrasive container 13, a centrifugal breaking and feeding component 2 is arranged inside the abrasive container 13 for uniformly feeding the abrasive and preventing it from being blocked inside the abrasive container 13 and the electrically controlled rotating nozzle 16, a speed change shifting component 3 is arranged above the base 11 for distinguishing the concave and convex surfaces of the sofa metal accessories and moving the clamping mechanism 15 to the corresponding position according to feedback, and an anti-wear component 4 is arranged inside the electrically controlled rotating nozzle 16 for reducing the wear of the abrasive on the electrically controlled rotating nozzle 16.

[0049] The centrifugal disintegration feeding assembly 2 includes a spur gear connecting rod 21, which is rotatably connected to the inside of the support seat 12. The inside of the abrasive container 13 is rotatably connected to a matching gear 22. The outer surface of the matching gear 22 is symmetrically fixed with rubber strips to reduce the wear between the spur gear connecting rod 21 and the support seat 12. The matching gear 22 is meshed with the spur gear connecting rod 21. The matching gear 22 is provided with a plurality of dispersion grooves 23 arranged in an annular manner and equidistantly throughout the surface. A dispersion column 24 is fixedly connected to the top of the matching gear 22. A plurality of first fillet blocks 25 are fixedly connected to the top edge of the dispersion column 24 in an annular manner and equidistantly arranged. A plurality of second fillet blocks 26 are fixedly connected to the bottom edge of the dispersion column 24 in an annular manner and equidistantly arranged.

[0050] The speed shifting assembly 3 includes an electric push rod 31, which is fixedly connected to the bottom of the spur gear connecting rod 21. A slide groove 32 is provided on the upper surface of the base 11, and two receiving shafts 33 are arranged above the slide groove 32. The receiving shaft 33 located at the bottom is slidably connected to the inside of the electric push rod 31, and the receiving shaft 33 located at the top is fixedly connected to the bottom of the clamping mechanism 15. The ends of the two receiving shafts 33 that are close to each other are fixedly connected to a rotating gear 34. A sliding shaft 35 is provided on the upper surface of the base 11 away from the rotating gear 34, and the outer surface of the sliding shaft 35 is symmetrically slidably connected to a first pull ring connecting rod 36.

[0051] The speed shifting assembly 3 also includes two second pull ring links 38, which are rotatably connected to the outer surface of the receiving shaft 33 respectively, and a tension spring 37 is fixedly connected between each pair of second pull ring links 38 and the first pull ring links 36. The second pull ring links 38 are slidably connected to the inside of the protective shell 14. The outer surface of the sliding shaft 35 is annular and equidistantly and symmetrically arranged and fixedly connected to a plurality of rotating seats 39. The inner surfaces of the rotating seats 39 are rotatably connected to rotating rods 310, and the ends of the rotating rods 310 away from the rotating seats 39 are rotatably connected to tooth columns 311, and a toothed belt 312 is transmission-connected between the plurality of tooth columns 311 and the rotating gear 34.

[0052] The anti-wear component 4 includes a plurality of buffer springs 41, which are arranged in a ring-like and equidistant manner and fixedly connected to the inner wall of the electrically controlled rotating nozzle 16. One end of the buffer spring 41 away from the inner wall of the electrically controlled rotating nozzle 16 is fixedly connected to a guide plate 42. The guide plates 42 penetrate the surface and are arranged in a rectangular and equidistant manner and are provided with a plurality of guide holes 43. The electrically controlled rotating nozzle 16 is slidably connected to the inside of the protective shell 14. The outer surface of the electrically controlled rotating nozzle 16 is symmetrically fixedly connected to a light analyzer 5, and the light analyzer 5 is electrically connected to an external controller.

[0053] The edge of the mating gear 22 gradually shrinks toward the center of the circle, which is specifically manifested in that its edge is raised while the center of the circle is relatively low. The bottom and top of the dispersion column 24 both tend to gradually shrink upward. The first fillet block 25 and the second fillet block 26 are symmetrically centered on the edge of the dispersion column 24. The long side of the first fillet block 25 is inclined toward the side away from the dispersion column 24, and the long side of the second fillet block 26 is also inclined toward the side away from the dispersion column 24. The spur gear connecting rod 21 is drivenly installed on an external motor, and the external motor is electrically controlled to start and stop by an external controller.

[0054] The electric push rod 31 is electrically controlled to start and stop by an external controller, a plurality of tooth columns 311 are meshed with the toothed belt 312, the rotating gear 34 is meshed with the toothed belt 312, the upper rotating rod 310 and the lower rotating rod 310 have the same inclination direction, and a parallelogram structure is formed between the upper rotating rod 310, the lower rotating rod 310, the tooth columns 311 and the sliding shaft 35.

[0055] The guide plate 42 is inclined, and its inclination direction is the same as the flow direction of the abrasive. The bottom of the guide plate 42 gradually becomes flat, and the bottom of the guide plate 42 has a rounded transition. The guide hole 43 is inclined, and the angle between its inclination angle and the guide plate 42 is forty-five degrees.

[0056] The clamping mechanism 15 is composed of a clamping base plate, a driving cylinder and a clamping claw. The clamping base plate is fixedly connected to the inner surface of the protective shell 14, the driving cylinder is fixedly connected to the upper surface of the clamping base plate, and the clamping claw is fixedly connected to the outer surface of the telescopic shaft of the driving cylinder. The driving cylinder is electrically controlled to start and stop by an external controller.

[0057] The abrasive container 13 is externally connected to a driving system, which is electrically controlled and started by an external controller. The driving system includes an air compressor, a pneumatic valve and an air pipe. The air compressor is fixedly connected to the outer surface of the abrasive container 13, the air pipe is fixedly connected between the air compressor and the abrasive container 13, the pneumatic valve is fixedly connected to the outer surface of the abrasive container 13, and the rotation of the electrically controlled rotating nozzle 16 is electrically controlled by the external controller.

[0058] The working principle of the present invention in combination with the above is as follows:

[0059] The following is the initial state: the receiving shaft 33 located at the bottom is now located on the side of the slide groove 32 away from the tension spring 37, the tension spring 37 is not compressed, the electric push rod 31 is not in a stretched state, the plurality of tooth columns 311 are not in an expanded state, the buffer spring 41 is not compressed, and the bottom of the sliding shaft 35 is not in contact with the top of the base 11.

[0060] The following are the specific steps of the work:

[0061] Among them, the clamping and fixing of sofa metal accessories:

[0062] like Figure 1 and Figure 2As shown, the operator opens the top of the protective shell 14 and places the sofa metal accessories to be processed on the top of the clamping mechanism 15. Then the operator closes the top of the protective shell 14 and operates the external controller to electrically control the clamping mechanism 15 to start. At this time, after the driving cylinder receives the electrical signal, its telescopic shaft extends toward the center of the clamping mechanism 15, and the telescopic shaft of the driving cylinder will drive the clamping claws to move synchronously until the clamping claws clamp the sofa metal accessories. At this time, the operator operates the external controller and electrically controls the clamping mechanism 15 to close.

[0063] Among them, uniform feeding of abrasive:

[0064] like Figure 3 , Figure 4 as well as Figure 7 As shown, the operator manually controls the external controller and electrically controls the external motor to start. At this time, the output shaft of the external motor rotates to drive the spur gear connecting rod 21 to rotate, and the spur gear connecting rod 21 drives the mating gear 22 meshing with it to rotate. Then the operator puts the abrasive into the abrasive container 13 from the top of the abrasive container 13.

[0065] When the abrasive enters the abrasive container 13, the abrasive will contact the top of the dispersion column 24. Since the matching gear 22 is in a rotating state at this time, the matching gear 22 drives the dispersion column 24, the first fillet block 25, and the second fillet block 26 fixedly connected thereto to rotate synchronously. In this process, the rotation of the dispersion column 24 generates centrifugal force, and the contracted shape of the top of the dispersion column 24 enables the abrasive to be effectively thrown to the edge. The rotation of the dispersion column 24 not only generates centrifugal force, but also the shape characteristics of the dispersion column 24 achieve uniform dispersion of the abrasive, laying a good foundation for subsequent abrasive flow and processing.

[0066] In the process of the abrasive being thrown to the edge, since the first fillet block 25 is symmetrically centered with the edge of the dispersion column 24 and its long side is inclined toward the side away from the dispersion column 24, the first fillet block 25 can effectively break up the gathered abrasive during rotation to prevent it from forming clumps or blockages. Through the breaking up effect of the first fillet block 25, the abrasive can be more evenly distributed on the surface of the mating gear 22, providing favorable conditions for the subsequent spraying process.

[0067] Subsequently, the abrasive will fall on the surface of the mating gear 22. Since the edge of the mating gear 22 is raised and the center is relatively low, the abrasive is more evenly distributed on the surface of the mating gear 22 under the guidance of the shape characteristics of the mating gear 22. At the same time, it also facilitates the abrasive to fall into the bottom of the abrasive container 13 through the dispersion groove 23. At this time, part of the abrasive falls from the dispersion groove 23 to the bottom of the abrasive container 13 under the action of centrifugal force and the shape guidance of the mating gear 22.

[0068] In the above steps, when the mating gear 22 rotates, the second fillet block 26 can break up the abrasive on its surface again to ensure the uniform distribution of the abrasive on the surface of the mating gear 22. At the same time, due to the guiding effect of the dispersion column 24 and the shape of the mating gear 22 itself, the abrasive that has not fallen through the dispersion groove 23 will be further broken up by the second fillet block 26 and guided to a suitable position. Therefore, the breaking ability of the first fillet block 25 and the second fillet block 26 not only avoids the blockage and accumulation of the abrasive, but also improves the fluidity of the abrasive inside the nozzle, ensuring the uniform spraying of the abrasive.

[0069] Among them, the surface treatment of sofa metal accessories:

[0070] like Figure 1 and Figure 2 As shown, at this time, the operator controls the external control to start the electrically controlled drive system, and electrically controls the electrically controlled rotating nozzle 16 to rotate at multiple angles according to a predetermined program. At this time, the air compressor starts to work, and a large amount of compressed air is delivered to the bottom of the abrasive container 13 through the air pipe, and the pneumatic valve controls the flow and direction of the air to ensure that the abrasive can be driven and transported in a preset manner.

[0071] When the compressed air enters the bottom of the abrasive container 13, its powerful airflow produces a driving effect on the abrasive. The abrasive is rapidly stirred and moves upward under the action of the airflow, forming a dynamic abrasive flow, and the abrasive flow gradually approaches the electrically-controlled rotating nozzle 16. Due to the continuous push of the compressed air, the abrasive is endowed with extremely high speed and force, and then the abrasive is ejected at high speed through the electrically-controlled rotating nozzle 16, forming a dense jet beam.

[0072] When the jet beam hits the surface of the sofa's metal accessories, the abrasive not only removes the dirt and oxide layer on the metal surface under the action of the strong impact force, but also effectively grinds and polishes it.

[0073] Among them, the wear of the inner wall of the electrically controlled rotating nozzle 16 by the abrasive is reduced:

[0074] like Figure 8 and Fig. 9 As shown, in the process of the abrasive being ejected through the electrically-controlled rotating nozzle 16, the abrasive will come into contact with the guide plate 42 at the edge. Since the guide plate 42 is inclined and has the same flow direction as the abrasive, the abrasive will be subjected to a guiding force consistent with the flow direction when it comes into contact with the guide plate 42. Under the action of this guiding force, the abrasive can converge toward the center along the inclined surface of the guide plate 42.

[0075] At the same time, when the abrasive contacts the guide plate 42 and applies pressure, the buffer spring 41 will use its elastic characteristics to compress, thereby providing a certain buffer space for the guide plate 42. The buffering effect not only reduces the direct impact of the abrasive on the inner wall of the electrically controlled rotating nozzle 16, but also enables the guide plate 42 to better play a guiding role. At the same time, the compression of the buffer spring 41 also generates a reverse supporting force. This supporting force works together with the guiding force of the abrasive, allowing the abrasive to flow more stably along the inclined surface of the guide plate 42.

[0076] As the abrasive continues to flow, part of the abrasive will reach the location of the guide hole 43. Since the spatial angle between the guide hole 43 and the guide plate 42 is forty-five degrees, and the forty-five-degree angle is neither too steep nor too flat, the abrasive can fully utilize its kinetic energy when contacting the guide hole 43 to achieve more uniform dispersion and convergence.

[0077] Under the action of the angle, the guide hole 43 can continue to guide the abrasive obliquely toward the center. When the abrasive contacts the guide hole 43, it will also be subjected to a guiding force consistent with the flow direction. This guiding force works together with the guiding force of the guide plate 42, allowing the abrasive to converge toward the center more smoothly.

[0078] Finally, the abrasive is ejected from the electrically controlled rotating nozzle 16 and collides and contacts with the metal accessories of the sofa.

[0079] Among them, the position adjustment of the concave and convex surface of the sofa metal accessories:

[0080] like Figure 3 , Figure 5 and Figure 6 As shown, it can be known from the above steps that when the surface of the sofa metal accessories is treated, the external motor has been started, and the spur gear connecting rod 21 is driven by the output shaft of the external motor, and then the electric push rod 31 at the bottom of the spur gear connecting rod 21 also rotates synchronously, and the electric push rod 31 drives the sliding shaft 35 to rotate, and the sliding shaft 35 drives the toothed belt 312 through the rotating seat 39, the rotating rod 310 and the tooth column 311 on the surface, and then under the transmission action of the toothed belt 312, the rotating gear 34 also rotates synchronously, and the rotation of the rotating gear 34 will drive the clamping mechanism 15 on the top thereof to rotate synchronously, that is, at this time, the sofa metal accessories clamped by the clamping mechanism 15 also rotate synchronously.

[0081] When the electrically-controlled rotating nozzle 16 faces the sofa metal accessories, the light analyzer 5 on the electrically-controlled rotating nozzle 16 projects light on the surface of the sofa metal accessories. When the light is concentrated to one point, the light analyzer 5 determines that the polished surface of the sofa metal accessories is a convex surface. Furthermore, the light analyzer 5 sends an electrical signal to the external controller, and the external controller then electrically controls the electric push rod 31 to extend. At this time, the telescopic end of the electric push rod 31 extends downward and pushes the sliding shaft 35 connected thereto to move synchronously.

[0082] Under the action of the parallelogram structure, since the sliding shaft 35 itself cannot move, the side of the parallelogram structure can only expand toward the side away from the sliding shaft 35, and then the expansion movement of the parallelogram causes the rotating rod 310 on the rotating seat 39 to rotate, and then drives the tooth column 311 connected thereto to expand toward the outside. Since the tooth columns 311 are provided in a plurality, the tooth columns 311 can jointly bear the force and movement transmitted by the toothed belt 312, thereby ensuring the uniformity and stability of power transmission.

[0083] As the tooth column 311 expands, since the length of the toothed belt 312 is fixed, in order to adapt to the expansion of the toothed column 311, the toothed belt 312 will move more of its length toward the side close to the toothed column 311, and then the meshing relationship between the toothed belt 312 and the rotating gear 34 will change, that is, the transmission efficiency of the toothed belt 312 will be reduced, and the rotation speed of the rotating gear 34 will be further slowed down. The reduction in the rotation speed of the rotating gear 34 will cause the clamping mechanism 15 thereon and the rotation speed of the sofa metal accessories clamped by the clamping mechanism 15 to be reduced synchronously.

[0084] Secondly, due to the change in the position of the toothed belt 312, the end of the toothed belt 312 away from the sliding shaft 35 will pull the rotating gear 34 toward the side close to the sliding shaft 35, and then the rotating gear 34 drives the receiving shaft 33 on its surface and the second pull ring connecting rod 38 on the surface of the receiving shaft 33 to move synchronously. At the same time, the receiving shaft 33 at the bottom slides inside the slide groove 32 toward the side close to the tension spring 37, and the movement of the receiving shaft 33 at the top will synchronously drive the clamping mechanism 15 fixedly connected to its top to move, and because the clamping mechanism 15 rotates in the protective shell 14, the protective shell 14 will also move synchronously.

[0085] In addition, during the movement of the second pull ring connecting rod 38, the tension spring 37 is compressed by the second pull ring connecting rod 38, and the tension spring 37 plays a key buffering and shock absorbing role due to its own elastic characteristics. During the rotation of the sofa metal accessories and the grinding process of the jet abrasive, the tension spring 37 can effectively absorb vibration and impact, reduce damage to the device itself, and extend the service life of the device. At the same time, the elastic effect of the tension spring 37 can also achieve fine-tuning of the position of the accessories, further improving the grinding accuracy and effect.

[0086] More specifically, the change in the length of the toothed belt 312 changes the position of the clamping mechanism 15 relative to the electrically controlled rotating nozzle 16, that is, the rotation speed of the sofa metal accessories is reduced, and the clamping mechanism 15 and the sofa metal accessories are now closer to the electrically controlled rotating nozzle 16, and the toothed belt 312 dynamically adjusts the rotation speed and position of the metal accessories.

[0087] Through this dynamic adjustment, the electrically controlled rotating nozzle 16 can be closer to the concave surface of the metal part, thereby improving the grinding accuracy and effect. At the same time, since the distance between the abrasive and the surface of the metal part is reduced, the utilization rate of the abrasive is also improved, reducing the production cost.

[0088] It can be seen from the above steps that when the concave surface of the sofa metal accessory faces the electrically controlled rotating nozzle 16, the light analyzer 5 will send an electrical signal to the external controller, which will eventually cause the rotation speed of the sofa metal accessory to decrease and the distance of the sofa metal accessory relative to the electrically controlled rotating nozzle 16 to become closer. Furthermore, when the light is scattered by the surface of the sofa metal accessory, the polished surface of the sofa metal accessory is convex. At this time, the light analyzer 5 will send an electrical signal to the external controller, and the external controller will electrically control the electric push rod 31 to retract.

[0089] It can be seen from the above steps that when the electric push rod 31 is extended, the tooth column 311 is in an expanded state, and then when the electric push rod 31 is contracted, the tooth column 311 will be in a contracted state, that is, at this time, several tooth columns 311 are close to the center of the sliding shaft 35. At this time, because the diameters of several tooth columns 311 are reduced compared to the diameters of several tooth columns 311 in the above steps, the toothed belt 312 is in a relaxed state. Furthermore, at this time, the tension spring 37 pushes the second pull ring connecting rod 38 to move toward the side away from the sliding shaft 35 under the action of its own elastic extension, and the toothed belt 312 is in a tensioned state here.

[0090] At the same time, the movement of the second pull ring connecting rod 38 causes the receiving shaft 33 to return to the side of the slide groove 32 away from the sliding shaft 35, that is, at this time, the distance between the sofa metal accessories and the electrically controlled rotating nozzle 16 becomes farther, and the contraction of several tooth columns 311 causes the transmission efficiency of the toothed belt 312 to increase, and then the rotation speed of the rotating gear 34 becomes faster, that is, the rotation speed of the clamping mechanism 15 becomes faster, and the rotation speed of the sofa metal accessories clamped on its surface also becomes faster synchronously.

[0091] More specifically, when the convex surface of the sofa metal accessories faces the electric-controlled rotating nozzle 16, the device can ensure that the abrasive can evenly cover the convex surface area and achieve uniform grinding by increasing the rotation speed of the sofa metal accessories and making the distance between the sofa metal accessories and the electric-controlled rotating nozzle 16 farther. By dynamically adjusting the position and rotation speed of the sofa metal accessories, the abrasive can act more effectively on the convex surface, avoiding the problem of over-grinding or insufficient grinding.

[0092] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sofa metal parts processing device, used for improving the uniform fluidity of abrasives during feeding, comprising a base (11), a support seat (12) fixedly connected to the side wall of the base (11), an abrasive container (13) fixedly connected inside the support seat (12), a protective shell (14) slidably connected to the top of the base (11), a clamping mechanism (15) rotatably connected inside the protective shell (14), and an electrically controlled rotating nozzle (16) fixedly connected to the side wall of the abrasive container (13), characterized in that: The abrasive container (13) is provided with a centrifugal breaking and feeding assembly (2) for uniformly feeding the abrasive and preventing the abrasive from being blocked inside the abrasive container (13) and the electrically controlled rotating nozzle (16); a speed change and position shifting assembly (3) is provided above the base (11) for distinguishing the concave and convex surfaces of the sofa metal accessories and moving the clamping mechanism (15) to a corresponding position according to feedback; and an anti-wear assembly (4) is provided inside the electrically controlled rotating nozzle (16) for reducing the wear of the abrasive on the electrically controlled rotating nozzle (16).

2. A sofa metal accessories processing device according to claim 1, characterized in that: The centrifugal scattering feed assembly (2) comprises a spur gear connecting rod (21), the spur gear connecting rod (21) is rotatably connected to the inside of the support seat (12), the inside of the abrasive container (13) is rotatably connected to a matching gear (22), the outer surface of the matching gear (22) is symmetrically fixed with rubber strips for reducing wear between the spur gear connecting rod (21) and the support seat (12), the matching gear (22) and the spur gear connecting rod (21) are meshed with each other, the matching gear (22) is provided with a plurality of dispersion grooves (23) arranged in an annular manner and at equal intervals through the surface, the top of the matching gear (22) is fixedly connected to a dispersion column (24), the top edge of the dispersion column (24) is fixedly connected to a plurality of first fillet blocks (25) arranged in an annular manner and at equal intervals, and the bottom edge of the dispersion column (24) is fixedly connected to a plurality of second fillet blocks (26) arranged in an annular manner and at equal intervals.

3. A sofa metal accessories processing device according to claim 2, characterized in that: The speed change shifting assembly (3) comprises an electric push rod (31), the electric push rod (31) is fixedly connected to the bottom of the spur gear connecting rod (21), the upper surface of the base (11) is provided with a slide groove (32), and two receiving shafts (33) are arranged above the slide groove (32), the receiving shaft (33) located at the bottom is slidably connected to the inside of the electric push rod (31), and the receiving shaft (33) located at the top is fixedly connected to the bottom of the clamping mechanism (15), and the ends of the two receiving shafts (33) that are close to each other are fixedly connected to a rotating gear (34), and a sliding shaft (35) is arranged on the upper surface of the base (11) away from the rotating gear (34), and the outer surface of the sliding shaft (35) is symmetrically slidably connected to a first pull ring connecting rod (36).

4. A sofa metal accessories processing device according to claim 3, characterized in that: The speed shifting assembly (3) further comprises two second pull ring connecting rods (38), the two second pull ring connecting rods (38) are respectively rotatably connected to the outer surface of the receiving shaft (33), a tension spring (37) is fixedly connected between each pair of the second pull ring connecting rods (38) and the first pull ring connecting rods (36), the second pull ring connecting rods (38) are slidably connected to the inside of the protective shell (14), the outer surface of the sliding shaft (35) is annularly equidistant and symmetrically arranged and fixedly connected to a plurality of rotating seats (39), the inner surfaces of the rotating seats (39) are rotatably connected to rotating rods (310), the ends of the rotating rods (310) away from the rotating seats (39) are rotatably connected to toothed columns (311), and a toothed belt (312) is transmission-connected between the plurality of toothed columns (311) and the rotating gear (34).

5. The sofa metal accessories processing device according to claim 1, characterized in that: The anti-wear component (4) comprises a plurality of buffer springs (41), the plurality of buffer springs (41) being arranged in an annular manner and fixedly connected to the inner wall of the electrically controlled rotating nozzle (16), the ends of the buffer springs (41) away from the inner wall of the electrically controlled rotating nozzle (16) being fixedly connected to a guide plate (42), the plurality of guide plates (42) penetrating the surface and being arranged in a rectangular manner and fixedly connected to the inner wall of the electrically controlled rotating nozzle (16) being provided with a plurality of guide holes (43), the electrically controlled rotating nozzle (16) being slidably connected to the interior of the protective shell (14), the outer surface of the electrically controlled rotating nozzle (16) being symmetrically fixedly connected to a light analyzer (5), the light analyzer (5) being electrically connected to an external controller.

6. A sofa metal accessories processing device according to claim 2, characterized in that: The edge of the mating gear (22) gradually shrinks toward the center of the circle, specifically, the edge is raised while the center of the circle is relatively low. The bottom and top of the dispersion column (24) both tend to shrink gradually upward. The first rounded corner block (25) and the second rounded corner block (26) are symmetrically centered around the edge of the dispersion column (24). The long side of the first rounded corner block (25) is inclined toward a side away from the dispersion column (24). The long side of the second rounded corner block (26) is also inclined toward a side away from the dispersion column (24). The spur gear connecting rod (21) is drivenly mounted on an external motor, and the external motor is electrically controlled to start and stop by an external controller.

7. The sofa metal accessories processing device according to claim 4, characterized in that: The electric push rod (31) is electrically controlled to start and stop by an external controller, a plurality of the tooth columns (311) are meshed with the toothed belt (312), the rotating gear (34) is meshed with the toothed belt (312), the rotating rod (310) located above and the rotating rod (310) located below have the same inclination direction, and a parallelogram structure is formed between the rotating rod (310) located above, the rotating rod (310) located below, the tooth columns (311) and the sliding shaft (35).

8. The sofa metal accessories processing device according to claim 5, characterized in that: The guide plate (42) is inclined, and its inclination direction is the same as the flow direction of the abrasive. The bottom of the guide plate (42) gradually becomes flat, and the bottom of the guide plate (42) has a rounded transition. The guide hole (43) is inclined, and the included angle between its inclination angle and the guide plate (42) is forty-five degrees.

9. The sofa metal accessories processing device according to claim 1, characterized in that: The clamping mechanism (15) is composed of a clamping base plate, a driving cylinder and a clamping claw. The clamping base plate is fixedly connected to the inner surface of the protective shell (14), the driving cylinder is fixedly connected to the upper surface of the clamping base plate, and the clamping claw is fixedly connected to the outer surface of the telescopic shaft of the driving cylinder. The driving cylinder is electrically controlled to start and stop by an external controller.

10. The sofa metal accessories processing device according to claim 1, characterized in that: The abrasive container (13) is externally connected to a drive system, the drive system being electrically controlled and started by an external controller, the drive system comprising an air compressor, a pneumatic valve and an air duct, the air compressor being fixedly connected to the outer surface of the abrasive container (13), the air duct being fixedly connected between the air compressor and the abrasive container (13), the pneumatic valve being fixedly connected to the outer surface of the abrasive container (13), and the rotation of the electrically controlled rotating nozzle (16) being electrically controlled by the external controller.

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