Corner polishing device for polyurethane cold storage plate machining
By designing an automated polyurethane cold storage panel edge grinding device, the problems of skewed displacement and waste residue scattering caused by the edge grinding device were solved, achieving efficient grinding and waste residue treatment.
Patent Information
- Application Number
- CN202520506733.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing edge grinding devices are prone to causing skewed displacement in the processing of polyurethane cold storage panels, resulting in poor edge grinding effect and waste residue that is difficult to clean.
A grinding device was designed, which includes a worktable, a trough, a rotary motor, a rotating shaft, a sandpaper belt, rollers, and a dust collection system. The rotary motor drives the sandpaper belt to automatically grind the edges and corners of the cold storage panel, and the dust collection mechanism collects the waste residue.
The system automates the grinding of the edges and corners of polyurethane cold storage panels, avoiding skewed displacement, ensuring grinding results, and effectively collecting and processing waste residue during the grinding process.
Smart Images

Figure CN223933302U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding device technology, and in particular to a grinding device for the edges and corners of polyurethane cold storage panels. Background Technology
[0002] Polyurethane cold storage panels use lightweight polyurethane as the core material. The advantage of polyurethane is its excellent thermal insulation performance. The exterior of polyurethane cold storage panels is made of components such as color steel plates and stainless steel plates. This design helps prevent heat transfer caused by large temperature differences between the inside and outside of the cold storage panel, thus making the cold storage more energy-efficient and improving its working efficiency.
[0003] When processing polyurethane cold storage panels, it is necessary to remove defects generated during the molding process by grinding the edges. Currently available grinding devices require manual grinding of the polyurethane cold storage panels, which can easily cause the panels to tilt or shift, resulting in poor grinding effects. Furthermore, the waste generated during the grinding process is easily scattered and difficult to clean and collect. Therefore, this utility model proposes an edge grinding device for processing polyurethane cold storage panels to solve the above problems. Utility Model Content
[0004] To address the aforementioned problems, this utility model proposes an edge grinding device for processing polyurethane cold storage panels, thereby solving the problem that manual edge grinding in the prior art easily causes the polyurethane cold storage panels to tilt and shift, resulting in poor edge grinding effect.
[0005] To achieve the purpose of this utility model, the following technical solution is provided: A grinding device for the edges and corners of polyurethane cold storage panels, comprising a workbench, a first groove, and a second groove. The first groove and the second groove are symmetrically arranged on the front and back sides of the workbench, respectively. A rotary motor is fixedly installed on the right side of the first groove and the second groove. A right rotating shaft is fixedly connected to the output end of the rotary motor. A left rotating shaft is provided on the left side of the workbench. A sandpaper belt is connected between the left rotating shaft and the right rotating shaft. Adjustment mechanisms matching the left rotating shaft are symmetrically arranged on the left side of the front and back sides of the workbench. Multiple rollers are rotatably installed inside the first groove and the second groove. A support block matching the sandpaper belt is provided inside the second groove.
[0006] A further improvement is made in that: the adjustment mechanism includes a fixed frame, a slide, a connecting arm, and a threaded rod. The fixed frame is symmetrically fixedly connected to the left side of the front and back of the worktable. The top of the fixed frame is provided with a slide. The bottom of the slide is slidably connected to the connecting arm. The left end of the connecting arm is hinged to the top end of the left rotating shaft. The right end of the connecting arm is fixedly connected to the threaded rod. The top end of the threaded rod passes through the inner wall of the slide and is threaded with a nut.
[0007] Further improvements include: the top of the workbench is symmetrically and fixedly connected with slide rails, the bottom of the second slot is slidably connected to the slide rails, and the two sides of the workbench are symmetrically provided with moving mechanisms.
[0008] A further improvement is made in that: the moving mechanism includes cylinders and connecting blocks, cylinders are symmetrically fixedly installed on both sides of the worktable, the output end of the cylinders is fixedly connected to the connecting blocks, and one end of each of the two connecting blocks is fixedly connected to both sides of the second slot.
[0009] A further improvement is made in that: a material collection box is provided on the right side of the workbench, and branch pipes are symmetrically provided on the front and back of the workbench. Multiple ports of the two branch pipes are respectively inserted into the interior of slot 1 and slot 2, and a dust collection mechanism is provided between the branch pipes and the material collection box.
[0010] A further improvement is that the dust collection mechanism includes a conveying pipe, a fan, and a filter element. The top of the left side of the collection box is connected to one end of two branch pipes through the conveying pipe. The top of the collection box is provided with a top cover. The input end of the fan is connected to the filter element. One end of the filter element is connected to the bottom of the back side of the collection box.
[0011] A further improvement is made in that: the inner sides of the first and second slots are provided with drive chambers, one end of each roller passes through the interior of the drive chamber and is fixedly connected to a pulley, the outer side of the pulley is provided with meshing teeth, multiple pulleys are connected to each other by toothed synchronous belts, a micro motor is fixedly installed on one side inside the drive chamber, and the output end of the micro motor is fixedly connected to the outer side of one of the pulleys.
[0012] The beneficial effects of this utility model are as follows: the output end of the rotary motor drives the right rotating shaft to rotate, and the two ends of the sandpaper belt rub against the outer walls of the right and left rotating shafts respectively. The support block supports the sandpaper belt, which drives the sandpaper belt to rotate linearly back and forth. When the sandpaper belt comes into contact with the polyurethane cold storage panel, the two sides of the polyurethane cold storage panel automatically rub against the two sandpaper belts, automatically polishing the edges and corners of the polyurethane cold storage panel. The position of the sandpaper belt and the polyurethane cold storage panel is fixed to ensure the polishing effect of the polyurethane cold storage panel. Attached Figure Description
[0013] Figure 1 This is the front view of the present invention;
[0014] Figure 2 This is a side view of the present invention;
[0015] Figure 3 This is a top view of the present invention;
[0016] Figure 4 This utility model Figure 3 A magnified view of part A.
[0017] The components are as follows: 1. Workbench; 2. Slot 1; 3. Slot 2; 4. Right-hand rotating shaft; 5. Left-hand rotating shaft; 6. Sandpaper belt; 7. Roller; 8. Drive chamber; 9. Fixing frame; 10. Slide; 11. Connecting arm; 12. Threaded rod; 13. Cylinder; 14. Connecting block; 15. Branch pipe; 16. Conveying pipe; 17. Collection box; 18. Fan; 19. Filter element; 20. Rotary motor. Detailed Implementation
[0018] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.
[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes an edge grinding device for processing polyurethane cold storage panels, including a workbench 1, a first groove 2, and a second groove 3. The front and back sides of the workbench 1 are symmetrically equipped with the first groove 2 and the second groove 3, respectively. A rotary motor 20 is fixedly installed on the right side of the first groove 2 and the second groove 3. The output end of the rotary motor 20 is fixedly connected to a right rotating shaft 4. A left rotating shaft 5 is provided on the left side of the workbench 1. A sandpaper belt 6 is connected between the left rotating shaft 5 and the right rotating shaft 4. Adjustment mechanisms matching the left rotating shaft 5 are symmetrically provided on the left side of the front and back sides of the workbench 1. Multiple [unclear - possibly referring to a specific type of adjustment mechanism] are rotatably installed inside the first groove 2 and the second groove 3. Each roller 7 has a support block inside the second groove 3 that matches the sandpaper belt 6. The polyurethane cold storage panel is placed on one side of the first groove 2 and the second groove 3. The roller 7 drives the polyurethane cold storage panel to move to the other side of the first groove 2 and the second groove 3. The output end of the rotary motor 20 drives the right rotating shaft 4 to rotate. The two ends of the sandpaper belt 6 rub against the outer walls of the right rotating shaft 4 and the left rotating shaft 5, respectively. The support block supports the sandpaper belt 6 to drive the sandpaper belt 6 to rotate linearly back and forth. When the sandpaper belt 6 contacts the polyurethane cold storage panel, the two sides of the polyurethane cold storage panel automatically rub against the two sandpaper belts 6, automatically polishing the edges and corners of the polyurethane cold storage panel.
[0020] The inner sides of slot 1 (2) and slot 2 (3) are provided with drive chambers (8). One end of each roller (7) passes through the interior of drive chamber 8 and is fixedly connected to a pulley. The outer side of the pulley is provided with meshing teeth. Multiple pulleys are connected to each other by a toothed synchronous belt. A micro motor is fixedly installed on one side inside drive chamber 8. The output end of the micro motor is fixedly connected to the outer side of one of the pulleys. The micro motor can drive the pulley connected to its output end to rotate. The outer teeth of each pulley mesh with the toothed synchronous belt, so that the micro motor can synchronously drive multiple pulleys to rotate at the same time. Each roller (7) is fixedly connected to its corresponding pulley, which can drive multiple rollers (7) to rotate synchronously inside slot 1 (2) or slot 2 (3). When the polyurethane cold storage panel is placed on one side of slot 1 (2) and slot 2 (3), the roller (7) can drive the polyurethane cold storage panel to move to the other side of slot 1 (2) and slot 2 (3).
[0021] The adjustment mechanism includes a fixed frame 9, a slide groove 10, a connecting arm 11, and a threaded rod 12. Fixed frames 9 are symmetrically fixedly connected to the left sides of the front and back sides of the worktable 1. A slide groove 10 is provided on the top of the fixed frame 9, and a connecting arm 11 is slidably connected to the bottom of the slide groove 10. The left end of the connecting arm 11 is hinged to the top end of the left rotating shaft 5, and a threaded rod 12 is fixedly connected to the right end of the connecting arm 11. The top end of the threaded rod 12 extends through the inner wall of the slide groove 10 and is threaded with a nut. After a period of sanding, the sandpaper belt 6 will wear out; at this time, the nut at the top of the threaded rod 12 can be loosened, and the nut will no longer be connected to the connecting rod. The connecting arm 11 clamps the fixing frame 9, allowing the left rotating shaft 5 to be removed from the top of the fixing frame 9. Then, the old sandpaper belt 6 is removed from above slot 2 or slot 3. The threaded rod 12 is then inserted into the slide groove 10 from bottom to top. The new sandpaper belt 6 is then fitted onto the outside of the right rotating shaft 4 and the left rotating shaft 5. The threaded rod 12 can slide straight along the slide groove 10. The left rotating shaft 5 is connected to the threaded rod 12 through the connecting arm 11, allowing the position of the left rotating shaft 5 to be adjusted until the left rotating shaft 5 and the right rotating shaft 4 tighten the new sandpaper belt 6. Finally, the nut at the top of the threaded rod 12 is tightened to lock the position of the left rotating shaft 5.
[0022] The top of the workbench 1 is symmetrically and fixedly connected with slide rails. The bottom end of the second slot 3 is slidably connected to the slide rails. The workbench 1 is symmetrically provided with moving mechanisms on both sides. The moving mechanism includes cylinders 13 and connecting blocks 14. Cylinders 13 are symmetrically and fixedly installed on both sides of the workbench 1. The output end of the cylinders 13 is fixedly connected to the connecting blocks 14. One end of each of the two connecting blocks 14 is fixedly connected to the two sides of the second slot 3. The second slot 3 is connected to the output end of the cylinders 13 as a whole through the connecting blocks 14. The output end of the cylinders 13 can drive the second slot 3 to move linearly along the slide rails to adjust the distance between the second slot 3 and the first slot 2 so that it fits the width of the polyurethane cold storage panel.
[0023] A collection box 17 is provided on the right side of the workbench 1. Branch pipes 15 are symmetrically arranged on the front and back of the workbench 1. Multiple ports of the two branch pipes 15 are respectively inserted into slot 2 and slot 3. A dust collection mechanism is provided between the branch pipes 15 and the collection box 17. The dust collection mechanism includes a conveying pipe 16, a fan 18, and a filter element 19. The top left side of the collection box 17 is connected to one end of each of the two branch pipes 15 via the conveying pipe 16. The top of the collection box 17 is provided with a top cover. The input end of the fan 18 is connected to the filter element 19. One end of the filter element 19 is connected to the bottom of the back side of the collection box 17. The fan 18 vents the air inside the collection box 17, thus... The inside of the collection box 17 is under negative pressure. The collection box 17 is connected to the inside of two branch pipes 15 through the conveying pipe 16. Multiple ports on the two branch pipes 15 are connected to the inside of the first slot 2 and the second slot 3 respectively. When grinding, the dust falls into the inside of the first slot 2 and the second slot 3. The pressure difference causes the inside of the collection box 17 to generate suction. First, the dust inside the first slot 2 and the second slot 3 is sucked into the inside of the two branch pipes 15 respectively. The branch pipes 15 convey the dust to the inside of the collection box 17 through the conveying pipe 16. The dust is separated from the air through the filter element 19, so that the dust is trapped inside the collection box 17. The dust can be centrally processed by opening the top cover.
[0024] This edge grinding device for processing polyurethane cold storage panels uses a rotary motor 20 to drive a right-hand rotating shaft 4. The two ends of a sandpaper belt 6 rub against the outer walls of the right-hand rotating shaft 4 and the left-hand rotating shaft 5, respectively. A support block supports the sandpaper belt 6, causing it to rotate linearly back and forth. When the sandpaper belt 6 contacts the polyurethane cold storage panel, both sides of the panel automatically rub against the two sandpaper belts 6, automatically grinding the edges and corners. The position of the sandpaper belt 6 relative to the polyurethane cold storage panel is fixed, ensuring effective grinding of the polyurethane cold storage panel.
[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A grinding device for the edges and corners of polyurethane cold storage panels, comprising a worktable (1), a first groove (2), and a second groove (3), characterized in that: The workbench (1) has a first slot (2) and a second slot (3) symmetrically arranged on its front and back sides respectively. A rotary motor (20) is fixedly installed on the right side of the first slot (2) and the second slot (3). The output end of the rotary motor (20) is fixedly connected to a right rotating shaft (4). A left rotating shaft (5) is provided on the left side of the workbench (1). A sandpaper belt (6) is connected between the left rotating shaft (5) and the right rotating shaft (4). An adjustment mechanism matching the left rotating shaft (5) is symmetrically arranged on the left side of the front and back sides of the workbench (1). Multiple rollers (7) are rotatably installed inside the first slot (2) and the second slot (3). A support block matching the sandpaper belt (6) is provided inside the second slot (3). The adjustment mechanism includes a fixed frame (9), a slide groove (10), a connecting arm (11), and a threaded rod (12). The fixed frame (9) is symmetrically fixedly connected to the left side of the front and back of the workbench (1). The top of the fixed frame (9) is provided with a slide groove (10). The bottom of the slide groove (10) is slidably connected to the connecting arm (11). The left end of the connecting arm (11) is hinged to the top end of the left rotating shaft (5). The right end of the connecting arm (11) is fixedly connected to the threaded rod (12). The top end of the threaded rod (12) passes through the inner wall of the slide groove (10) and is threaded with a nut.
2. The edge grinding device for processing polyurethane cold storage panels according to claim 1, characterized in that: The top of the workbench (1) is symmetrically fixedly connected with a slide rail, the bottom of the second slot (3) is slidably connected to the slide rail, and the two sides of the workbench (1) are symmetrically provided with moving mechanisms.
3. The edge grinding device for processing polyurethane cold storage panels according to claim 2, characterized in that: The moving mechanism includes a cylinder (13) and a connecting block (14). The cylinder (13) is symmetrically fixedly installed on both sides of the workbench (1). The output end of the cylinder (13) is fixedly connected to the connecting block (14). One end of the two connecting blocks (14) is fixedly connected to both sides of the second slot (3).
4. The edge grinding device for processing polyurethane cold storage panels according to claim 1, characterized in that: The workbench (1) is provided with a material collection box (17) on the right side. The workbench (1) is provided with branch pipes (15) symmetrically on the front and back. Multiple ports of the two branch pipes (15) are inserted into the interior of the first slot (2) and the second slot (3) respectively. A dust collection mechanism is provided between the branch pipes (15) and the material collection box (17).
5. The edge grinding device for processing polyurethane cold storage panels according to claim 4, characterized in that: The dust collection mechanism includes a conveying pipe (16), a fan (18), and a filter element (19). The top left side of the collection box (17) is connected to one end of two branch pipes (15) through the conveying pipe (16). The top of the collection box (17) is provided with a top cover. The input end of the fan (18) is connected to the filter element (19). One end of the filter element (19) is connected to the bottom of the back side of the collection box (17).
6. The edge grinding device for processing polyurethane cold storage panels according to claim 1, characterized in that: The inner sides of the first slot (2) and the second slot (3) are provided with drive chambers (8). One end of each roller (7) passes through the interior of the drive chamber (8) and is fixedly connected to a pulley. The outer side of the pulley is provided with meshing teeth. Multiple pulleys are connected to each other by toothed synchronous belts. A micro motor is fixedly installed on one side inside the drive chamber (8). The output end of the micro motor is fixedly connected to the outer side of one of the pulleys.