A furniture cabinet special-shaped plate surface polishing processing equipment

Abstract

The present application relates to the technical field of wood planing, and discloses furniture cabinet special-shaped plate surface polishing processing equipment, which comprises a base, a support table is fixedly connected above the base, a polishing mechanism is fixedly installed on the inner side of the support table, guide rails are fixedly connected on the two sides of the upper surface of the base, electric sliding blocks are slidingly connected to the inner walls of the guide rails, a back-shaped frame is arranged above the base, the two electric sliding blocks are fixedly connected to the two sides of the back-shaped frame, a supporting plate is slidingly connected to the upper side of the back-shaped frame, and a bidirectional clamping assembly is arranged on the upper surface of the back-shaped frame. Through the bidirectional clamping assembly, the traditional polishing equipment can only clamp the plane of the plate and cannot position the inclined edge of the trapezoidal special-shaped plate. Through the structure of step-by-step bidirectional clamping of the plane and the inclined plane, the special-shaped plate is formed in a full-range three-dimensional limiting mode, the horizontal displacement and rotational deviation in the plate polishing process can be effectively limited, and the positioning accuracy and clamping stability of the special-shaped plate polishing process are improved.

Description

Technical Field

[0001] This invention belongs to the field of wood planing technology, specifically relating to a surface sanding and processing equipment for irregularly shaped furniture cabinet panels. Background Technology

[0002] Irregularly shaped furniture panels are non-standard furniture processing base materials that differ from regular rectangular panels. Among them, trapezoidal panels are the most widely used type of irregularly shaped panel in custom furniture cabinet production, featuring a unique structure with two vertical planes on both sides and sloping surfaces on both sides. This type of panel is mainly used in the production of door panels, side panels, and shelves for custom-made whole-house furniture cabinets, light luxury style cabinets, and built-in cabinets, adapting to the personalized and differentiated cabinet design needs of home decoration. Surface sanding is the core process of panel finishing, directly determining the adhesion of the paint, the precision of splicing and bonding, and the overall appearance and texture of the cabinet. It is widely used in furniture manufacturing, whole-house customization, and woodworking finishing industries.

[0003] Existing furniture cabinet irregular-shaped panel sanding equipment is mainly used for standardized surface sanding operations on trapezoidal irregular-shaped panels for furniture cabinets. The conventional operation process begins with manual assisted loading. The operator neatly places the trapezoidal panel to be processed on the equipment's bearing station and aligns it. Then, the equipment's clamping structure positions and fixes the panel. After positioning, the moving mechanism precisely conveys the panel to the sanding area. The high-speed rotating sanding components uniformly sand and polish the panel surface. After the sanding process is completed, the conveying mechanism moves the processed panel to the unloading station, releases the panel from its fixed state, and collects it. The entire process is cyclical, completing the sanding and finishing of batches of trapezoidal panels.

[0004] When processing the surface of trapezoidal irregular-shaped panels for furniture cabinets using existing technology, since two sides of the trapezoidal panel are vertical planes and the other two sides are inclined planes, conventional panel clamping mechanisms can only clamp and position the parallel vertical planes during the grinding process. It is difficult to simultaneously fit the inclined planes of the panel, which easily leads to problems such as clamping slippage and panel skewing and displacement.

[0005] Therefore, the present invention provides a surface grinding and processing equipment for irregularly shaped furniture cabinet panels. Summary of the Invention

[0006] To overcome the shortcomings of the prior art: to solve at least one technical problem raised in the background art.

[0007] The technical solution adopted by this invention to solve its technical problem is as follows: A surface grinding and processing equipment for irregularly shaped furniture cabinet panels, comprising a base, a support platform fixedly connected above the base, a grinding mechanism fixedly installed on the inner side of the support platform, guide rails fixedly connected to both sides of the upper surface of the base, and electric sliders slidably connected to the inner walls of the guide rails. A U-shaped frame is provided above the base, with two electric sliders fixedly connected to both sides of the U-shaped frame. A support plate is slidably connected above the U-shaped frame. A two-way clamping assembly is provided on the upper surface of the U-shaped frame. The two-way clamping assembly can clamp both sides of the irregularly shaped panel and adaptably clamp the other two inclined surfaces of the panel. A locking assembly for the support plate is provided on one side of the U-shaped frame. The locking assembly can hook the support plate to complete the locking and limiting, preventing the support plate from resetting with the U-shaped frame. An unlocking assembly is provided on the other side of the U-shaped frame. The unlocking assembly can drive the locking assembly to release the support plate, thereby canceling the locking and limiting.

[0008] Preferably, a guard plate is fixedly connected to one side of the U-shaped frame, and an open plate is fixedly connected to the other side of the U-shaped frame. The outer wall of the support plate is slidably connected to the inner wall of the open plate. A slide rod frame is symmetrically fixedly connected to the inner side of the guard plate. The slide rod frame extends to one side of the U-shaped frame. The two sides of the support plate are fixedly connected to the outer wall of the slide rod of the slide rod frame. A spring is fixedly connected between the two sides of the support plate and the inner side of the guard plate.

[0009] Preferably, the bidirectional clamping assembly includes two anti-slip plates, each spanning the upper surface of the U-shaped frame. Slider blocks are fixedly connected to the bottom ends of both sides of the anti-slip plates. Slide grooves are symmetrically opened on both sides of the upper surface of the U-shaped frame. The sliders are slidably connected to the inner walls of the slide grooves. Telescopic rods are fixedly installed inside the slide grooves. The output ends of the telescopic rods are fixedly connected to one side of the sliders. A feeding trough is clamped on the surface of the base. A collection box is fixedly connected to the bottom of the feeding trough.

[0010] Preferably, the bidirectional clamping assembly further includes two sets of positioning posts. Each set of positioning posts has multiple posts arranged on the upper two sides of the U-shaped frame. Each positioning post has a connector fixedly connected to one side. Each connector has an adaptive sliding component below it. The adaptive sliding component can drive each positioning post to slide independently and adaptively, so that each positioning post adaptively fits the inclined side of the trapezoidal plate.

[0011] Preferably, multiple limiting slides are fixedly connected to both sides of the bottom of the U-shaped frame, and the bottom ends of multiple connectors are slidably connected to the inner walls of the limiting slides. A movable plate is symmetrically slidably connected to the bottom of the U-shaped frame, and a buffer spring is fixedly connected between one side of the bottom end of each connector and the movable plate. A drive component is provided at the bottom of the U-shaped frame to drive the two movable plates to move closer to each other.

[0012] Preferably, the drive assembly includes two motors, both of which are fixedly mounted on the bottom of the U-shaped frame. The output shafts of the motors are fixedly connected to double-port hinges. Both ends of the double-port hinges are hinged to hinge rods. One end of the hinge rod is hinged to a hinge seat. Side frame plates are fixedly connected to one side of the hinge seats. The side frame plates are respectively fixedly connected to one side of the movable plate.

[0013] Preferably, the locking assembly includes two hook plates, a second sliding groove is symmetrically provided on one side of the support plate, one end of the hook plate is slidably connected to the inner wall of the second sliding groove, a second spring is fixedly connected between the upper part of the hook plate and the inner wall of the second sliding groove, and a hook plate is symmetrically provided on the upper part of the base, with the positions of the hook plate and the hook plate corresponding to each other.

[0014] Preferably, a bearing seat is fixedly connected to the upper surface of the base, a rocker arm is hinged to the shaft of the bearing seat, hook plates are fixedly connected to the top two ends of the rocker arm, and a resisting block is attached to one side of the rocker arm, and the resisting block is fixedly connected to the upper surface of the base.

[0015] Preferably, the unlocking component includes a movable frame that is slidably connected to the top of the base. Both ends of the shaft of the bearing seat are fixedly connected to a rope reel, and the outer wall of the rope reel is wound with a steel wire. The end of the steel wire away from the rope reel is fixedly connected to the side of the movable frame.

[0016] Preferably, an L-shaped frame plate is symmetrically fixedly connected to one side of the base, and a spring three is fixedly connected between the side of the movable frame and the inner side of the L-shaped frame plate. The elastic coefficient of spring three is much greater than that of spring one, and a torsion spring is provided inside the shaft of the bearing seat.

[0017] The beneficial effects of this invention are as follows: 1. The furniture cabinet irregular panel surface grinding equipment of the present invention effectively solves the defects of traditional grinding equipment that can only clamp the flat surface of the panel and cannot adapt to the positioning of the inclined side of trapezoidal irregular panels, which is prone to clamping slippage and processing deviation. Relying on the anti-slip plate and multiple sets of adaptive positioning columns, during operation, the anti-slip plates on both sides slide towards each other to clamp the flat side of the panel, completing the lateral limit. Then, through the bottom drive component and buffer spring, each positioning column is driven to slide independently and differentially according to the gradual angle of the inclined side of the panel, adaptively conforming to the inclined surface of the panel. Through the step-by-step two-way clamping structure of the flat surface and the inclined surface, the irregular panel is formed to form an all-round three-dimensional limit, which can effectively limit the horizontal displacement and rotational deviation of the panel during the grinding process, and improve the positioning accuracy and clamping stability of the irregular panel grinding process.

[0018] 2. The furniture cabinet irregular board surface grinding processing equipment of the present invention, through the locking assembly, relies on the inclined cooperation structure of the hook plate and the latching hook plate. When the frame and the support plate are fed to the grinding station, the hook plate is automatically moved by the inclined compression spring. After it is in place, the spring rebounds to complete the self-locking. At the same time, the resistance block restricts the rotation of the swinging part, avoiding the problem of the latching hook plate being forced to move back, loosening and disengaging. Through this locking structure, the support plate position can be fixed after grinding, so that the U-shaped frame can be reset and slid independently, forcing the board to detach from the support table and reset with the frame. This provides a stable structural foundation for the subsequent automatic unloading process and ensures smooth process connection.

[0019] 3. The furniture cabinet irregular board surface grinding and processing equipment of the present invention, through the unlocking component, after the equipment is unloaded, relies on the mechanical displacement of the continuous leftward movement of the return frame to push the movable frame, pull the steel wire to drive the winding rope and the swinging component to rotate, drive the hook plate to swing down and make room, automatically release the locking limit on the support plate. After unlocking, through the synergistic action of the spring three and the shaft torsion spring, the unlocking structure is quickly reset, allowing the support plate to return to the initial state synchronously with the frame, greatly improving the processing efficiency of the equipment and reducing the labor operation cost. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a perspective view of the entire invention; Figure 2 This is a schematic diagram of the structure at the guide rail in this invention; Figure 3 This is a schematic diagram of the structure of the loop-shaped frame in this invention; Figure 4 This is a schematic diagram of the support plate structure in this invention; Figure 5 This is a schematic diagram of the anti-slip plate structure in this invention; Figure 6 This is a schematic diagram of the structure at the positioning post in this invention; Figure 7 This is a schematic diagram of the structure of the motor in this invention; Figure 8 This is a schematic diagram of the hook plate structure in this invention; Figure 9 This is a schematic diagram of the bearing housing structure in this invention; Figure 10 This is a schematic diagram of the steel wire structure in this invention.

[0022] In the diagram: 1. Base; 2. Support platform; 3. Grinding mechanism; 4. Guide rail; 5. Electric slider; 6. U-shaped frame; 7. Support plate; 8. Guard plate; 9. Opening plate; 10. Slide bar frame; 11. Spring 1; 12. Anti-slip plate; 13. Slide groove 1; 14. Slider; 15. Telescopic rod; 16. Positioning post; 17. Connector; 18. Limiting slide; 19. Buffer spring; 20. Moving plate ; 21. Motor; 22. Double-port hinge; 23. Hinge connecting rod; 24. Hinge seat; 25. Side frame plate; 26. Hook plate; 27. Slide groove II; 28. Spring II; 29. ​​Hook plate; 30. Swinging component; 31. Bearing seat; 32. Resistance block; 33. Rope reel; 34. Steel wire; 35. Movable frame; 36. L-shaped frame plate; 37. Spring III; 38. Discharge chute; 39. Collection box. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 10 As shown, the present invention provides a technical solution: a surface grinding and processing device for irregularly shaped furniture cabinet panels, including a base 1, a support platform 2 fixedly connected above the base 1, a grinding mechanism 3 fixedly installed on the inner side of the support platform 2, guide rails 4 fixedly connected to both sides of the upper surface of the base 1, electric sliders 5 slidably connected to the inner walls of the guide rails 4, a U-shaped frame 6 provided above the base 1, two electric sliders 5 respectively fixedly connected to both sides of the U-shaped frame 6, and a support plate 7 slidably connected above the U-shaped frame 6. The upper surface of the shaped frame 6 is provided with a two-way clamping component. The two-way clamping component can clamp both sides of the irregularly shaped plate and the other two inclined surfaces of the plate. One side of the shaped frame 6 is provided with a locking component for the support plate 7. The locking component can hook the support plate 7 to complete the locking limit, so that the support plate 7 does not reset with the shaped frame 6. The other side of the shaped frame 6 is provided with an unlocking component. The unlocking component can drive the locking component to release the support plate 7, thereby canceling the locking limit.

[0025] During operation: The device is suitable for surface sanding of trapezoidal irregular-shaped panels for furniture cabinets; two sides of this type of trapezoidal panel are vertical planes and the other two sides are inclined planes. During the sanding operation, conventional panel clamping mechanisms can only clamp and position the parallel vertical planes, and it is difficult to simultaneously fit the inclined planes of the panel, which can easily lead to clamping slippage and panel tilting and displacement. The above problems can be solved through specific embodiments of this solution. In the initial state, the support plate 7 is stacked on the upper surface of the U-shaped frame 6, and the support plate 7 can block the frame through groove at the center of the U-shaped frame 6. At this time, the U-shaped frame 6 and the support plate 7 are located together on the lower left side of the support table 2. The operator can place the trapezoidal plate on the upper surface of the support plate 7 while avoiding the working range of the grinding mechanism 3. This is conducive to the plate loading operation being far away from the grinding area, avoiding the safety hazards caused by the grinding components, and at the same time, it is convenient for the operator to straighten the placement of the trapezoidal plate, providing a positioning basis for the subsequent bidirectional clamping component to accurately clamp the flat and inclined sides of the plate. The component first clamps and positions the two flat sides of the trapezoidal plate, and then adaptably clamps the two inclined sides of the trapezoidal plate. By clamping in steps, the horizontal displacement and rotational offset of the trapezoidal plate are limited, avoiding the plate from loosening and shifting due to the cutting force of the grinding tool during grinding, and ensuring the positional accuracy of the plate during the grinding process. After completing the bidirectional positioning of the trapezoidal plate, the electric slider 5 is driven by the guide rail 4 to move to the right along its inner wall, simultaneously moving the U-shaped frame 6 and the support plate 7 to the right. When the U-shaped frame 6 and the support plate 7 move the plate to the bottom of the support platform 2, the plate is exactly in the optimal grinding position of the grinding mechanism 3. Then the grinding mechanism 3 is started, and the upper surface of the trapezoidal plate is ground. When the U-shaped frame 6 and the support plate 7 move to the grinding position, one side of the support plate 7 is locked and limited by the locking assembly. With this setup, after the grinding operation is completed, when the U-shaped frame 6 moves to the left to reset, the support plate 7 is fixed by the locking assembly at the grinding position directly below the grinding mechanism 3 and cannot reset synchronously with the U-shaped frame 6, causing relative sliding displacement between the U-shaped frame 6 and the support plate 7. At this time, under the clamping and fixing action of the bidirectional clamping assembly, the trapezoidal plate resets and moves together with the U-shaped frame 6, detaching from the support table of the support plate 7. When the U-shaped frame 6 resets to the initial position, the clamping force of the bidirectional clamping assembly is released, and the frame slot in the center of the U-shaped frame 6 is fully exposed, no longer... With the support plate 7 blocking and limiting its position, the trapezoidal sheet material, having lost its clamping and support, can fall directly downwards through the frame slot, achieving automatic unloading of the sheet material after grinding. After the sheet material is unloaded, the U-shaped frame 6 continues to move slightly to the left. This displacement action can precisely trigger the unlocking component, which cancels the constraint of the locking component on the support plate 7, completely releasing the locking and limiting state. In this way, the support plate 7 can directly return to the sliding engagement state with the U-shaped frame 6, returning to the overlapping state with the U-shaped frame 6, so as to carry out the grinding and processing operation of the next batch of trapezoidal sheet materials.

[0026] like Figures 2 to 3As shown, a guard plate 8 is fixedly connected to one side of the U-shaped frame 6, and an open plate 9 is fixedly connected to the other side of the U-shaped frame 6. The outer wall of the support plate 7 is slidably connected to the inner wall of the open plate 9. A slide rod frame 10 is symmetrically fixedly connected to the inner side of the guard plate 8. The slide rod frame 10 extends to one side of the U-shaped frame 6. The two sides of the support plate 7 are fixedly connected to the outer wall of the slide rod of the slide rod frame 10 respectively. A spring 11 is fixedly connected between the two sides of the support plate 7 and the inner side of the guard plate 8.

[0027] During operation: In the initial state, one side of the support plate 7 rests against the inner side of the guard plate 8. When the molded frame 6 moves to the right, the supporting plate 7 can be moved synchronously by the pushing force of the guard plate 8, ensuring the relative position of the support plate 7 and the molded frame 6 remains stable during the feeding process. When the molded frame 6 and the support plate 7 move the plate to the grinding station directly below the grinding mechanism 3, and the locking assembly completes the locking and positioning of the support plate 7, the molded frame 6 moves to the left to reset. At this time, the support plate 7 remains in its original position and slides relative to the molded frame 6 along the inner wall of the opening plate 9. Under the limiting and guiding action of the rod frame 10, it always maintains a horizontal state. The synchronously stretched spring 11 causes it to undergo elastic deformation. After the subsequent unlocking component releases the limiting constraint of the locking component, the support plate 7 can slide quickly along the outer wall of the slide rod of the slide frame 10 under the elastic tension of the spring 11, and re-fit against the inner side of the guard plate 8, returning to the initial assembly state. After the plate is completely unloaded, the polished trapezoidal plate falls vertically from the through slot of the back-shaped frame 6, passes through the unloading slot 38 of the base 1 and falls directly into the collection box 39 below, realizing the automatic centralized collection of polished plates.

[0028] like Figures 4 to 5 As shown, the bidirectional clamping assembly includes two anti-slip plates 12, each spanning the upper surface of the U-shaped frame 6. Slider blocks 14 are fixedly connected to the bottom ends of both sides of the anti-slip plates 12. Slide grooves 13 are symmetrically opened on both sides of the upper surface of the U-shaped frame 6. The sliders 14 are slidably connected to the inner walls of the slide grooves 13. Telescopic rods 15 are fixedly installed inside the slide grooves 13. The output ends of the telescopic rods 15 are fixedly connected to one side of the sliders 14. A discharge trough 38 is clamped onto the surface of the base 1, and a collection box 39 is fixedly connected below the discharge trough 38.

[0029] During operation: After the trapezoidal plate is placed on the surface of the support plate 7, the two sets of telescopic rods 15 extend synchronously, pushing the slider 14 to slide towards each other along the inner wall of the slide groove 13, thereby causing the two anti-slip plates 12 to move closer together synchronously, precisely pressing against the two sets of planar sides of the trapezoidal plate to achieve lateral positioning of the plate and prevent the plate from shifting left or right; when the grinding operation is completed and the U-shaped frame 6 is separated from the support plate 7, the support plate 7 is locked and fixed at the grinding position, while the trapezoidal plate is clamped and limited by the anti-slip plates 12 on both sides. When used, it is constrained on the upper surface of the U-shaped frame 6 and will not remain in the original position with the support plate 7. It can synchronously reset to the initial position to the left with the U-shaped frame 6. After the equipment is reset, the anti-slip plate 12 separates from each other, releasing the clamping and fixing of the trapezoidal plate, allowing the plate to fall downward. After the plate has completely fallen, the polished trapezoidal plate falls vertically from the through groove of the U-shaped frame 6, passes through the discharge groove 38 of the base 1 and falls directly into the collection box 39 below, realizing the automatic centralized collection of polished plates.

[0030] like Figures 6 to 7 As shown, the bidirectional clamping assembly also includes two sets of positioning posts 16. Each set of positioning posts 16 has multiple posts arranged on the upper two sides of the U-shaped frame 6. Each positioning post 16 has a connector 17 fixedly connected to one side. Each connector 17 has an adaptive sliding component below it. The adaptive sliding component can drive each positioning post 16 to slide independently and adaptively, so that each positioning post 16 adaptively fits the inclined side of the trapezoidal plate.

[0031] During operation: After the anti-slip plate 12 clamps and positions the two flat edges of the trapezoidal plate, the two sets of positioning posts 16 are precisely distributed on the inclined sides of the trapezoidal plate. Subsequently, each adaptive sliding component starts working synchronously, driving the corresponding connector 17 and positioning post 16 to slide independently and adaptively. In view of the irregular structure of the trapezoidal plate with its gradually changing inclined angle, each positioning post 16 can slide a different distance according to the fitting requirements, realizing differentiated adaptive adjustment, so that all positioning posts 16 can fit tightly against the inclined side of the trapezoidal plate, completing the adaptive clamping of the plate's inclined surface. Combined with the fixing effect of the anti-slip plate 12 on the flat side of the plate, a three-dimensional two-way clamping structure is formed, which restricts the shaking and displacement of the trapezoidal plate in all directions, greatly improving the clamping stability and processing accuracy during the grinding process of irregular plate.

[0032] like Figures 6 to 7 As shown, multiple limiting slides 18 are fixedly connected to both sides of the bottom of the U-shaped frame 6. The bottom ends of multiple connectors 17 are slidably connected to the inner walls of the limiting slides 18. A movable plate 20 is symmetrically slidably connected to the bottom of the U-shaped frame 6. A buffer spring 19 is fixedly connected between one side of the bottom end of each connector 17 and the movable plate 20. A drive assembly is provided at the bottom of the U-shaped frame 6 to drive the two movable plates 20 to move closer to each other.

[0033] During operation: The drive component starts, causing the two moving plates 20 on both sides to move closer to each other; during the movement of the moving plates 20, the connecting parts 17 are pushed by the buffer springs 19, so that the connecting parts 17 slide adaptively along the inner wall of the limiting slide block 18, thereby causing each set of positioning posts 16 to move closer to the inclined edge of the plate; because the inclined edge of the trapezoidal plate is a gradually inclined structure, the contact stroke of the positioning posts 16 at different positions is different, and the corresponding buffer springs 19 can produce different degrees of elastic expansion and contraction deformation to adapt to the independent sliding distance of each connecting part 17, realize the differentiated adaptive feeding of multiple sets of positioning posts 16, and ensure that all positioning posts 16 can be tightly attached to the inclined edge of the plate. At the same time, the buffer springs 19 can provide flexible clamping force, which can not only avoid rigid compression causing damage to the edges and corners of the plate, but also maintain the tight contact state between the positioning posts 16 and the inclined edge of the plate throughout the process.

[0034] like Figure 7 As shown, the drive assembly includes two motors 21, both of which are fixedly mounted on the bottom of the U-shaped frame 6. The output shafts of the motors 21 are fixedly connected to double-port hinges 22. Both ends of the double-port hinges 22 are hinged to hinge rods 23. One end of the hinge rods 23 is hinged to a hinge seat 24. Side frame plates 25 are fixedly connected to one side of the hinge seats 24. The side frame plates 25 are respectively fixedly connected to one side of the movable plate 20.

[0035] During operation: Motor 21 rotates in the forward direction and drives the double-port hinge 22 to rotate synchronously. During rotation, it drives the hinge connecting rods 23 at both ends to swing inward. Through the transmission action of the hinge connecting rods 23, the hinge seat 24 and the side frame plate 25 are pushed and pulled, thereby smoothly pulling the two sets of moving plates 20 at the bottom of the return frame 6 to move towards each other synchronously. This provides a stable power source for the subsequent buffer spring 19 to push the connecting rod 17 and the positioning column 16 to complete the adaptive fitting and clamping. After grinding, motor 21 reverses and resets, driving the connecting rod structure to unfold, so that the moving plates 20 on both sides move away from each other, releasing the lateral pushing force, realizing the reset of the inclined clamping structure, and ensuring the normal progress of the subsequent plate blanking process.

[0036] like Figures 8 to 10 As shown, the locking assembly includes two hook plates 26. A second sliding groove 27 is symmetrically provided on one side of the support plate 7. One end of the hook plate 26 is slidably connected to the inner wall of the second sliding groove 27. A second spring 28 is fixedly connected between the upper part of the hook plate 26 and the inner wall of the second sliding groove 27. A hook plate 29 is symmetrically provided on the upper part of the base 1. The positions of the hook plate 26 and the hook plate 29 correspond to each other.

[0037] During operation: When the return frame 6 and the support plate 7 are about to move directly below the grinding mechanism 3, the support plate 7 moves to the right along with the return frame 6, causing the hook plates 26 on both sides to move synchronously closer to the hook plate 29 fixed on the base 1; when the guide slope of the hook plate 26 contacts the docking slope of the hook plate 29, the head of the hook plate 26 is lifted upward by the compression force, and the second spring 28 undergoes elastic deformation; when the support plate 7 accurately moves to the grinding position, the hook plate 26 is completely aligned with the hook plate 29, at which point the compression force disappears, and the hook plate 26 falls back under the elastic reset action of the second spring 28. The hook angle of the hook plate 26 is stably engaged with the limiting side of the hook plate 29, thereby locking the hook plate 26 and firmly fixing the support plate 7 in the grinding position. This self-locking structure can achieve fixed-point locking of the support plate 7, providing reliable structural support for the subsequent process of individual sliding and resetting of the return frame 6, the separation of the plate from the support plate 7 with the frame, and automatic unloading by the equipment. The hook plate 26 and the hook plate 29 are made of wear-resistant material to reduce wear on the contact surface caused by repeated fastening friction. Even after long-term use, the fastening gap remains stable and the locking accuracy does not decrease.

[0038] like Figures 8 to 9 As shown, a bearing seat 31 is fixedly connected to the upper surface of the base 1. A rocker arm 30 is hinged to the shaft of the bearing seat 31. Hook plates 29 are fixedly connected to the top two ends of the rocker arm 30. A resisting block 32 is attached to one side of the rocker arm 30 and is fixedly connected to the upper surface of the base 1.

[0039] During operation: When the inclined surface of hook plate 26 contacts the inclined surface of hook plate 29 and generates a squeezing force, since one side of the rocker member 30 is tightly attached to the resisting block 32, the resisting block 32 can limit the rotation direction of one side of the rocker member 30, restricting the rocker member 30 from rotating around the axis in the direction of the squeezing force. Therefore, when the hook plate 29 is pushed by the hook plate 26, it will not swing, deviate or retract, and will always maintain a fixed locking posture. At this time, the squeezing force continues to act on the hook plate 26, forcing the head of the hook plate 26 to rise upward, compressing the second spring 28 to produce elastic deformation. When the support plate 7 accurately moves to the grinding station, the hook plate 26 and the hook plate 29 are completely aligned, the inclined surface squeezing force is completely eliminated, and the hook plate 26 falls back and locks under the elastic reset action of the second spring 28, so that the hook plate 26 is stably fastened to the side of the hook plate 29, completing the locking and positioning of the support plate 7.

[0040] like Figure 8 and Figure 10 As shown, the unlocking component includes a movable frame 35, which is slidably connected to the top of the base 1. Both ends of the shaft of the bearing seat 31 are fixedly connected to a rope reel 33. The outer wall of the rope reel 33 is wound with a steel wire 34. The end of the steel wire 34 away from the rope reel 33 is fixedly connected to the side of the movable frame 35.

[0041] During operation: In the initial state of the equipment, the steel wire 34 is always taut and taut, which can effectively limit the free rotation of the rope reel 33 and the swinging component 30, ensuring the stable locking position of the hook plate 29. After the return frame 6 returns to the initial position, the bidirectional clamping component releases the clamping force and completes the trapezoidal plate unloading operation, the return frame 6 continues to move slightly to the left. The side of the frame will abut against and push the movable frame 35 to slide along the top of the base 1. During the sliding process, the movable frame 35 continuously pulls the steel wire 34, causing the rope reel 33 to rotate synchronously, which in turn drives the bearing seat 31 shaft and the swinging component 30 to rotate. As it rotates, the hook plate 29 swings down to make room, releasing the locking limit on the hook plate 26. After the locking constraint is released, the support plate 7 is no longer fixed and can be synchronously reset with the return frame 6 under the elastic tension of the spring 11, completing the entire unlocking and reset process, so that the overall structure of the equipment returns to the initial state.

[0042] like Figure 8 and Figure 10 As shown, an L-shaped frame plate 36 is symmetrically fixedly connected to one side of the base 1. A spring 37 is fixedly connected between the side of the movable frame 35 and the inner side of the L-shaped frame plate 36. The elastic coefficient of the spring 37 is much greater than that of the spring 11. A torsion spring is installed inside the shaft of the bearing seat 31.

[0043] During operation: After the hook plate 29 and hook plate 26 are engaged and locked, and the support plate 7 is fixed in place, the return frame 6 slides to the left to reset. The return frame 6 slides relative to the locked support plate 7, thereby stretching the spring 11 and allowing the spring 11 to store elastic reset potential energy. Combined with the aforementioned one-way limiting structure of the resisting block 32 on the swinging component 30, and thanks to the fact that the elastic coefficient of the spring 37 is much greater than that of the spring 11, the spring 37 can always maintain a stable and undeformed state and will not be affected by the tensile force of the spring 11, firmly fixing the initial position of the movable frame 35, so that the steel wire 34 remains in place. In the taut state, the swaying component 30 is further locked to prevent the hook plate 29 from loosening, slipping, or shifting during the tensioning and storage of the spring 11. This ensures the absolute stability of the locking state of the support plate 7, providing a reliable guarantee for the stable reset of the plate with the frame and automatic unloading. After the plate is completely unloaded, the return frame 6 continues to move to the left and push the movable frame 35 to overcome the elasticity of the spring 37 and achieve sliding and pulling, completing the unlocking action. After unlocking, the return frame 6 moves to the right to reset. Under the coordinated reset action of the spring 37 and the torsion spring inside the shaft, each structure quickly returns to the initial locked and ready state, ensuring stable and continuous operation of the equipment.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface sanding and processing device for irregularly shaped furniture cabinet panels, comprising a base, characterized in that: A support platform is fixedly connected above the base. A grinding mechanism is fixedly installed on the inner side of the support platform. Guide rails are fixedly connected to both sides of the upper surface of the base. Electric sliders are slidably connected to the inner walls of the guide rails. A U-shaped frame is set above the base. Two electric sliders are fixedly connected to both sides of the U-shaped frame. A support plate is slidably connected above the U-shaped frame. A two-way clamping assembly is set on the upper surface of the U-shaped frame. The two-way clamping assembly can clamp both sides of the irregularly shaped sheet and adaptably clamp the other two inclined sides of the sheet. A locking assembly is set on one side of the U-shaped frame. The locking assembly can hook the support plate to lock and limit its movement, so that the support plate does not return to its original position with the U-shaped frame. An unlocking assembly is set on the other side of the U-shaped frame. The unlocking assembly can drive the locking assembly to release the support plate, thereby canceling the locking and limiting movement.

2. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 1, characterized in that: A guard plate is fixedly connected to one side of the U-shaped frame, and an open plate is fixedly connected to the other side of the U-shaped frame. The outer wall of the support plate is slidably connected to the inner wall of the open plate. A slide rod frame is symmetrically fixedly connected to the inner side of the guard plate. The slide rod frame extends to one side of the U-shaped frame. The two sides of the support plate are fixedly connected to the outer wall of the slide rod of the slide rod frame. A spring is fixedly connected between the two sides of the support plate and the inner side of the guard plate.

3. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 2, characterized in that: The bidirectional clamping assembly includes two anti-slip plates, both of which span the upper surface of the U-shaped frame. Sliders are fixedly connected to the bottom ends of both sides of the anti-slip plates. Slide grooves are symmetrically opened on both sides of the upper surface of the U-shaped frame. The sliders are slidably connected to the inner walls of the slide grooves. Telescopic rods are fixedly installed inside the slide grooves. The output ends of the telescopic rods are fixedly connected to one side of the sliders. A feeding trough is clamped on the surface of the base. A collection box is fixedly connected to the bottom of the feeding trough.

4. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 3, characterized in that: The bidirectional clamping assembly also includes two sets of positioning posts. Each set of positioning posts has multiple posts arranged on the upper two sides of the U-shaped frame. Each positioning post has a connector fixedly connected to one side. Each connector has an adaptive sliding component below it. The adaptive sliding component can drive each positioning post to slide independently and adaptively, so that each positioning post adaptively fits the inclined side of the trapezoidal plate.

5. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 4, characterized in that: Multiple limiting slides are fixedly connected to both sides of the bottom of the U-shaped frame. The bottom ends of multiple connectors are slidably connected to the inner walls of the limiting slides. A movable plate is symmetrically slidably connected to the bottom of the U-shaped frame. A buffer spring is fixedly connected between one side of the bottom end of each connector and the movable plate. A drive component is provided at the bottom of the U-shaped frame to drive the two movable plates to move closer to each other.

6. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 5, characterized in that: The drive assembly includes two motors, both of which are fixedly mounted on the bottom of the U-shaped frame. The output shafts of the motors are fixedly connected to double-port hinges. Both ends of the double-port hinges are hinged to hinge rods. One end of the hinge rod is hinged to a hinge seat. Side frame plates are fixedly connected to one side of the hinge seats. The side frame plates are fixedly connected to one side of the movable plate.

7. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 6, characterized in that: The locking assembly includes two hook plates. A second sliding groove is symmetrically opened on one side of the support plate. One end of the hook plate is slidably connected to the inner wall of the second sliding groove. A second spring is fixedly connected between the upper part of the hook plate and the inner wall of the second sliding groove. A hook plate is symmetrically arranged above the base. The positions of the hook plate and the hook plate correspond to each other.

8. The surface grinding equipment for irregularly shaped furniture cabinet panels according to claim 7, characterized in that: A bearing seat is fixedly connected to the upper surface of the base. A rocker arm is hinged to the shaft of the bearing seat. Hook plates are fixedly connected to the top two ends of the rocker arm. A resisting block is attached to one side of the rocker arm and is fixedly connected to the upper surface of the base.

9. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 8, characterized in that: The unlocking component includes a movable frame that is slidably connected to the top of the base. Both ends of the shaft of the bearing seat are fixedly connected to a rope reel, and the outer wall of the rope reel is wound with steel wire. The end of the steel wire away from the rope reel is fixedly connected to the side of the movable frame.

10. The surface grinding and processing equipment for irregularly shaped furniture cabinet panels according to claim 9, characterized in that: An L-shaped frame plate is symmetrically fixedly connected to one side of the base. A spring three is fixedly connected between the side of the movable frame and the inner side of the L-shaped frame plate. The elastic coefficient of spring three is much greater than that of spring one. A torsion spring is installed inside the shaft of the bearing seat.

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