A polishing device for metal flange machining

By using a dual-station rotary drum design and an automatic cleaning system, the problem of excessive downtime caused by the single-station fixed structure of existing metal flange grinding equipment has been solved. This enables parallel operation of flange grinding, workpiece loading and unloading, and chuck cleaning, thereby improving the equipment's operating efficiency and automation level.

CN224674582UActive Publication Date: 2026-08-25TIANJIN ZHIHONG TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521864268.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-01
Publication Date
2026-08-25
Estimated Expiration
2035-09-01

AI Technical Summary

Technical Problem

Existing metal flange grinding equipment suffers from excessive downtime due to its fixed single-station structure, with too much time spent on non-processing steps, severely compressing the effective operating time and overall processing efficiency of the equipment.

Method used

The dual-station rotary drum design enables parallel operation of the flange by rotating the inner cover and three-jaw chuck. Grinding, workpiece loading and unloading, and chuck cleaning are carried out simultaneously. The rotary drum and cleaning scraper are used to automatically collect and clean debris.

Benefits of technology

It significantly reduces downtime in non-processing stages, increases the effective operating time of the equipment and overall processing efficiency, and improves the equipment's automated cleaning capabilities and continuous operation efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224674582U_ABST
    Figure CN224674582U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of grinding devices for metal flange processing, including protective cover, rotating cylinder is rotatably connected in protective cover inner wall, supporting bottom plate is installed at the bottom of protective cover, wherein, rotating cylinder both sides are equipped with two inner embedded covers, three-jaw chuck is installed in the inner wall of two inner embedded covers, the protective cover both ends are provided with the hole for allowing passage in the bottom of protective cover, one of the hole for allowing passage corresponds with the position of inner embedded cover, center hanging rod is installed at the center of the side of two three-jaw chucks, supporting bottom plate inner wall is slidably connected with horizontal moving base;Double-station is driven by rotating cylinder to work alternately, realize the parallel operation of polishing operation and workpiece loading and unloading, chuck cleaning, solve the problem that single fixed station needs to stop for auxiliary operation, resulting in too long downtime, greatly reduce non-processing link time consumption, improve the effective operation time and overall processing efficiency of equipment.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of grinding machine technology, specifically a grinding device for metal flange processing. Background Technology

[0002] In metal flange processing, surface grinding is a crucial process for ensuring sealing performance, assembly accuracy, and appearance quality. Grinding equipment uses power to drive tools such as grinding wheels and belts to move relative to the flange surface, removing defects such as burrs and oxide scale through abrasive cutting action. It is widely used in petrochemical, machinery manufacturing, and other fields. Currently, most existing metal flange grinding equipment adopts a single-station fixed structure. The workflow is as follows: the flange to be ground is manually fixed using chucks or other clamping devices, the equipment is started for grinding, and after completion, the machine is stopped, the workpiece is removed, and the residual metal shavings and abrasive powder on the clamping devices are cleaned. Finally, a new workpiece is installed, and the cycle is repeated. This structure has a significant efficiency bottleneck in actual production: the equipment downtime accounts for too high a percentage of the total time. Grinding operations only occupy a portion of the time, while non-processing steps such as workpiece loading and unloading and clamp cleaning often consume more than 50% of the single-piece grinding time, severely compressing the effective operating time of the equipment.

[0003] Therefore, this utility model provides a grinding device for metal flange processing. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides a grinding device for metal flange processing to solve the above problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for metal flange processing, comprising a protective cover, a rotating cylinder rotatably connected to the inner wall of the protective cover, a supporting base plate installed at the bottom of the protective cover, wherein two embedded covers are installed on both sides of the rotating cylinder, and three-jaw chucks are installed on the inner walls of the two embedded covers, and clearance through holes are provided at both ends of the protective cover at the bottom of the protective cover, one of the clearance through holes corresponding to the position of the embedded cover, a central hanging rod is installed at the center of the side of the two three-jaw chucks, a transverse base is slidably connected to the inner wall of the supporting base plate, a telescopic frame is slidably connected to the top of the transverse base, a second drive rod is rotatably connected to the inner wall of the telescopic frame, the second drive rod passes through the corresponding clearance through hole, a grinding head is installed at one end of the second drive rod, and a second drive unit for controlling the rotation of the second drive rod is installed on one side of the telescopic frame.

[0006] Preferably, a horizontal plate is installed between the two inner covers, the horizontal plate is located inside the rotating cylinder, and a first drive rod is installed on one side of the horizontal plate.

[0007] Preferably, transparent side panels can be detachably installed on both sides of the protective cover, and two support plates are installed on the side wall of one of the transparent side panels. A first driving part is installed between the two support plates, and the first driving rod is installed at the output end of the first driving part.

[0008] Preferably, two cleaning scrapers are installed on the outer side of the rotating cylinder, and both cleaning scrapers are slidably connected to the inner wall of the protective cover.

[0009] Preferably, a soft cone cover is installed inside one of the clearance through holes, and the soft cone cover is sleeved on the outside of the second drive rod.

[0010] Preferably, a base frame is installed at the bottom of the supporting base plate, and a storage box is installed between the supporting base plate and the base frame. Two discharge ports are opened on the supporting base plate, one of which corresponds to the bottom opening of the protective cover, and the other discharge port is located below one of the clearance through holes. A box door is installed at one end of the storage box.

[0011] Beneficial effects

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] This utility model allows for simultaneous disassembly of the already-polished flange, cleaning of chuck debris, and clamping of a new flange to be polished by a three-jaw chuck on the other side while the flange inside the embedded cover is being polished. After polishing, the rotating cylinder rotates to switch positions, aligning the newly clamped flange with the polishing head for the next round of work. The protective cover serves to protect and collect debris. By rotating the cylinder to drive the alternating operation of the two positions, parallel operation of polishing, workpiece loading and unloading, and chuck cleaning is achieved. This solves the problem of excessive downtime caused by the need to stop the machine for auxiliary operations at a single fixed position, significantly reducing the time spent on non-processing steps and improving the effective operating time and overall processing efficiency of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of this utility model. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of this utility model. Figure 2 ;

[0016] Figure 3 This is the utility model Figure 2 A magnified view of the structure at point A in the middle;

[0017] Figure 4 This is a three-dimensional enlarged structural schematic diagram of the rotating cylinder in this utility model.

[0018] In the diagram: 1. Protective cover; 11. Clearance through hole; 12. Transparent side plate; 13. Soft cone cover; 14. Support plate; 15. First drive unit; 2. Rotating cylinder; 21. Embedded cover; 22. Three-jaw chuck; 221. Central hanging rod; 23. Horizontal plate; 24. First drive rod; 25. Cleaning scraper; 3. Support base plate; 31. Horizontal sliding base; 32. Telescopic frame; 33. Second drive rod; 331. Grinding head; 34. Second drive unit; 35. Waste discharge port; 4. Base frame; 41. Waste storage box; 42. Box door. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-4 A grinding device for processing metal flanges includes a protective cover 1, a rotating cylinder 2 rotatably connected to the inner wall of the protective cover 1, and a supporting base plate 3 installed at the bottom of the protective cover 1.

[0021] The rotating cylinder 2 has two inner covers 21 installed on both sides. The inner walls of the two inner covers 21 are equipped with three-jaw chucks 22. The bottom of the protective cover 1 is equipped with clearance through holes 11 at both ends. One of the clearance through holes 11 corresponds to the position of the inner cover 21. The center hanging rod 221 is installed at the center of the side of the two three-jaw chucks 22.

[0022] It should be noted that the inner cover 21 described in this embodiment is embedded and installed on the outside of the rotating cylinder 2.

[0023] A transverse base 31 is slidably connected to the inner wall of the support base plate 3. A telescopic frame 32 is slidably connected to the top of the transverse base 31. A second drive rod 33 is rotatably connected to the inner wall of the telescopic frame 32. The second drive rod 33 passes through the corresponding clearance through hole 11. A grinding head 331 is installed at one end of the second drive rod 33. A second drive part 34 for controlling the rotation of the second drive rod 33 is installed on one side of the telescopic frame 32.

[0024] It should be noted that the horizontal base 31 and telescopic frame 32 described in this embodiment drive the second drive rod 33 to adjust its horizontal and vertical positions.

[0025] Specifically, firstly, the flange to be ground is clamped by the three-jaw chucks 22 inside the inner covers 21 on both sides of the rotating cylinder 2. The central hanging rod 221 assists in positioning the flange to ensure stable clamping. The inner covers 21 are embedded on the outside of the rotating cylinder 2 and can rotate synchronously with it. During the grinding operation, the horizontal sliding base 31 on the inner wall of the supporting base plate 3 slides to adjust its horizontal position, and the telescopic frame 32 on its top slides to achieve lifting adjustment, driving the second drive rod 33 to pass through the clearance holes 11 at both ends of the protective cover 1 and move precisely to the flange to be ground. The second drive unit 34 drives the second drive rod 33 to rotate, causing the grinding head 331 at the end to rotate at high speed. At the same time, the rotating cylinder 2 rotates on the inner wall of the protective cover 1, causing relative movement between the flange and the grinding head 331. The grinding action of the grinding head 331 completes the surface treatment of the flange. When the flange in the inner cover 21 on one side is being ground, the three-jaw chuck 22 on the other side can simultaneously disassemble the flange that has been ground, clean the chuck debris, and clamp the new flange to be ground. After the grinding is completed, the rotating cylinder 2 rotates to switch the work position, so that the newly clamped flange is aligned with the grinding head 331 for the next round of operation. The protective cover 1 plays the role of protection and collecting debris. This device drives the two work positions to work alternately through the rotating cylinder 2, realizing the parallel operation of grinding operation, workpiece loading and unloading, and chuck cleaning. It solves the problem of long downtime caused by the need to stop the machine for auxiliary operations at a single fixed work position, greatly reduces the time spent on non-processing links, and improves the effective operating time of the equipment and the overall processing efficiency.

[0026] In one embodiment of this utility model, such as Figures 1-4 As shown, a horizontal plate 23 is installed between the two inner covers 21. The horizontal plate 23 is located inside the rotating cylinder 2, and a first drive rod 24 is installed on one side of the horizontal plate 23.

[0027] It should be noted that the first drive rod 24 described in this embodiment is located at the center of the horizontal plate 23, and the first drive rod 24 drives the two inner covers 21 and the rotating cylinder 2 to rotate through the horizontal plate 23.

[0028] Specifically, the horizontal plate 23 installed between the two inner covers 21 is located inside the rotating cylinder 2. The first drive rod 24 located at the center of the horizontal plate 23 can drive the two inner covers 21 and the rotating cylinder 2 to rotate as a whole through the horizontal plate 23, thereby realizing the switching of the work position of the flange clamped by the three-jaw chuck 22 in the two inner covers 21. When one side of the flange is being ground by the grinding head 331, the first drive rod 24 is not driven temporarily. After the flange on that side is ground, the first drive rod 24 drives the rotating cylinder 2 and the inner cover 21 to rotate through the horizontal plate 23, so that the work position of the new flange that has been clamped on the other side rotates to the position corresponding to the grinding head 331. At the same time, the original grinding work position moves to the outside, which is convenient for the operator to disassemble the workpiece, clean up the debris and perform new clamping operations.

[0029] In one embodiment of this utility model, such as Figures 1-4As shown, transparent side panels 12 can be detachably installed on both sides of the protective cover 1. Two support plates 14 are installed on the side wall of one of the transparent side panels 12. A first drive unit 15 is installed between the two support plates 14, and a first drive rod 24 is installed at the output end of the first drive unit 15.

[0030] Specifically, transparent side panels 12 are detachably installed on both sides of the protective cover 1, which facilitates observation of the internal grinding process and allows for easy disassembly when maintenance is required. Two support plates 14 are installed on the side wall of one of the transparent side panels 12. A first drive unit 15 fixed between the two support plates 14 provides power to the first drive rod 24. The first drive rod 24 is installed at the output end of the first drive unit 15. The first drive unit 15 drives the first drive rod 24 to rotate, which in turn drives the rotating cylinder 2, the inner cover 21, and the three-jaw chuck 22 to rotate synchronously with the help of the horizontal plate 23. This achieves automated switching between the two workstations, ensuring that the grinding operation on one side and the workpiece loading, unloading, and cleaning operation on the other side can be carried out in a highly efficient and parallel manner.

[0031] In one embodiment of this utility model, such as Figures 1-4 As shown, two cleaning scrapers 25 are installed on the outside of the rotating cylinder 2, and both cleaning scrapers 25 are slidably connected to the inner wall of the protective cover 1.

[0032] It should be noted that the rotating cylinder 2 described in this embodiment uses two cleaning scrapers 25 to scrape and clean the debris inside the protective cover 1.

[0033] Specifically, when the rotating drum 2 rotates under the drive of the first drive rod 24 to switch work positions, the two cleaning scrapers 25 rotate synchronously with the rotating drum 2. During the rotation, they scrape the inner wall of the protective cover 1, scraping off and collecting the metal shavings, abrasive powder, etc. that are attached to the inner wall of the protective cover 1 during the grinding operation. This achieves automatic cleaning of the debris inside the protective cover 1, avoiding debris accumulation that may affect equipment operation or cause secondary pollution. At the same time, the dual-workstation design further enhances the overall automated cleaning capability and continuous operation efficiency of the equipment.

[0034] In one embodiment of this utility model, such as Figures 1-4 As shown, a soft cone cover 13 is installed inside one of the clearance through holes 11, and the soft cone cover 13 is sleeved on the outside of the second drive rod 33.

[0035] Specifically, a soft cone cover 13 is installed inside one of the clearance through holes 11 of the protective cover 1, and the soft cone cover 13 is sleeved on the outside of the second drive rod 33. Since the soft cone cover 13 has deformable characteristics, when the second drive rod 33 is adjusted horizontally and vertically through the transverse base 31 and the telescopic frame 32, the soft cone cover 13 can adapt to the movement of the second drive rod 33, and always maintain the shielding of the gap between the clearance through hole 11 and the second drive rod 33. This effectively prevents metal chips, abrasive powder and other materials generated during the grinding process from spreading outward from the clearance through hole 11, reducing pollution to the external environment, and at the same time preventing external impurities from entering the interior of the protective cover 1 and affecting the grinding operation accuracy.

[0036] In one embodiment of this utility model, such as Figures 1-4 As shown, a base frame 4 is installed at the bottom of the support base plate 3, and a storage box 41 is installed between the support base plate 3 and the base frame 4. Two discharge ports 35 are opened on the support base plate 3. One discharge port 35 corresponds to the bottom opening of the protective cover 1, and the other discharge port 35 is located below one of the clearance through holes 11. A box door 42 is installed at one end of the storage box 41.

[0037] Specifically, the bottom of the support base plate 3 is supported by the base frame 4. The storage box 41 installed between the support base plate 3 and the base frame 4 is used to collect the debris generated during grinding. The two discharge ports 35 on the support base plate 3 correspond to different sources of debris. One discharge port 35 is aligned with the bottom opening of the protective cover 1, and the debris scraped off by the cleaning scraper 25 inside the protective cover 1 can be guided into the storage box 41 through the discharge port 35. The other discharge port 35 is located below one of the clearance holes 11 and is used to collect the debris scattered from the vicinity of the clearance hole 11, ensuring that debris from different locations can be collected and enter the storage box 41 through the corresponding discharge port 35. The box door 42 at one end of the storage box 41 can be opened easily, which facilitates the regular cleaning of the debris collected inside. This realizes the automated collection and centralized processing of grinding debris, avoids the accumulation of debris affecting the operation of the equipment, and reduces the burden of manual cleaning.

[0038] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0039] Working principle: The flange is clamped by a three-jaw chuck 22 inside the inner cover 21 on both sides of the rotating cylinder 2, and the central hanging rod 221 assists in positioning. The transparent side plate 12 facilitates observation and is removable. The first drive unit 15 is fixed by the support plate 14, and drives the first drive rod 24 to rotate the rotating cylinder 2 and the inner cover 21 through the horizontal plate 23 to achieve dual-station switching. During grinding, the horizontal base 31 and the telescopic frame 32 adjust the position of the second drive rod 33 so that it passes through the clearance through hole 11 with the soft cone cover 13. The second drive unit 34 drives the grinding head 331 to rotate, and the relative motion with the rotating flange completes the grinding. The cleaning scraper 25 on the rotating cylinder 2 scrapes off the debris from the inner wall of the protective cover 1, and the debris falls into the storage box 41 on the base frame 4 through the discharge port 35 of the support base plate 3. The box door 42 facilitates cleaning. The dual-station design allows grinding and workpiece loading, unloading and cleaning to be carried out in parallel, reducing downtime and improving efficiency.

[0040] 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.

[0041] 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 grinding device for processing metal flanges, comprising a protective cover (1), characterized in that, The inner wall of the protective cover (1) is rotatably connected to a rotating cylinder (2), and a supporting base plate (3) is installed at the bottom of the protective cover (1). Two inner covers (21) are installed on both sides of the rotating cylinder (2). Three-jaw chucks (22) are installed on the inner walls of the two inner covers (21). The bottom of the protective cover (1) is provided with clearance through holes (11) at both ends of the protective cover (1). One of the clearance through holes (11) corresponds to the position of the inner cover (21). A central hanging rod (221) is installed at the center of the side of the two three-jaw chucks (22). The inner wall of the supporting base plate (3) is slidably connected to a transverse base (31), and the top of the transverse base (31) is slidably connected to a telescopic frame (32). The inner wall of the telescopic frame (32) is rotatably connected to a second drive rod (33). The second drive rod (33) passes through the corresponding clearance through hole (11). A grinding head (331) is installed at one end of the second drive rod (33). A second drive unit (34) for controlling the rotation of the second drive rod (33) is installed on one side of the telescopic frame (32).

2. The grinding device for metal flange processing according to claim 1, characterized in that, A horizontal plate (23) is installed between the two inner covers (21), the horizontal plate (23) is located inside the rotating cylinder (2), and a first drive rod (24) is installed on one side of the horizontal plate (23).

3. The grinding device for metal flange processing according to claim 2, characterized in that, The protective cover (1) has detachable transparent side plates (12) on both sides. Two support plates (14) are installed on the side wall of one of the transparent side plates (12). A first drive unit (15) is installed between the two support plates (14). The first drive rod (24) is installed at the output end of the first drive unit (15).

4. The grinding device for metal flange processing according to claim 1, characterized in that, Two cleaning scrapers (25) are installed on the outside of the rotating cylinder (2), and both cleaning scrapers (25) are slidably connected to the inner wall of the protective cover (1).

5. The grinding device for metal flange processing according to claim 1, characterized in that, A soft cone cover (13) is installed inside one of the clearance through holes (11), and the soft cone cover (13) is sleeved on the outside of the second drive rod (33).

6. The grinding device for metal flange processing according to claim 1, characterized in that, The bottom of the supporting base plate (3) is equipped with a base frame (4), and a storage box (41) is installed between the supporting base plate (3) and the base frame (4). Two discharge ports (35) are opened on the supporting base plate (3). One of the discharge ports (35) corresponds to the bottom opening of the protective cover (1), and the other discharge port (35) is located below one of the clearance through holes (11). A box door (42) is installed at one end of the storage box (41).