A surface polishing device for elevator door machining

Abstract

This utility model discloses a surface polishing device for elevator door processing, including a frame. Both sides of the front of the frame are connected to transmission blocks. A bearing plate is movably connected to the front of each transmission block via a pin. A polishing component is fixedly connected to the front of the bearing plate. A positioning structure is provided at the top of the frame to fix the rotatable bearing plate. A sleeve plate is fixedly connected to the back of the bearing plate. A crossbeam is provided at the top of the frame. Adjustment blocks are provided on both sides of the bottom of the crossbeam. A sliding rod located inside the sleeve plate is fixedly connected to the front of each adjustment block, and the sliding rod is slidably connected to the sleeve plate. A connecting frame is fixedly connected to the top of the frame. This utility model, through the movably connected bearing plate via pins, allows the polishing component to rotate and swing freely, flexibly conforming to the curved surface of the door panel edge, completely solving the problem of a fixed-angle polishing wheel being unable to contact the edge.

Description

Technical Field

[0001] This utility model relates to the field of elevator door processing technology, specifically to a surface polishing device for elevator door processing. Background Technology

[0002] After the elevator door is manufactured, it needs to be polished. The purpose of polishing is to remove scratches, impact dents and oxide layers, restore the metal finish or unify the coating base, and remove burrs from the edges of the door to prevent people from getting trapped.

[0003] For example, the patent application number published on the China Patent Network is 202421313567.X, and the patent name is: A grinding device for weld points of elevator door panels. The base plate is provided with a moving cleaning mechanism on both the front and rear sides. The moving cleaning mechanism starts the first motor, causing the screw to rotate. The rotation of the screw drives the moving frame to move left and right, moving the moving frame to the leftmost end above the base plate. Then, the elevator door is fixed to the top of the base plate. Next, the cylinder is activated, causing the fixing plate to move downwards. The fixing plate drives the third and fourth connecting frames to move downwards. The downward movement of the third connecting frame causes the bottom of the cleaning block to contact the elevator door. Then, the first motor moves the moving frame to the right. The rightward movement of the third connecting frame causes the cleaning block to move to the right, cleaning dust, dirt, and other impurities from the surface of the elevator door, improving the grinding effect of the grinding roller on the weld points of the elevator door surface. Simultaneously, the second motor is activated as the moving frame moves to the right, causing the grinding roller to rotate.

[0004] However, the existing polishing device has a relatively simple structure, mainly relying on polishing wheels placed on both sides of the door panel for polishing. The fixed placement angle of the polishing wheels causes the edges of the door panel to not effectively contact the polishing wheels, affecting the polishing effect.

[0005] Therefore, it is necessary to redesign and modify the surface polishing device used for elevator door processing. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a surface polishing device for elevator door processing, which has the advantage of adjustable tilt angle. This solves the problem that the existing polishing devices have a relatively simple structure, mainly relying on polishing wheels placed on both sides of the door panel for polishing. However, the fixed placement angle of the polishing wheels causes the edges of the door panel to not effectively contact the polishing wheels, thus affecting the polishing effect.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a surface polishing device for elevator door processing, comprising a frame;

[0008] Both sides of the front of the frame are connected to transmission blocks. The front of the transmission blocks is movably connected to a bearing plate via a pin. The front of the bearing plate is fixedly connected to a grinding component. The top of the frame is provided with a positioning structure that can fix the rotatable and swingable bearing plate.

[0009] As a preferred embodiment of this utility model, a sleeve plate is fixedly connected to the back of the bearing plate, a crossbeam is provided at the top of the frame, and adjusting blocks are provided on both sides of the bottom of the crossbeam. A sliding rod located inside the sleeve plate is fixedly connected to the front of the adjusting block, and the sliding rod is slidably connected to the sleeve plate.

[0010] As a preferred embodiment of this utility model, a connecting frame is fixedly connected to the top of the frame, a drive motor is fixedly connected to the top of the connecting frame, a screw located inside the connecting frame is fixedly connected to the output end of the drive motor, a screw sleeve is threadedly connected to the surface of the screw, and the front of the screw sleeve is fixedly connected to the back of the crossbeam.

[0011] As a preferred embodiment of this utility model, the top of the crossbeam is hollowed out, and a trapezoidal block located inside the crossbeam is fixedly connected to the top of the adjusting block, and the trapezoidal block is slidably connected to the crossbeam.

[0012] As a preferred embodiment of this utility model, a pressure plate is provided at the top of the crossbeam, and the bottom of the pressure plate contacts the top of the trapezoidal block. The pressure plate can press and fix the trapezoidal block to the surface of the crossbeam.

[0013] As a preferred embodiment of this utility model, electric telescopic rods are fixedly connected to both sides of the back of the crossbeam. The output end of the electric telescopic rod is fixedly connected to the surface of the pressure plate. The electric telescopic rod can carry the pressure plate up and down and clamp and release the trapezoidal block.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model uses a support plate that is movably connected by a pin, allowing the grinding component to rotate and swing freely, flexibly conforming to the curved surface of the door panel edge, thus completely solving the problem that the grinding wheel at a fixed angle cannot contact the edge.

[0016] 2. This utility model enables the grinding component to move laterally while rotating through the sliding connection between the sleeve plate and the slide rod, thereby achieving three-dimensional following of the door panel edge.

[0017] 3. This utility model uses screws and screw sleeves to drive the crossbeam to move as a whole, ensuring that the grinding components on both sides always move at equal distances, thus avoiding uneven force on both sides of the door panel and causing deformation.

[0018] 4. This utility model reduces weight by hollowing out the top of the crossbeam, while the trapezoidal block embedded in the groove forms a guiding and reinforcing structure to prevent torsional deformation during lateral adjustment.

[0019] 5. This utility model utilizes the wedge-shaped self-locking effect generated by the inclined surface of the trapezoidal block when the pressure plate is pressed down, so that only a small downward force is needed to achieve strong rigid fixation in the vertical direction.

[0020] 6. This utility model achieves adjustment mode through electric telescopic rod, which greatly reduces the time spent on process switching while ensuring clamping effect. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0023] Figure 3 This is a schematic diagram of a partial structural separation of the present invention;

[0024] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0025] In the diagram: 1. Frame; 2. Transmission block; 3. Bearing plate; 4. Grinding assembly; 5. Sleeve plate; 6. Crossbeam; 7. Adjusting block; 8. Slide rod; 9. Connecting frame; 10. Drive motor; 11. Screw; 12. Screw sleeve; 13. Trapezoidal block; 14. Pressure plate; 15. Electric telescopic rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1 to 4 As shown, the present invention provides a surface polishing device for elevator door processing, including a frame 1;

[0028] Both sides of the front of the frame 1 are connected to the transmission blocks 2. The front of the transmission blocks 2 is movably connected to the bearing plate 3 via a pin. The front of the bearing plate 3 is fixedly connected to the grinding component 4. The top of the frame 1 is provided with a positioning structure, which can fix the rotatable and swingable bearing plate 3.

[0029] refer to Figure 3A sleeve plate 5 is fixedly connected to the back of the bearing plate 3. A crossbeam 6 is provided on the top of the frame 1. Adjusting blocks 7 are provided on both sides of the bottom of the crossbeam 6. A sliding rod 8 located inside the sleeve plate 5 is fixedly connected to the front of the adjusting block 7. The sliding rod 8 is slidably connected to the sleeve plate 5.

[0030] As a technical optimization of this utility model, the grinding component 4 can be laterally moved while rotating through the sliding connection between the sleeve plate 5 and the slide rod 8, so as to achieve three-dimensional following of the edge of the door panel.

[0031] refer to Figure 3 A connecting frame 9 is fixedly connected to the top of the frame 1, and a drive motor 10 is fixedly connected to the top of the connecting frame 9. A screw 11 located inside the connecting frame 9 is fixedly connected to the output end of the drive motor 10. A screw sleeve 12 is threadedly connected to the surface of the screw 11, and the front of the screw sleeve 12 is fixedly connected to the back of the crossbeam 6.

[0032] As a technical optimization of this utility model, the crossbeam 6 is driven to move as a whole by the screw 11 and the screw sleeve 12, so as to ensure that the grinding components 4 on both sides always move at equal distances, and avoid uneven force on both sides of the door panel causing deformation.

[0033] refer to Figure 3 The top of the crossbeam 6 is hollowed out, and the top of the adjusting block 7 is fixedly connected to a trapezoidal block 13 located inside the crossbeam 6. The trapezoidal block 13 is slidably connected to the crossbeam 6.

[0034] As a technical optimization of this utility model, the weight is reduced by the hollow design at the top of the crossbeam 6, while the trapezoidal block 13 is embedded in the groove to form a guiding and reinforcing structure to prevent torsional deformation during lateral adjustment.

[0035] refer to Figure 4 A pressure plate 14 is provided on the top of the crossbeam 6. The bottom of the pressure plate 14 contacts the top of the trapezoidal block 13. The pressure plate 14 can press and fix the trapezoidal block 13 to the surface of the crossbeam 6.

[0036] As a technical optimization of this utility model, when the pressure plate 14 is pressed down, the inclined surface of the trapezoidal block 13 generates a wedge-shaped self-locking effect, which can achieve strong rigid fixation in the vertical direction with only a small downward pressure.

[0037] refer to Figure 3 Electric telescopic rods 15 are fixedly connected to both sides of the back of the crossbeam 6. The output end of the electric telescopic rod 15 is fixedly connected to the surface of the pressure plate 14. The electric telescopic rod 15 can carry the pressure plate 14 up and down and clamp and release the trapezoidal block 13.

[0038] As a technical optimization of this utility model, the adjustment mode is realized by the electric telescopic rod 15, which greatly reduces the time spent on process switching while ensuring the clamping effect.

[0039] The working principle and usage process of this utility model: The operator places the elevator door panel in the working area of ​​the frame 1, starts the device, and the transmission motor 10 drives the screw 11 to rotate, which in turn drives the threaded sleeve 12 to move horizontally. The screw sleeve 12 pushes the crossbeam 6 to move laterally along the top of the frame 1. The adjusting block 7 at the bottom of the crossbeam 6 moves synchronously with the crossbeam 6. The slide rod 8 fixed on the adjusting block 7 slides in the sleeve plate 5, causing the two bearing plates 3 and the grinding components 4 to swing synchronously. The two bearing plates 3, which are connected to the frame 1 by the transmission block 2, can rotate and swing around the pin shaft, so that the grinding components 4 fixed on the front of the bearing plate 3 can flexibly adjust the contact angle. When the two grinding components 4 need to change the spacing, the electric telescopic rod 15 pushes the pressure plate 14 to rise. When the pressure plate 14 is disengaged from the trapezoidal block 13, the transmission block 2 can carry the grinding components 4 to move towards each other and adjust the spacing. At this time, the transmission plate is pushed by the slide rod 8 and limited by the trapezoidal block 13 and moves synchronously on the surface of the crossbeam 6. When the grinding components 4 reach the appropriate spacing, the electric telescopic rod 15 drives the pressure plate 14 to reset and fix the trapezoidal block 13, thus locking it in the horizontal direction.

[0040] In summary, this surface polishing device for elevator door processing, through the movably connected bearing plate 3 via a pin, allows the polishing component 4 to rotate and swing freely, flexibly conforming to the curved surface of the door panel edge, thus completely solving the problem that the fixed-angle polishing wheel cannot contact the edge.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surface polishing device for elevator door processing, comprising a frame (1); Its features are: Both sides of the front of the frame (1) are connected to transmission blocks (2). The front of the transmission block (2) is movably connected to a bearing plate (3) via a pin. The front of the bearing plate (3) is fixedly connected to a grinding assembly (4). The top of the frame (1) is provided with a positioning structure, which can fix the rotating and swinging bearing plate (3).

2. The surface polishing device for elevator door processing according to claim 1, characterized in that: A sleeve plate (5) is fixedly connected to the back of the bearing plate (3). A crossbeam (6) is provided on the top of the frame (1). Adjustment blocks (7) are provided on both sides of the bottom of the crossbeam (6). A slide rod (8) located inside the sleeve plate (5) is fixedly connected to the front of the adjustment block (7). The slide rod (8) is slidably connected to the sleeve plate (5).

3. The surface polishing device for elevator door processing according to claim 2, characterized in that: A connecting frame (9) is fixedly connected to the top of the frame (1), and a drive motor (10) is fixedly connected to the top of the connecting frame (9). A screw (11) located inside the connecting frame (9) is fixedly connected to the output end of the drive motor (10). A screw sleeve (12) is threadedly connected to the surface of the screw (11), and the front of the screw sleeve (12) is fixedly connected to the back of the crossbeam (6).

4. The surface polishing device for elevator door processing according to claim 3, characterized in that: The top of the crossbeam (6) is hollowed out, and the top of the adjusting block (7) is fixedly connected to a trapezoidal block (13) located inside the crossbeam (6), and the trapezoidal block (13) is slidably connected to the crossbeam (6).

5. The surface polishing device for elevator door processing according to claim 4, characterized in that: A pressure plate (14) is provided on the top of the crossbeam (6), and the bottom of the pressure plate (14) contacts the top of the trapezoidal block (13). The pressure plate (14) can press and fix the trapezoidal block (13) onto the surface of the crossbeam (6).

6. The surface polishing device for elevator door processing according to claim 5, characterized in that: Electric telescopic rods (15) are fixedly connected to both sides of the back of the crossbeam (6). The output end of the electric telescopic rod (15) is fixedly connected to the surface of the pressure plate (14). The electric telescopic rod (15) can carry the pressure plate (14) up and down and clamp and release the trapezoidal block (13).

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