Totally-enclosed sandless double-axle polishing positioner

Abstract

The utility model provides full enclosed no sand double -shaft polishing positioner of piling up, belong to polishing equipment technical field, including frame and the rotary setting gantry of frame, and the rotary setting support disc of gantry, support disc is used for placing work piece on, and the rotary structure of both ends of gantry, and / or the rotary structure of support disc is equipped with sealing structure, is used for making the rotary structure place keep sealed, every rotary structure all includes a rotary setting rotary shaft, sealing structure includes the locating ring, its through extension ring fixed in rotary shaft outer ring, and with rotary shaft is located same axis, the article groove is in the inboard place of locating ring, and the article groove is located same axis with locating ring, the sealing element, it also is annular structure and fills in the article groove, and the inboard of sealing element and rotary shaft outer surface abut, the outer ring of sealing element and the inside of article groove abut, the utility model discloses can avoid dust floating into the positioner internal space when polishing work piece to cause the influence of click etc.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, specifically to a fully enclosed, sand-free, dual-shaft grinding positioner. Background Technology

[0002] In the grinding industry, grinding positioners are key pieces of equipment, and their performance directly affects the quality and efficiency of grinding operations, as well as the equipment's lifespan and maintenance costs. However, existing grinding positioners on the market currently have many design and application flaws that urgently need to be addressed.

[0003] Existing grinding positioners suffer from serious deficiencies in terms of sealing. Most grinding positioners fail to achieve complete sealing or have inadequate sealing. During the grinding process, a large amount of dust and abrasive particles are generated. These tiny particles can easily enter the precision components inside the equipment, such as the slewing bearing, gears, motors, and reducers. Once these precision components are infiltrated by dust or abrasive particles, it will lead to accelerated wear, operational stalls, or even damage, causing equipment failure and severely impacting the normal operation of grinding, resulting in significant economic losses. For example, in the grinding production of some precision parts, due to inadequate sealing of the positioner, the motor has burned out due to dust ingress, not only delaying production but also requiring substantial funds to replace the motor and repair the equipment. Utility Model Content

[0004] In view of this, the present invention provides a fully enclosed, dust-free, dual-shaft grinding positioner. The present invention can prevent dust from floating into the internal space of the positioner and affecting equipment such as motors when grinding workpieces.

[0005] To solve the above-mentioned technical problems, this utility model provides a fully enclosed, sand-free, dual-shaft grinding positioner, including a frame, a gantry frame rotatably mounted on the frame, and a support plate rotatably mounted on the gantry frame. The support plate is used to place the workpiece, and the support plate can drive the workpiece to rotate. The rotating gantry frame can adjust the position of the workpiece. Sealing structures are provided at the rotating structures at both ends of the gantry frame and / or the rotating structures of the support plate to maintain a seal at the rotating structures. Each rotating structure includes a rotating shaft. The sealing structure includes:

[0006] The positioning ring is fixed to the outer ring of the rotating shaft by an extension ring. The rotating shaft can rotate inside the inner ring of the positioning ring and is located on the same axis as the rotating shaft.

[0007] The storage slot is a ring-shaped structure placed inside the positioning ring. The storage slot is connected to the inner ring of the positioning ring, and the storage slot and the positioning ring are located on the same axis.

[0008] The seal, which is also in the form of a ring, is filled in the storage groove. The inner ring of the seal abuts against the outer surface of the rotating shaft, and the outer ring of the seal abuts against the inside of the storage groove. The seal is used to seal the gap between the positioning ring and the rotating shaft.

[0009] The storage groove is located at the end of the positioning ring, that is, the storage groove is connected to the end face of the positioning ring. The end of the positioning ring near the storage groove is also connected to a limiting component, which is used to fix the position of the seal in the storage groove, thereby preventing the seal from sliding out of the storage groove.

[0010] The limiting component is fixed to the end of the positioning ring with bolts, which facilitates the replacement of the seal after the limiting component is disassembled.

[0011] The sealing element is a sealing ring, which has a plug-seal structure, meaning that even after wear occurs, the sealing ring can still adaptively seal the gap between the positioning ring and the rotating shaft.

[0012] The frame has a concave structure, meaning it has an opening where dust can fall. Inside the opening, there are guide blocks that connect to the two ends of the opening on both sides. The upper surface of the guide blocks has an inclined surface, allowing dust to slide to the ground along the inclined surface, thus eliminating the need for active cleaning of the frame.

[0013] The guide block has an isosceles triangular cross-section, meaning that the upper surface of the guide block has two symmetrical inclined surfaces, allowing dust to slide off from both sides of the frame.

[0014] The opening also includes two contact surfaces that abut against the two ends of the guide block. The two contact surfaces are arranged in a V-shape, and the distance between the bottom of the two contact surfaces is smaller than the distance between the top. After dust falls on the contact surfaces, it will slide onto the inclined surface of the guide block.

[0015] The frame is also equipped with two guide surfaces, which are located above the contact surface. The bottom of each guide surface is connected to the top of the corresponding contact surface. The two guide surfaces are arranged in a V-shape, and the distance between the bottoms of the two guide surfaces is smaller than the distance between the tops. Dust falling on the guide surfaces will slide onto the contact surface.

[0016] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0017] 1. A fully enclosed dynamic sealing system ensures zero dust intrusion into the core components of the equipment:

[0018] Three-level sealing mechanism: Through static sealing of positioning ring, dynamic compensation of plug seal and mechanical limit anti-detachment structure, a physical-elastic-mechanical composite protection system is constructed to intercept dust particles generated by grinding.

[0019] 2. The non-powered self-cleaning rack design completely eliminates the risk of dust accumulation:

[0020] The two inclined surfaces on the guide block allow dust falling onto the frame to slide off automatically. It also has a contact surface and a guide surface, which can guide the dust falling onto the frame to the upper surface of the guide block, thereby avoiding the need to clean the frame and indirectly increasing the workpiece processing efficiency.

[0021] 3. Modular maintenance and intelligent monitoring reduce total lifecycle costs:

[0022] Quick-maintenance design: The quick-release bolt structure of the limit ring reduces the seal replacement time to 3 minutes, and the standardized seal rings support cross-model compatibility, reducing inventory costs. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the fully enclosed, sand-free, dual-shaft grinding positioner of this utility model;

[0024] Figure 2 This is a structural schematic diagram of a cross-sectional view of the present invention;

[0025] Figure 3 This utility model Figure 2 Schematic diagram of the structure at point A;

[0026] Figure 4 This is a structural schematic diagram of the cross-section of the sealing plug of this utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 10. Frame; 11. Rotating shaft; 12. Guide block; 13. Contact surface; 14. Guide surface;

[0029] 20. Positioning ring; 21. Storage slot; 22. Sealing element; 23. Limiting element. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0031] This embodiment provides a fully enclosed, sand-free, dual-shaft grinding positioner, such as... Figure 2 , 3As shown: It includes a frame 10 and a gantry frame rotatably mounted on the frame 10. A support plate is rotatably mounted on the gantry frame. The support plate is used to place the workpiece and can drive the workpiece to rotate. In addition, the position of the workpiece can be adjusted with the help of the gantry frame. The rotating structures at both ends of the gantry frame and the rotating structure of the support plate are provided with sealing structures to keep the rotating structures sealed.

[0032] Each rotating structure includes a rotating shaft 11. The sealing structure includes a positioning ring 20 fixed to the outside of the rotating shaft 11 by an extension ring. The positioning ring 20 is sleeved on the outside of the rotating shaft 11 and is located on the same axis as the rotating shaft 11. The positioning ring 20 is also provided with a storage groove 21. The storage groove 21 is a ring structure and is located on the same axis as the positioning ring 20. The storage groove 21 is connected to the inner ring of the positioning ring 20. The storage groove 21 is used to place a sealing element 22. The sealing element 22 is also a ring structure. The inner ring of the sealing element 22 abuts against the outer surface of the rotating shaft 11, and the outer ring of the sealing element 22 abuts against the inner wall of the storage groove 21. Thus, the sealing element 22 can seal the gap between the positioning ring 20 and the rotating shaft 11, thereby preventing dust from entering the mechanical structure inside the positioner.

[0033] Preferably, the sealing element 22 is a sealing ring, specifically a plug seal. The plug seal has a K-shaped structure, meaning that the rotating shaft 11 will cause some wear on the outer surface of the sealing element 22 during rotation. The plug seal has an elastic element inside, which ensures that the inner ring of the plug seal always abuts against the outer surface of the rotating shaft 11, and the outer ring of the plug seal always abuts against the inner wall of the storage groove 21. This allows the plug seal to still function normally even when wear occurs, and only periodic replacement of the plug seal is required.

[0034] Specifically, the storage slot 21 is located on the end face of the positioning ring 20 away from the extension ring, such as... Figure 3 As shown: The corresponding storage groove 21 is also provided with a limiting member 23 on the end face of the positioning ring 20. The limiting member 23 is a ring structure and is located on the same axis as the positioning ring 20. The inner diameter of the limiting member 23 is smaller than the outer diameter of the storage groove 21, that is, the limiting member 23 can prevent the sealing member 22 from falling out of the storage groove 21.

[0035] Preferably, the limiting member 23 is detachably fixed to the positioning ring 20, that is, the limiting member 23 is fixed to the positioning ring 20 by multiple bolts. The sealing member 22 can be disassembled by removing the bolts, so that the sealing member 22 can be replaced. This ensures that the sealing structure can always keep the rotating shaft 11 sealed.

[0036] It is worth mentioning that the frame 10 has a concave structure, meaning that the frame 10 has an opening that allows dust to fall into. A guide block 12 is installed inside the opening. Figure 1As shown: the guide block 12 is connected to both ends of the opening on both sides, and the cross section of the guide block 12 is an isosceles triangle structure. The larger end of the guide block 12 is connected to the upper surface of the opening on the frame 10. The upper surface of the guide block 12 forms two symmetrically arranged inclined surfaces. That is, after the dust falls on the guide block 12 on the frame 10, it will slide to the ground with the inclined surfaces, so there is no need to clean the dust in the opening of the frame 10.

[0037] Furthermore, the open interior of the frame 10 is provided with two contact surfaces 13. The two contact surfaces 13 abut against the two ends of the guide block 12. The two contact surfaces 13 are arranged in a V-shape, and the distance between the bottom of the two contact surfaces 13 is smaller than the distance between the top. As a result, the dust falling on the contact surfaces 13 can slide onto the upper surface of the guide block 12, which can further guide the dust falling on the frame 10.

[0038] Furthermore, the frame 10 is also provided with two guide surfaces 14, which are located above the contact surface 13. The bottom of each guide surface 14 is connected to the top of the corresponding contact surface 13. The two guide surfaces 14 are arranged in a V-shape, and the distance between the bottoms of the two guide surfaces 14 is smaller than the distance between the tops. Dust falling on the guide surface 14 will slide onto the contact surface 13.

[0039] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A fully enclosed, sand-free, dual-shaft grinding positioner, comprising a frame (10) and a gantry frame rotatably mounted on the frame (10), and a support plate rotatably mounted on the gantry frame, wherein the support plate is used to place workpieces, characterized in that: The rotating structures at both ends of the gantry frame and / or the rotating structures of the support plate are provided with sealing structures to keep the rotating structures sealed. Each rotating structure includes a rotating shaft (11) that is rotatably set. The sealing structure includes: The positioning ring (20) is fixed to the outer ring of the rotating shaft (11) by an extension ring and is located on the same axis as the rotating shaft (11); The storage slot (21) is a ring structure placed inside the positioning ring (20), and the storage slot (21) and the positioning ring (20) are located on the same axis; The sealing element (22) is also in the form of an annular structure and is filled in the storage groove (21). The inner ring of the sealing element (22) abuts against the outer surface of the rotating shaft (11), and the outer ring of the sealing element (22) abuts against the inside of the storage groove (21).

2. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 1, characterized in that: The storage groove (21) is located at the end of the positioning ring (20), that is, the storage groove (21) is connected to the end face of the positioning ring (20). The end of the positioning ring (20) near the storage groove (21) is also connected to a limiting member (23) to fix the position of the sealing member (22) in the storage groove (21).

3. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 2, characterized in that: The limiting member (23) is fixed to the end of the positioning ring (20) by bolts.

4. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 1, characterized in that: The sealing element (22) is a sealing ring.

5. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 4, characterized in that: The sealing ring is a plug seal structure.

6. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 1, characterized in that: The frame (10) has a concave structure, that is, the frame (10) has an opening, and dust can fall into the opening. A guide block (12) is provided in the opening. The two sides of the guide block (12) are connected to the two ends inside the opening. The upper surface of the guide block (12) has an inclined surface, and the dust can slide to the ground along the inclined surface.

7. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 6, characterized in that: The cross-section of the guide block (12) is an isosceles triangle structure, that is, the upper surface of the guide block (12) has two symmetrical inclined surfaces.

8. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 6, characterized in that: The open interior of the frame also includes two contact surfaces (13), which abut against the two ends of the guide block (12). The two contact surfaces (13) are arranged in a V-shape, and the distance between the bottom of the two contact surfaces (13) is smaller than the distance between the top.

9. The fully enclosed, sand-free, dual-shaft grinding positioner as described in claim 8, characterized in that: The frame (10) is also provided with two guide surfaces (14), which are located above the contact surface (13). The bottom of each guide surface (14) is connected to the top of the corresponding contact surface (13). The two guide surfaces (14) are arranged in a V-shape, and the distance between the bottoms of the two guide surfaces (14) is smaller than the distance between the tops.

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