Polishing device for high-strength hard hollow blades of PVC (polyvinyl chloride) shutters

Through the coordination of design adjustment components and conveying components, the problem that the existing PVC blind grinding device cannot adjust the grinding thickness is solved, efficient and safe blade grinding is achieved, and the grinding quality and working efficiency are improved.

CN223172644UActive Publication Date: 2025-08-01DONGYING HUAKE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422437736.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-08-01
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

The existing PVC blinds' grinding device cannot adjust the grinding thickness and cannot be repeatedly polished, resulting in poor grinding quality and affecting working efficiency.

Method used

A high-strength hard hollow blade grinding device for PVC blinds is designed, including a workbench, fixing arms, grinding wheel, drive motor, adjustment components, conveying components, guide components and collection components. The gap between the grinding wheel is adjusted by adjusting the conveying components, and the conveying components drive the blades to move, realizing reciprocating grinding, the guide components press the blades, collecting components and collecting waste chips, improving the grinding quality and safety.

Benefits of technology

The comprehensive polishing of the blades is achieved, the quality of polishing and working efficiency are improved, safety is enhanced, and the stability of the blades and the convenient cleaning of waste chips is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shutter processing, in particular to a polishing device for a high-strength hard hollow blade of a PVC (polyvinyl chloride) shutter, which is convenient for adjusting the polishing thickness, polishing the blade in a reciprocating manner and comprehensively polishing the high-strength hard hollow blade, and improves the polishing quality. Comprising a workbench, two fixing arms, two polishing wheels, a first driving motor, a second driving motor, an adjusting assembly, a conveying assembly, a guiding assembly and a collecting assembly, the two fixing arms are installed at the front end and the rear end of the top of the workbench, a rotating groove is formed in the middle of the top of the workbench, and the polishing wheels are rotatably installed in the rotating groove; the input end of one grinding wheel is connected with the output end of the first driving motor, the other grinding wheel is installed between the two fixing arms through the adjusting assembly, the input end of the grinding wheel is connected with the output end of the second driving motor, the conveying assemblies are installed on the left side and the right side of the top of the workbench, and the guiding conveying assemblies are installed on the side walls of the left ends and the right ends of the fixing arms. A collecting assembly is installed at the bottom of the workbench.
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Description

Technical Field

[0001] The utility model relates to the technical field of processing of louvers, in particular to a grinding device for high-strength rigid hollow blades of PVC louvers. Background Art

[0002] A louver is a type of window that originated in China. In ancient Chinese architecture, there were straight lattice windows, which were used in each dynasty from the Warring States period to the Han Dynasty. The lying lattice window is an original style of the louver, or it can be said to be the original state of the louver. A PVC louver is a louver made of polyvinyl chloride (PVC) material. The main material of the PVC louver is polyvinyl chloride, which is a plastic material. Burrs may appear on the louver blades after production, so grinding and smoothing are required to make the louver blades smooth, flat, without a pricking or stabbing feeling. A grinding and smoothing device for louver blades of a plastic louver proposed in the prior art publication number CN208451273U includes a frame. An upper grinding wheel motor is fixedly installed inside the frame, and an upper grinding wheel is fixedly connected to the left side of the upper grinding wheel motor. A lower grinding wheel is arranged at the bottom of the upper grinding wheel, and a lower grinding wheel motor is fixedly connected to the right side of the lower grinding wheel. An outlet plate is arranged on the left side of the lower grinding wheel, and a conveyor belt is arranged on the right side of the lower grinding wheel. A conveyor belt motor is installed and connected to the right side of the conveyor belt, and a rubber wheel is arranged on the top of the conveyor belt. A movable rod is connected to the top of the rubber wheel, and a sleeve is connected to the top of the movable rod. However, in the prior art, the gap between the upper grinding wheel and the lower grinding wheel cannot be adjusted, the grinding thickness cannot be adjusted, and repeated grinding cannot be performed, resulting in poor grinding quality and affecting work efficiency. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a grinding device for high-strength rigid hollow blades of PVC louvers, which is convenient for adjusting the grinding thickness, reciprocally grinds the blades, comprehensively grinds the high-strength rigid hollow blades, and improves the grinding quality.

[0004] A grinding device for high-strength rigid hollow blades of a PVC shutter of the present utility model includes a workbench, two fixed arms, two grinding wheels, a first driving motor, a second driving motor, an adjusting component, a conveying component, a guiding component and a collecting component. Two fixed arms are installed at the front and rear ends of the top of the workbench. A rotating groove is formed in the middle of the top of the workbench. The grinding wheel is rotatably installed in the rotating groove. The input end of the grinding wheel is connected to the output end of the first driving motor. Another grinding wheel is installed between the two fixed arms through the adjusting component. The input end of the grinding wheel is connected to the output end of the second driving motor. The conveying component is installed on the left and right sides of the top of the workbench. Guiding components are installed on the side walls at the left and right ends of the fixed arms. A collecting component is installed at the bottom of the workbench; Place the high-strength rigid hollow blade on the conveying component, convey the blade between the two grinding wheels, drive the two grinding wheels to rotate respectively through the first driving motor and the second driving motor, grind the upper and lower sides of the blade simultaneously, and adjust the position of the upper grinding wheel through the adjusting component, so as to adjust the distance between the two grinding wheels, improve the scope of use. Through the cooperation of the conveying components on the left and right sides, the blade can be driven to move left and right, and the blade is reciprocally ground to ensure the grinding quality. Through the guiding component, the blade can be pressed tightly to ensure the stability of the blade. The collecting component can support the bottom of the workbench and collect part of the waste chips at the same time.

[0005] Preferably, the adjusting component includes two adjusting sliders, two groups of guiding slide plates, two adjusting lead screws and a protective cover. An adjusting cavity is formed inside the fixed arm. Sliding grooves are formed at the front and rear ends of the adjusting cavity. The adjusting sliders are slidably installed in the adjusting cavity. The front and rear ends of the upper grinding wheel are rotatably installed between the two adjusting sliders. The second driving motor is installed on the side wall of the front adjusting slider. Sliding grooves are formed at the left and right ends of the adjusting cavity. The adjusting lead screw is rotatably installed on the right side of the adjusting cavity. An adjusting knob is arranged at the top of the adjusting lead screw. A guiding slide bar is arranged on the left side of the adjusting cavity. Guide plates are installed at the left and right ends of the adjusting slider. The left guide plate is slidably installed on the guide slide bar. The right guide plate is screwed on the adjusting lead screw. The protective cover is fixedly installed between the two fixed arms; Drive the adjusting lead screw to rotate through the adjusting knob, drive the guide plate to move, so that the adjusting slider moves in the adjusting cavity, thereby adjusting the position of the upper grinding wheel, adjusting the gap between the two grinding wheels, adjusting the grinding thickness, convenient to use, improving the scope of use. The upper grinding wheel can be protected through the protective cover to avoid danger and improve safety.

[0006] Preferably, the conveying assembly includes two threaded rods, two servo motors, two moving seats, two guiding sliders, two C-shaped frames and a clamping component. Conveying grooves are formed at the left and right ends of the top of the workbench. The two threaded rods are respectively rotatably installed in the conveying grooves on the left and right sides. The input ends of the threaded rods pass through the conveying grooves and are connected to the output ends of the servo motors. The moving seats are slidably installed in the conveying grooves, and the middle parts of the moving seats are screwed onto the outer walls of the threaded rods. Guide sliders are installed at the front and rear ends of the bottoms of the moving seats. Guide chutes are symmetrically formed at the front and rear of the top of the workbench and are symmetrical to the conveying grooves. The guide sliders are slidably installed in the guide chutes. C-shaped frames are connected to the tops of the moving seats. The high-strength hard and hollow blades are placed on the right C-shaped frame. The servo motor is started to drive the threaded rod to rotate, so that the right moving seat moves leftward, and the high-strength hard and hollow blades are conveyed between the two grinding wheels. After the left end of the high-strength hard and hollow blades passes between the two grinding wheels, it contacts the left C-shaped frame. By driving the left threaded rod to rotate through the left servo motor and cooperating with the left and right C-shaped frames, the stability of the high-strength hard and hollow blades during grinding is ensured.

[0007] Preferably, the clamping component includes two groups of electric telescopic rods and two pressing plates. The two groups of electric telescopic rods are respectively installed at the tops of the left and right C-shaped frames, and pressing plates are installed at the telescopic ends of the electric telescopic rods. After the high-strength hard and hollow blades are placed on the right C-shaped frame, the right group of electric telescopic rods is started to drive the pressing plate to move downward to clamp and fix the high-strength hard and hollow blades. After the high-strength hard and hollow blades move to the left, the right electric telescopic rod and the pressing plate release the fixation on the right end of the high-strength hard and hollow blades, and at the same time, the left electric telescopic rod and the pressing plate clamp the left side of the high-strength hard and hollow blades, so that the high-strength hard and hollow blades can be comprehensively ground, improving the grinding quality.

[0008] Preferably, the guiding and feeding assembly includes two mounting plates, two groups of T-shaped sliding rods, two pressing frames and two supporting platforms. The front and rear sides of the two mounting plates are fixedly installed on the left and right sides of the two fixed arms. A plurality of T-shaped sliding rods are slidably installed on the mounting plates. Springs are sleeved on the upper parts of the T-shaped sliding rods, and the bottoms of the springs are connected to the tops of the mounting plates. The bottom ends of the T-shaped sliding rods are connected to the pressing frames, and guiding rollers are arranged on the pressing frames. The two supporting platforms are symmetrically installed on the top of the workbench about the lower grinding wheel left and right. When the high-strength hard and hollow blades move, the springs pull the T-shaped sliding rods to slide on the mounting plates, pushing the guiding rollers to contact the upper ends of the high-strength hard and hollow blades, and pressing the blades in cooperation with the supporting platforms, so that the high-strength hard and hollow blades do not shake and are stably ground.

[0009] Preferably, the collection component includes a collection box, multiple legs, a base, a waste chip box, and a positioning box. The collection box is installed at the bottom of the workbench. The inside of the collection box is communicated with the rotating groove. The lower grinding wheel is located inside the collection box. A chip discharge port is opened at the bottom of the collection box. The multiple legs are evenly installed at the four corners of the bottom of the workbench. The bottom of the legs is installed on the top of the base. The middle of the top of the base is installed with a positioning box. The waste chip box slides on the top of the base. The bottom of the workbench is supported by the legs and the base to ensure stability during use. The contact area with the ground is increased through the base. The waste chips from grinding are collected through the collection box. The waste chips fall into the waste chip box through the chip discharge port. The waste chip box can be positioned through the positioning box to ensure convenience during cleaning and placement.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: Place the high-strength hard hollow blade on the conveying component, convey the blade between the two grinding wheels. Drive the two grinding wheels to rotate respectively through the first driving motor and the second driving motor to grind the upper and lower sides of the blade simultaneously. The position of the upper grinding wheel can be adjusted through the adjusting component, thereby adjusting the distance between the two grinding wheels to improve the scope of use. Through the cooperation of the conveying components on the left and right sides, the blade can be driven to move left and right for reciprocating grinding of the blade to ensure the grinding quality. The blade can be pressed through the guiding and feeding component to ensure the stability of the blade. The collection component can support the bottom of the workbench and collect some waste chips at the same time. Description of the Drawings

[0011] Figure 1 is the structural schematic diagram of the present utility model;

[0012] Figure 2 is the axonometric structural schematic diagram of the present utility model;

[0013] Figure 3 is the rear three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 4 is the three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 5 is the partial sectional structural schematic diagram of the present utility model;

[0016] Reference signs in the drawings: 1, workbench; 2, fixed arm; 3, grinding wheel; 4, first driving motor; 5, collection box; 6, adjusting slider; 7, second driving motor; 8, guiding slide plate; 9, adjusting lead screw; 10, protective cover; 11, threaded rod; 12, servo motor; 13, moving seat; 14, guiding slider; 15, C-shaped frame; 16, electric telescopic rod; 17, pressing plate; 18, mounting plate; 19, T-shaped slide bar; 20, pressing frame; 21, support table; 22, leg; 23, base; 24, waste chip box; 25, positioning box. Detailed Embodiment

[0017] For ease of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0018] Embodiment 1

[0019] As Figure 1 、 Figure 2 、 Figure 3 and Figure 5 shown, two fixed arms 2 are installed at the front and rear ends of the top of the workbench 1. A rotating groove is opened in the middle of the top of the workbench 1. A grinding wheel 3 is rotatably installed in the rotating groove. The input end of the grinding wheel 3 is connected to the output end of the first driving motor 4. An adjusting cavity is opened inside the fixed arm 2. Sliding grooves are opened at the front and rear ends of the adjusting cavity. An adjusting slider 6 is slidably installed in the adjusting cavity. The front and rear ends of the upper grinding wheel 3 are rotatably installed between the two adjusting sliders 6. The second driving motor 7 is installed on the side wall of the front adjusting slider 6. Sliding grooves are opened at the left and right ends of the adjusting cavity. An adjusting screw rod 9 is rotatably installed on the right side of the adjusting cavity. An adjusting knob is provided at the top of the adjusting screw rod 9. A guiding slide bar is provided on the left side of the adjusting cavity. Guide sliding plates 8 are installed at the left and right ends of the adjusting slider 6. The left guide sliding plate 8 is slidably installed on the guiding slide bar. The right guide sliding plate 8 is screwed on the adjusting screw rod 9. A protective cover 10 is fixedly installed between the two fixed arms 2. Feeding grooves are opened at the left and right ends of the top of the workbench 1. Two threaded rods 11 are respectively rotatably installed in the feeding grooves on the left and right sides. The input end of the threaded rod 11 passes through the feeding groove and is connected to the output end of the servo motor 12. A moving seat 13 is slidably installed in the feeding groove, and the middle part of the moving seat 13 is screwed on the outer wall of the threaded rod 11. Guide sliders 14 are installed at the front and rear ends of the bottom of the moving seat 13. Guide sliding grooves are symmetrically opened at the front and rear of the top of the workbench 1 and the feeding groove. The guide sliders 14 are slidably installed in the guide sliding grooves. A C-shaped frame 15 is connected to the top of the moving seat 13. Two groups of electric telescopic rods 16 are respectively installed at the tops of the left and right C-shaped frames 15. The telescopic ends of the electric telescopic rods 16 are installed with pressing plates 17;

[0020] The high-strength hard hollow blade is placed on the right C-shaped frame 15. The servo motor 12 is started to drive the threaded rod 11 to rotate, so that the right moving seat 13 moves to the left, and the high-strength hard hollow blade is conveyed between the two grinding wheels 3. After the left end of the high-strength hard hollow blade passes through between the two grinding wheels 3, it contacts the left-end C-shaped frame 15. The left-side servo motor 12 drives the left-side threaded rod 11 to rotate. Through the cooperation of the left and right C-shaped frames 15, the stability of the high-strength hard hollow blade during grinding is ensured. After the high-strength hard hollow blade is placed on the right C-shaped frame 15, the right-side set of electric telescopic rods 16 is started to drive the pressing plate 17 to move downward to clamp and fix the high-strength hard hollow blade. After the high-strength hard hollow blade moves to the left, the right-side electric telescopic rod 16 and the pressing plate 17 release the fixation of the right end of the high-strength hard hollow blade, and at the same time, the left-side electric telescopic rod 16 and the pressing plate 17 clamp the left side of the high-strength hard hollow blade, so that the high-strength hard hollow blade can be comprehensively ground, improving the grinding quality. The first driving motor 4 and the second driving motor 7 drive the two grinding wheels 3 to rotate respectively to grind the upper and lower sides of the blade at the same time. By rotating the adjusting knob to drive the adjusting screw rod 9 to rotate, the guiding slide plate 8 is driven to move, so that the adjusting slider 6 moves in the adjusting cavity, thereby adjusting the position of the upper grinding wheel 3, adjusting the gap between the two grinding wheels 3, and adjusting the grinding thickness, which is convenient to use and increases the scope of use. The upper grinding wheel 3 can be protected by the protective cover 10 to avoid danger and improve safety.

[0021] Embodiment 2

[0022] As Figure 2 and Figure 4 shown, on the basis of Embodiment 1, it further includes two mounting plates 18 fixedly installed on the left and right sides of the two fixed arms 2 on the front and rear sides. A plurality of T-shaped sliding rods 19 are slidably installed on the mounting plates 18. Springs are sleeved on the upper parts of the T-shaped sliding rods 19, and the bottoms of the springs are connected to the tops of the mounting plates 18. The bottoms of the T-shaped sliding rods 19 are connected with pressing frames 20. Feeding rollers are arranged on the pressing frames 20. Two support platforms 21 are symmetrically installed on the top of the workbench 1 about the lower grinding wheel 3. The collection box 5 is installed at the bottom of the workbench 1. The inside of the collection box 5 is communicated with the rotating groove. The lower grinding wheel 3 is located inside the collection box 5. A chip discharge port is opened at the bottom of the collection box 5. A plurality of legs 22 are evenly installed at the four corners of the bottom of the workbench 1. The bottoms of the legs 22 are installed on the top of the base 23. A positioning frame 25 is installed in the middle of the top end of the base 23. The waste chip box 24 slides on the top of the base 23;

[0023] When the high-strength hard hollow blade moves, the spring pulls the T-shaped slide bar 19 to slide on the mounting plate 18, pushing the conveying roller to contact the upper end of the high-strength hard hollow blade, and cooperating with the support table 21 to press the blade, so that the high-strength hard hollow blade does not shake and is stably polished. The bottom of the workbench 1 is supported by the support legs 22 and the base 23 to ensure the stability during use. The contact area with the ground is increased through the base 23. The waste chips generated during polishing are collected by the collection box 5, and the waste chips fall into the waste chip box 24 through the chip discharge port. The waste chip box 24 can be positioned through the positioning frame 25 to ensure the convenience during cleaning and placement.

[0024] As Figures 1 to 5 shown, in the working process of a grinding device for high-strength hard hollow blades of a PVC shutter of the present invention, the high-strength hard hollow blade is placed on the right C-shaped frame 15. The right group of electric telescopic rods 16 is started to drive the pressing plate 17 to move downward to clamp and fix the high-strength hard hollow blade. The servo motor 12 is started to drive the threaded rod 11 to rotate, so that the right moving seat 13 moves to the left, conveying the high-strength hard hollow blade between the two grinding wheels 3. The first driving motor 4 and the second driving motor 7 drive the two grinding wheels 3 to rotate respectively to grind the upper and lower sides of the blade simultaneously. The adjusting knob is rotated to drive the adjusting screw rod 9 to rotate, driving the guiding slide plate 8 to move, so that the adjusting slider 6 moves in the adjusting cavity, thereby adjusting the position of the upper grinding wheel 3 and the gap between the two grinding wheels 3 to adjust the grinding thickness. After the left end of the high-strength hard hollow blade passes through between the two grinding wheels 3, it contacts the left C-shaped frame 15. The left electric telescopic rod 16 and the pressing plate 17 clamp the left side of the high-strength hard hollow blade. The left servo motor 12 drives the left threaded rod 11 to rotate. After the high-strength hard hollow blade moves to the left, the right electric telescopic rod 16 and the pressing plate 17 release the fixation of the right end of the high-strength hard hollow blade, and the grinding is carried out alternately. When the high-strength hard hollow blade moves, the spring pulls the T-shaped slide bar 19 to slide on the mounting plate 18, pushing the conveying roller to contact the upper end of the high-strength hard hollow blade, and cooperating with the support table 21 to press the blade, so that the high-strength hard hollow blade does not shake. The waste chips generated during grinding are collected by the collection box 5, and the waste chips fall into the waste chip box 24 through the chip discharge port. The waste chip box 24 is pulled out to clean the waste chips.

[0025] The first driving motor 4, the second driving motor 7 and the servo motor 12 of the grinding device for high-strength hard hollow blades of a PVC shutter of the present invention are purchased on the market. Those skilled in the industry only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0026] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A grinding device for high-strength rigid hollow blades of PVC blinds, characterized in that, It includes a workbench (1), two fixed arms (2), two grinding wheels (3), a first drive motor (4), a second drive motor (7), an adjustment component, a conveying component, a guiding component, and a collection component. At the front and rear ends of the top of the workbench (1), two fixed arms (2) are installed. In the middle of the top of the workbench (1), a rotating groove is opened. The grinding wheel (3) is rotatably installed in the rotating groove. The input end of the grinding wheel (3) is connected to the output end of the first drive motor (4). Another grinding wheel (3) is installed between the two fixed arms (2) through the adjustment component. The input end of the grinding wheel (3) is connected to the output end of the second drive motor (7). The conveying component is installed on the left and right sides of the top of the workbench (1). Guiding components are installed on the left and right side walls of the fixed arms (2). A collection component is installed at the bottom of the workbench (1).

2. The high-strength rigid hollow blade grinding device for a PVC shutter according to claim 1, wherein The adjustment component includes two adjustment sliders (6), two groups of guiding slide plates (8), two adjustment screw rods (9), and a protective cover (10). An adjustment cavity is opened inside the fixed arm (2). Sliding grooves are opened at the front and rear ends of the adjustment cavity. The adjustment sliders (6) are slidably installed in the adjustment cavity. The front and rear ends of the upper grinding wheel (3) are rotatably installed between the two adjustment sliders (6). The second drive motor (7) is installed on the side wall of the front adjustment slider (6). Sliding grooves are opened at the left and right ends of the adjustment cavity. The adjustment screw rod (9) is rotatably installed on the right side of the adjustment cavity. An adjustment knob is arranged at the top of the adjustment screw rod (9). A guiding slide rod is arranged on the left side of the adjustment cavity. The left and right ends of the adjustment slider (6) are installed with guiding slide plates (8). The left guiding slide plate (8) is slidably installed on the guiding slide rod. The right guiding slide plate (8) is screwed on the adjustment screw rod (9). The protective cover (10) is fixedly installed between the two fixed arms (2).

3. The high-strength rigid hollow blade grinding device for a PVC shutter according to claim 1, characterized in that, The conveying component includes two threaded rods (11), two servo motors (12), two moving seats (13), two guiding sliders (14), two C-shaped frames (15), and a clamping component. Conveying grooves are opened at the left and right ends of the top of the workbench (1). The two threaded rods (11) are respectively rotatably installed in the left and right conveying grooves. The input end of the threaded rod (11) passes through the conveying groove and is connected to the output end of the servo motor (12). The moving seat (13) is slidably installed in the conveying groove, and the middle part of the moving seat (13) is screwed on the outer wall of the threaded rod (11). The front and rear ends of the bottom of the moving seat (13) are installed with guiding sliders (14). Guiding chutes are symmetrically opened at the front and rear of the top of the workbench (1) with respect to the conveying groove. The guiding sliders (14) are slidably installed in the guiding chutes. The top of the moving seat (13) is connected to a C-shaped frame (15).

4. The high-strength rigid hollow blade grinding device for a PVC shutter according to claim 3, characterized in that, The clamping component includes two groups of electric telescopic rods (16) and two pressing plates (17). The two groups of electric telescopic rods (16) are respectively installed on the tops of the left and right C-shaped frames (15). The telescopic ends of the electric telescopic rods (16) are installed with pressing plates (17).

5. The high-strength rigid hollow blade grinding device for a PVC shutter according to claim 1, characterized in that The feeding assembly includes two mounting plates (18), two groups of T-shaped sliding rods (19), two pressing frames (20) and two support platforms (21). The front and rear sides of the two mounting plates (18) are fixedly installed on the left and right sides of the two fixed arms (2). A plurality of T-shaped sliding rods (19) are slidably installed on the mounting plates (18). Springs are sleeved on the upper parts of the T-shaped sliding rods (19), and the bottoms of the springs are connected to the tops of the mounting plates (18). The bottom ends of the T-shaped sliding rods (19) are connected to the pressing frames (20), and feeding rollers are arranged on the pressing frames (20). The two support platforms (21) are symmetrically installed on the top of the workbench (1) about the lower grinding wheel (3).

6. The high-strength rigid hollow blade grinding device for a PVC shutter according to claim 1, characterized in that The collection assembly includes a collection box (5), a plurality of legs (22), a base (23), a waste chip box (24) and a positioning box (25). The collection box (5) is installed at the bottom of the workbench (1). The interior of the collection box (5) is communicated with the rotating groove. The lower grinding wheel (3) is located inside the collection box (5). A chip discharge port is opened at the bottom of the collection box (5). The plurality of legs (22) are evenly installed at the four corners of the bottom of the workbench (1). The bottoms of the legs (22) are installed on the top of the base (23). A positioning box (25) is installed in the middle of the top end of the base (23). The waste chip box (24) slides on the top of the base (23).

Citation Information

Patent Citations

  • Flat equipment is ground to polishing of shutter plate of plastics shutter

    CN208451273U