Positioning structure for polishing rectangular pipe orifice
By combining the pushing, clamping, and limiting structures, the problem of inaccurate positioning during rectangular tube end grinding was solved, achieving efficient and precise positioning and grinding results, and improving the processing quality and efficiency of rectangular tubes.
Patent Information
- Application Number
- CN202520208905.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing rectangular tube end grinding and positioning devices have simple structures, making it difficult to accurately and stably fix rectangular tubes, resulting in uneven, excessive, or insufficient grinding, which affects processing quality and efficiency.
The system employs a combination of a propulsion mechanism, a clamping mechanism, and a limiting structure to achieve rapid and precise positioning of rectangular tubes. This includes servo motor-driven propulsion and bidirectional threaded rod clamping, combined with a limiting design using a U-shaped frame and an L-shaped clamping plate.
It improves the quality and production efficiency of rectangular tube end grinding, ensures the uniformity and stability of grinding, and enhances the convenience of operation.
Smart Images

Figure CN223876793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rectangular tube processing technical field especially, relates to a kind of positioning structure for rectangular tube orifice polishing. BACKGROUND
[0002] In the production process of rectangular tube, orifice polishing is an important process. At present, the existing rectangular tube orifice polishing positioning device is mostly simple structure, which is difficult to accurately and stably fix the rectangular tube, leading to uneven polishing, excessive or insufficient polishing and other problems during polishing, seriously affecting the processing quality of rectangular tube, and the operation is inconvenient, which reduces the production efficiency. Therefore, the present application provides a positioning structure for rectangular tube orifice polishing. SUMMARY
[0003] In view of the deficiencies of the prior art, the utility model provides a positioning structure for rectangular tube orifice polishing, which can quickly and accurately position rectangular tubes of different specifications by the cooperation of the advancing mechanism, clamping mechanism and limiting structure, effectively improving the orifice polishing quality and production efficiency, and overcoming the deficiencies of the prior art.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A positioning structure for rectangular tube orifice polishing, comprising a base, a advancing mechanism is installed in the middle of the base, a moving rod is connected to the advancing mechanism, a clamping mechanism is installed on the moving rod, a side middle of the moving rod is fixed with a supporting plate, a U-shaped bracket is fixed on the side wall of the supporting plate, and a limiting structure is provided on the U-shaped bracket.
[0006] The limiting structure comprises a first screw rod screwed on the horizontal section of the U-shaped bracket, a L-shaped clamping plate is rotatably connected to the lower end of the first screw rod through a bearing, and a hand wheel is provided on the upper end of the first screw rod.
[0007] As a further scheme of the utility model: the advancing mechanism comprises a strip-shaped hole opened in the middle of the base, a second screw rod is rotatably installed in the strip-shaped hole through a bearing, a servo motor is fixed on the side outer wall of the base, the output end of the servo motor extends into the strip-shaped hole and is connected to one end of the second screw rod, a sliding block is screwed on the second screw rod, and the sliding block is connected to the lower end surface of the moving rod.
[0008] As a further scheme of the utility model: the clamping mechanism comprises a strip-shaped slot opened in the moving rod, a bidirectional threaded rod is rotatably installed in the strip-shaped slot through a bearing, two moving blocks are screwed on both ends of the bidirectional threaded rod, the bottom of each moving block is slidingly connected with the strip-shaped slot, a clamping plate is fixed on the top of the opposite side of each moving block, and a hand wheel is provided on one end of the bidirectional threaded rod extending to the outside of the moving rod.
[0009] As a further scheme of the utility model: two clamping plates are provided with rubber pads on opposite sides.
[0010] As a further scheme of the utility model: the U-shaped frame is provided with limiting holes on both vertical sections, and the L-shaped clamping plate is fixed with a supporting rod on one side, and the two ends of the supporting rod are respectively slidably connected with the two limiting holes.
[0011] As a further scheme of the utility model: the base is provided with fixing holes at four corners.
[0012] The utility model has the advantages of:
[0013] The cooperation of the advancing mechanism, the clamping mechanism and the limiting structure can quickly and accurately position rectangular pipes of different specifications, effectively improve pipe mouth polishing quality and production efficiency, and have strong practicability and popularization value. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model provides a first perspective three-dimensional structure schematic view of a positioning structure for rectangular pipe mouth polishing.
[0015] Figure 2 The utility model provides a second perspective three-dimensional structure schematic view of a positioning structure for rectangular pipe mouth polishing.
[0016] Figure 3 The utility model provides a positioning structure for rectangular pipe mouth polishing. Figure 1 The utility model provides an enlarged structure schematic view of position A.
[0017] Figure 4 The utility model provides an enlarged structure schematic view of position B. Figure 2 The utility model provides an enlarged structure schematic view of position B.
[0018] In the drawing: 1, base; 2, servo motor; 3, U-shaped frame; 4, supporting plate; 5, clamping plate; 6, moving block; 7, strip-shaped groove; 8, bidirectional screw rod; 9, moving rod; 10, strip-shaped hole; 11, second screw rod; 12, sliding block; 13, first screw rod; 14, supporting rod; 15, L-shaped clamping plate; 16, limiting hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] Embodiment 1, refer to Figures 1-4The utility model provides a positioning structure for rectangular pipe orifice polishing, including base 1, the four corners of base 1 are all provided with fixed hole, and base 1 can be fixed to the installation position from the fixed hole by bolt, the middle part of base 1 is installed with propelling mechanism, propelling mechanism is connected with moving lever 9, and moving lever 9 is installed with clamping mechanism, and the middle part of one side of moving lever 9 is fixed with supporting plate 4, and the lateral wall of supporting plate 4 is fixed with U type frame 3, and U type frame 3 is provided with limiting structure,
[0021] The limiting structure comprises a first screw rod 13 screwed on the horizontal segment of the U-shaped frame 3, a lower end of the first screw rod 13 is rotatably connected with an L-shaped clamping plate 15 through a bearing, and an upper end of the first screw rod 13 is provided with a hand wheel.
[0022] The propelling mechanism comprises a strip-shaped hole 10 formed in the middle part of the base 1, a second screw rod 11 is rotatably installed in the strip-shaped hole 10 through a bearing, an outer wall of one side of the base 1 is fixed with a servo motor 2, an output end of the servo motor 2 extends into the strip-shaped hole 10 and is connected with one end of the second screw rod 11, a sliding block 12 is screwed on the second screw rod 11, and the sliding block 12 is connected with a lower end surface of the moving lever 9.
[0023] The clamping mechanism comprises a strip-shaped slot 7 formed on the moving lever 9, a bidirectional screw rod 8 is rotatably installed in the strip-shaped slot 7 through a bearing, two moving blocks 6 are screwed on two ends of the bidirectional screw rod 8, the bottom of each of the two moving blocks 6 is slidably connected with the strip-shaped slot 7, the top of one side of each of the two moving blocks 6 is fixed with a clamping plate 5, one end of the bidirectional screw rod 8 extends to the outside of the moving lever 9 and is provided with a hand wheel, and the one side of each of the two clamping plates 5 opposite to the other side is provided with a rubber pad.
[0024] Limiting holes 16 are formed on the vertical segments of the two sides of the U-shaped frame 3, a supporting rod 14 is fixed on one side of the L-shaped clamping plate 15, and the two ends of the supporting rod 14 are slidably connected with the two limiting holes 16 respectively.
[0025] The rectangular pipe is placed on the upper end of the moving lever 9 and the supporting plate 4, one end of the rectangular pipe not needed to be polished is placed below the L-shaped clamping plate 15, the L-shaped clamping plate 15 is clamped on the one end of the rectangular pipe not needed to be polished by rotating the first screw rod 13, the two moving blocks 6 are moved close to each other by rotating the bidirectional screw rod 8, the rectangular pipe is clamped by the two clamping plates 5, and then the rectangular pipe is more stable, the second screw rod 11 is driven to rotate by the servo motor 2, the moving lever 9 and the sliding block 12 are moved by the second screw rod 11, and then the rectangular pipe is moved, so that the one end of the rectangular pipe needed to be polished is close to the polishing device, and the polishing is realized.
[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A positioning structure for rectangular pipe mouth polishing, comprising a base (1), characterized in that, The middle part of the base (1) is provided with a propelling mechanism, a moving rod (9) is connected to the propelling mechanism, a clamping mechanism is installed on the moving rod (9), a supporting plate (4) is fixed to the middle part of one side of the moving rod (9), a U-shaped frame (3) is fixed to the side wall of the supporting plate (4), and a limiting structure is arranged on the U-shaped frame (3); The limiting structure comprises a first screw rod (13) screwed on the horizontal section of the U-shaped frame (3), the lower end of the first screw rod (13) is rotatably connected with an L-shaped clamping plate (15) through a bearing, and the upper end of the first screw rod (13) is provided with a hand wheel; The propelling mechanism comprises a strip-shaped hole (10) formed in the middle part of the base (1), a second screw rod (11) is rotatably installed in the strip-shaped hole (10) through a bearing, a servo motor (2) is fixed to the outer wall of one side of the base (1), the output end of the servo motor (2) extends into the strip-shaped hole (10) and is connected with one end of the second screw rod (11), a sliding block (12) is screwed on the second screw rod (11), and the lower end surface of the moving rod (9) is connected with the sliding block (12); The clamping mechanism comprises a strip-shaped slot (7) formed on the moving rod (9), a bidirectional screw rod (8) is rotatably installed in the strip-shaped slot (7) through a bearing, moving blocks (6) are screwed on both ends of the bidirectional screw rod (8), the bottom of each moving block (6) is slidably connected with the strip-shaped slot (7), clamping plates (5) are fixed to the top of the opposite sides of the two moving blocks (6), and one end of the bidirectional screw rod (8) extends to the outside of the moving rod (9) and is provided with a hand wheel.
2. The positioning structure for polishing a rectangular pipe opening according to claim 1, wherein Rubber pads are arranged on the opposite sides of the two clamping plates (5).
3. The positioning structure for polishing a rectangular pipe orifice according to claim 1, wherein Limiting holes (16) are formed in the vertical sections of the two sides of the U-shaped frame (3), a supporting rod (14) is fixed to one side of the L-shaped clamping plate (15), and the two ends of the supporting rod (14) are slidably connected with the two limiting holes (16), respectively.
4. The positioning structure for polishing a rectangular pipe orifice according to claim 1, wherein Fixed holes are formed in the four corners of the base (1).