A condenser shell grinding device
By designing the lifting frame and base, the problems of shell deformation, scratches, and low grinding efficiency during the use of the condenser shell grinding device are solved, achieving a highly efficient and stable shell surface grinding effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 吉林金泽农药有限公司
- Filing Date
- 2025-06-20
- Publication Date
- 2026-05-26
AI Technical Summary
When using existing condenser shell grinding devices, local protrusions or uneven hardness on the shell surface can easily lead to shell deformation or scratches. Insufficient pressure results in low grinding efficiency, making it impossible to effectively remove oxide layers and burrs. During long-term operation, the grinding belt may loosen due to frictional heat, leading to slippage and deviation.
A condenser shell polishing device was designed. Through the combination structure of the lifting frame and the base, the lifting frame ensures that the tension of the polishing belt is always in the optimal working range, and the base adapts to the pressure changes on the shell surface through springs and rubber sleeves to avoid shell deformation and scratches. At the same time, it precisely applies force to remove oxide layers and burrs at the defects on the material surface.
It effectively prevents the grinding belt from slipping and deviating, improves grinding efficiency and surface quality consistency, avoids shell deformation and scratches, and ensures the stability and precision of the grinding process.
Smart Images

Figure CN224274510U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of condenser shell processing, specifically a condenser shell grinding device. Background Technology
[0002] As a key component in refrigeration systems, air conditioning equipment, and industrial heat exchange systems, the surface quality of the condenser shell directly affects the equipment's sealing performance, corrosion resistance, and service life. With the rapid development of industries such as new energy vehicles and large-scale refrigeration units, the production scale of condenser shells is constantly expanding, and the requirements for grinding efficiency and quality are also increasing. Therefore, a condenser shell grinding device is needed.
[0003] Existing condenser shell grinding devices, when operating, can cause deformation, scratches, or even penetration of thin-walled structures due to excessive fixing pressure when there are local protrusions or uneven hardness on the shell surface. Insufficient pressure, on the other hand, results in low grinding efficiency, failing to effectively remove oxide layers, burrs, and other defects, making it difficult to ensure consistent surface quality. During long-term high-speed operation, the grinding belt experiences a decrease in elastic modulus due to frictional heat and material fatigue, leading to relaxation and difficulty in maintaining constant tension. As usage time increases, the grinding belt gradually loosens, easily causing slippage and deviation. Therefore, there is an urgent need for a new condenser shell grinding device. Utility Model Content
[0004] Based on this, the purpose of this utility model is to provide a condenser shell grinding device to solve the problems of existing condenser shell grinding devices. When there are local protrusions or uneven hardness on the shell surface, excessive fixing pressure can easily lead to shell deformation, scratches, or even penetration of thin-walled structures. On the other hand, insufficient pressure will result in low grinding efficiency, making it impossible to effectively remove oxide layers, burrs, and other defects, and making it difficult to ensure consistent surface quality. During long-term high-speed operation, the grinding belt will experience a decrease in elastic modulus due to frictional heat and material fatigue, leading to relaxation and difficulty in maintaining constant tension. As the usage time increases, the grinding belt will gradually loosen, easily causing slippage and deviation.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a condenser shell polishing device, comprising a base, a guide gear frame welded to the outer wall of the base, a transmission gear meshing with one side of the guide gear frame, a synchronous motor fixedly connected to the inner wall of the transmission gear, a positioning rod fixedly connected to the inner wall of the synchronous motor, a movable frame fixedly connected to the outer wall of the positioning rod, an electric push rod installed on the inner wall of the movable frame, a connecting frame installed at one end of the electric push rod, a lifting frame welded to one side of the connecting frame, a first drive motor fixedly connected to the outer wall of the lifting frame, a transmission cylinder fixedly connected to one end of the first drive motor, a polishing belt attached to the outer wall of the transmission cylinder, and a first rotating cylinder attached to the inner wall of the polishing belt.
[0006] The outer wall of the base is abutted against a first spring, one end of the first spring abuts against a contact frame, a second rotating cylinder is installed on the outer wall of the contact frame, a first rubber sleeve is adhered to the outer wall of the second rotating cylinder, the outer wall of the first rubber sleeve abuts against the condenser shell body, the inner wall of the base abuts against a second spring, one end of the second spring is welded to a mounting frame, the inner wall of the mounting frame is fixedly connected to a fixing rod, the outer wall of the fixing rod is fixedly connected to a second drive motor, one end of the second drive motor is fixedly connected to a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, one side of the second bevel gear is welded to a third rotating cylinder, the outer wall of the third rotating cylinder is adhered to a second rubber sleeve.
[0007] Preferably, the lifting frame is movably connected to the first rotating drum, and the first rotating drum is symmetrically arranged about the central axis of the lifting frame.
[0008] Preferably, the inner wall of the grinding belt is in close contact with the outer wall of the first rotating cylinder, and the length of the inner wall of the first rotating cylinder is greater than the width of the outer wall of the grinding belt.
[0009] Preferably, the abutment frame is movably connected to the base, and the inner wall of the base has an open design.
[0010] Preferably, the outer wall of the second rotating cylinder is in close contact with the inner wall of the first rubber sleeve, and the outer wall diameter of the second rotating cylinder is smaller than the inner wall diameter of the first rubber sleeve.
[0011] Preferably, the fixing rod is threadedly connected to the second drive motor, and the fixing rod is symmetrically arranged about the central axis of the second drive motor.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model uses a lifting frame to move the first rotating drum. The lifting frame facilitates continuous tension when the grinding belt is pressed down for grinding. Regardless of whether the grinding belt shows a tendency to loosen, the lifting frame ensures that the tension is always maintained in the optimal working range after it descends, effectively preventing slippage and deviation, and increasing the practicality of the device.
[0014] 2. This utility model uses a base to enable the contact frame to move. When using the device, the first spring and the contact frame are designed to automatically adapt to the grinding pressure on the condenser shell body, avoiding shell deformation, scratches or thin-wall damage due to excessive pressure. It can also apply sufficient force precisely to the defects on the material surface to efficiently remove oxide layers and burrs. Attached Figure Description
[0015] Figure 1 This is a top view of the present invention;
[0016] Figure 2 This is a schematic diagram of the front view of this utility model.
[0017] Figure 3 This is a structural schematic diagram of the present invention viewed from above.
[0018] Figure 4 This utility model Figure 1 Enlarged structural diagram of section A in the middle;
[0019] Figure 5 This utility model Figure 3 Enlarged structural diagram of section B in the middle.
[0020] In the diagram: 1. Base; 2. Guide gear; 3. Transmission gear; 4. Synchronous motor; 5. Positioning rod; 6. Moving frame; 7. Electric push rod; 8. Connecting frame; 9. Lifting frame; 10. First drive motor; 11. Transmission cylinder; 12. Grinding belt; 13. First rotating drum; 14. First spring; 15. Contact frame; 16. Second rotating drum; 17. First rubber sleeve; 18. Condenser shell body; 19. Second spring; 20. Mounting frame; 21. Fixing rod; 22. Second drive motor; 23. First bevel gear; 24. Second bevel gear; 25. Third rotating drum; 26. Second rubber sleeve. Detailed Implementation
[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0022] The embodiments of this utility model will be described below based on its overall structure.
[0023] Please see Figure 1-5A condenser shell polishing device includes a base 1. Guide gears 2 are welded to the outer walls of the base 1. A transmission gear 3 is meshed with one side of the guide gear 2. A synchronous motor 4 is fixedly connected to the inner wall of the transmission gear 3. Positioning rods 5 are fixedly connected to the inner walls of the synchronous motors 4. A movable frame 6 is fixedly connected to the outer wall of the positioning rods 5. An electric push rod 7 is installed on the inner wall of the movable frame 6. A connecting frame 8 is installed at one end of the electric push rod 7. A lifting frame 9 is welded to one side of the connecting frame 8. A first drive motor 10 is fixedly connected to the outer wall of the lifting frame 9. A transmission cylinder 11 is fixedly connected to one end of the first drive motor 10. A polishing belt is attached to the outer wall of the transmission cylinder 11. 12. The inner wall of the grinding belt 12 is fitted with the first rotating cylinder 13. The lifting frame 9 is movably connected to the first rotating cylinder 13, and the first rotating cylinder 13 is symmetrically arranged about the central axis of the lifting frame 9. The inner wall of the grinding belt 12 is tightly fitted with the outer wall of the first rotating cylinder 13, and the length of the inner wall of the first rotating cylinder 13 is greater than the width of the outer wall of the grinding belt 12. The lifting frame 9 is set to move the first rotating cylinder 13. The setting of the lifting frame 9 makes it easy for the grinding belt 12 to be continuously tightened when it is pressed down for grinding. Regardless of whether the grinding belt 12 shows a tendency to loosen, the lifting frame 9 ensures that the tension is always maintained in the optimal working range after it descends, effectively preventing slippage and deviation, and increasing the practicality of the device.
[0024] Please see Figure 1-5 A condenser shell polishing device includes a base 1 whose outer wall abuts against a first spring 14. One end of the first spring 14 abuts against a contact frame 15, which is movably connected to the base 1. The inner wall of the base 1 has an open design. A second rotating cylinder 16 is mounted on the outer wall of the contact frame 15. A first rubber sleeve 17 is bonded to the outer wall of the second rotating cylinder 16, and the outer wall of the second rotating cylinder 16 is in close contact with the inner wall of the first rubber sleeve 17. The outer diameter of the second rotating cylinder 16 is smaller than the inner diameter of the first rubber sleeve 17. The outer wall of the first rubber sleeve 17 abuts against the condenser shell body 18. A second spring 19 abuts against the inner wall of the base 1. One end of the second spring 19 is welded to a mounting bracket 20. A fixing rod 21 is fixedly connected to the inner wall of the mounting bracket 20, and a second drive rod 21 is fixedly connected to the outer wall of the fixing rod 21. The drive motor 22 and the fixing rod 21 are threadedly connected to the second drive motor 22, and the fixing rod 21 is symmetrically arranged with respect to the central axis of the second drive motor 22. One end of the second drive motor 22 is fixedly connected to the first bevel gear 23, and one side of the first bevel gear 23 is meshed with the second bevel gear 24. One side of the second bevel gear 24 is welded to the third rotating cylinder 25, and the outer wall of the third rotating cylinder 25 is bonded with the second rubber sleeve 26. The base 1 is set to move the contact frame 15. When using the device, the setting of the first spring 14 and the contact frame 15 facilitates automatic adjustment to the grinding pressure of the condenser shell body 18, avoiding shell deformation, scratches or thin-wall damage due to excessive pressure, and can accurately apply sufficient force to the defects on the material surface to efficiently remove the oxide layer and burrs.
[0025] Working principle: In use, take out the device and place it in the designated position. Secure the positioning rod 5 to the synchronous motor 4 with a thread, then secure the fixing rod 21 to the second drive motor 22 with a thread. Open the electric push rod 7, which drives the lifting frame 9 to rise, placing the condenser shell body 18 on the upper end of the contact frame 15. Lower the lifting frame 9, bringing the grinding belt 12 into contact with the condenser shell body 18. Open the second drive motor 22, which drives the first bevel gear 23 to rotate, thus moving the first bevel gear 23... The second bevel gear 24 is rotated, which drives the third rotating drum 25 to rotate, which in turn drives the condenser shell body 18 to rotate. The first drive motor 10 is turned on, which drives the grinding belt 12 to rotate and grind. The synchronous motor 4 is turned on, which drives the transmission gear 3 to rotate, moving the lifting frame 9 to grind the condenser shell body 18. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A condenser shell polishing apparatus comprising a base (1) characterised in that: The outer wall of the base (1) is welded with a guide gear frame (2). A transmission gear (3) is meshed with one side of the guide gear frame (2). A synchronous motor (4) is fixedly connected to the inner wall of the transmission gear (3). A positioning rod (5) is fixedly connected to the inner wall of the synchronous motor (4). A moving frame (6) is fixedly connected to the outer wall of the positioning rod (5). An electric push rod (7) is installed on the inner wall of the moving frame (6). A connecting frame (8) is installed at one end of the electric push rod (7). A lifting frame (9) is welded to one side of the connecting frame (8). A first drive motor (10) is fixedly connected to the outer wall of the lifting frame (9). A transmission cylinder (11) is fixedly connected to one end of the first drive motor (10). A grinding belt (12) is attached to the outer wall of the transmission cylinder (11). A first rotating cylinder (13) is attached to the inner wall of the grinding belt (12). The outer wall of the base (1) is in contact with a first spring (14), one end of the first spring (14) is in contact with a contact frame (15), the outer wall of the contact frame (15) is fitted with a second rotating cylinder (16), the outer wall of the second rotating cylinder (16) is bonded with a first rubber sleeve (17), the outer wall of the first rubber sleeve (17) is in contact with a condenser shell body (18), the inner wall of the base (1) is in contact with a second spring (19), one end of the second spring (19) is welded with a mounting bracket (20), the inner wall of the mounting bracket (20) is fixedly connected with a fixing rod (21), the outer wall of the fixing rod (21) is fixedly connected with a second drive motor (22), one end of the second drive motor (22) is fixedly connected with a first bevel gear (23), one side of the first bevel gear (23) is meshed with a second bevel gear (24), one side of the second bevel gear (24) is welded with a third rotating cylinder (25), the outer wall of the third rotating cylinder (25) is bonded with a second rubber sleeve (26).
2. The condenser shell polishing device according to claim 1, characterized in that: The lifting frame (9) is movably connected to the first rotating drum (13), and the first rotating drum (13) is symmetrically arranged about the central axis of the lifting frame (9).
3. The condenser shell polishing device according to claim 1, characterized in that: The inner wall of the grinding belt (12) is closely fitted with the outer wall of the first rotating cylinder (13), and the length of the inner wall of the first rotating cylinder (13) is greater than the width of the outer wall of the grinding belt (12).
4. The condenser shell polishing device according to claim 1, characterized in that: The contact frame (15) is movably connected to the base (1), and the inner wall of the base (1) is designed with openings.
5. A condenser shell polishing device according to claim 1, characterized in that: The outer wall of the second rotating cylinder (16) is tightly fitted with the inner wall of the first rubber sleeve (17), and the outer wall diameter of the second rotating cylinder (16) is smaller than the inner wall diameter of the first rubber sleeve (17).
6. The condenser shell polishing device according to claim 1, characterized in that: The fixing rod (21) is threadedly connected to the second drive motor (22), and the fixing rod (21) is symmetrically arranged with respect to the central axis of the second drive motor (22).