Sand changing barrel

Abstract

The invention belongs to the technical field of polishing equipment, and particularly relates to a sand changing barrel, which comprises an upper cover plate, a counterweight plate assembly, a guide rod, a sand barrel assembly and a sliding sleeve, and is characterized in that a quick and automatic sand changing function can be realized through an innovative structural design, the polishing operation efficiency is remarkably improved, and the waste of abrasive paper is reduced. The unique combination mode of the sand bucket assembly provides a novel abrasive paper fixing and releasing mechanism, and the abrasive paper use is optimized by accurately controlling the position and tension of the abrasive paper. A guiding and balancing system is formed through the design of the guiding rod and the counterweight plate assembly, and the stability and accuracy of the sand bucket assembly in the polishing process are guaranteed. The sand changing barrel is suitable for various polishing consumables with different mesh numbers, and different types of polishing mechanisms do not need to be replaced midway, so that the polishing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of polishing equipment, in particular to a sand changing barrel, which is used for quickly changing sandpaper during polishing operation to improve work efficiency and reduce sandpaper waste. The sand changing barrel of the present invention realizes a fast and automatic sand changing function through its unique structural design, significantly improves the efficiency of polishing operation, and reduces sandpaper waste. Background Art

[0002] In traditional polishing operations, the replacement of sandpaper usually needs to be done manually, which is not only time-consuming and labor-intensive, but also easily causes the loss of sandpaper during the replacement process. In addition, the movement and positioning of the sand bucket is also a problem. Therefore, there is an urgent need for a sand bucket that can quickly and efficiently replace sandpaper. Summary of the invention

[0003] The purpose of the present invention is to provide a sand changing bucket to solve the problems in the above background technology. The sand changing bucket of the present invention realizes the function of fast and automatic sand changing through its unique structural design, significantly improves the efficiency of polishing operation, and reduces the waste of sandpaper.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is to provide a sand changing bucket, including an upper cover plate, a counterweight plate assembly, a guide rod, a sand bucket assembly and a sliding sleeve stacked from bottom to top in the height direction, the sand bucket assembly includes a sliding shaft, a retaining spring, a chrome-plated rod and a top hook; the counterweight plate assembly includes a sliding shaft, a retaining spring and a counterweight plate; one end of the upper cover plate is fixed to an external mechanism. The sand changing bucket of the present invention realizes the function of fast and automatic sand changing through an innovative structural design, which significantly improves the efficiency of polishing operations.

[0005] The beneficial effects of the present invention are:

[0006] Since the counterweight plate assembly, the sand bucket assembly, the guide rod 30 and the sliding sleeve 50 are installed under the upper cover plate 10, the sand bucket changing mechanism provided by the present invention can realize fast and automatic sand changing, thereby improving the polishing efficiency of the target object. In the process of polishing the target object, a sand bucket changing mechanism can meet the needs of polishing consumables of various meshes, without having to replace different types of polishing mechanisms in the middle, thereby improving the polishing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0008] Figure 1 is a schematic diagram of the overall structure of a sand changing bucket provided in some embodiments of the present invention, wherein the sandpaper is not shown;

[0009] Figure 2 is a schematic diagram of the overall structure of a sand changing bucket provided in some embodiments of the present invention;

[0010] Figure 3 It is a schematic diagram of the installation structure of the sand changing barrel provided in some embodiments of the present invention;

[0011] Figure 4 is a schematic diagram of the overall structure of a sand changing bucket provided in some embodiments of the present invention;

[0012] Figure 5 is a schematic diagram of the AA structural cross-section of a sand changing barrel provided in some embodiments of the present invention;

[0013] Figure 6 It is a schematic diagram of a partial structure enlargement of a sand changing bucket provided in some embodiments of the present invention;

[0014] Figure 7 It is a schematic diagram of the explosion structure of the sand changing bucket provided in some embodiments of the present invention;

[0015] Figure 8 It is a schematic diagram of the structure of the top hook release state of the sand changing bucket provided by some embodiments of the present invention;

[0016] Fig. 9 It is a schematic structural diagram of the top hook recovery state of the sand changing bucket provided in some embodiments of the present invention.

[0017] Description of reference numerals:

[0018] 10. Upper cover plate; 20. Counterweight plate; 21. First sliding shaft; 22. First retaining spring; 30. Guide rod; 31. Quick-release chrome-plated rod; 40. Sand bucket; 41. Second sliding shaft; 42. Second retaining spring; 43. Second chrome-plated rod; 44. Top hook; 441. Outer wall of top hook; 45. Spring; 50. Sliding sleeve; 501. Inner wall of sliding sleeve; 60. Sandpaper; 70. Upper fixing plate; 71. Upper guide block; 72. Upper hook. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0023] Reference Figures 1 to 9 The sand changing bucket provided by the present invention includes an upper cover plate 10, a counterweight plate assembly, a guide rod 30, a sand bucket assembly and a sliding sleeve 50 arranged in sequence from top to bottom in the height direction. The sand bucket assembly includes a second sliding shaft 41, a second retaining spring 42, a second chrome-plated rod 43 and a top hook 44; the counterweight plate assembly includes a first sliding shaft 21, a first retaining spring 22 and a counterweight plate 20; an upper hanging buckle 72 is fixed at one end of the upper cover plate 10, and the upper hanging buckle 72 is hung on the upper guide block 71, and the upper guide block 71 is connected to the upper fixed plate 70 by bolts. The sand changing bucket of the present invention realizes the function of fast and automatic sand changing through innovative structural design, which significantly improves the efficiency of polishing operation.

[0024] The sand changing bucket of the present invention is equipped with a counterweight plate assembly, a sand bucket assembly, a guide rod 30 and a sliding sleeve 50 under the upper cover plate 10, so that the sand changing bucket mechanism provided by the present invention can realize fast and automatic sand changing, thereby improving the polishing efficiency of the target object. In the process of polishing the target object, a sand changing bucket mechanism can be used to meet the needs of polishing consumables of various meshes, without having to replace different types of polishing mechanisms in the middle, thereby improving the polishing efficiency.

[0025] In the sand changing bucket of the present invention, the counterweight plate assembly is configured between the upper cover plate 10 and the sand bucket assembly, and the counterweight plate assembly can move up and down between the guide rods 30 through the first sliding shaft 21. The counterweight plate assembly can exert pressure on the sandpaper consumable 60 in the direction of the sliding sleeve 50 by its own weight, thereby controlling the discharge of the sandpaper consumable 60. The counterweight plate assembly, the guide rod 30, the sand bucket assembly and the sliding sleeve 50 all work together to form a polishing structure for automatically replacing the sandpaper consumable 60, which can load sandpaper consumables of different meshes, automatically replace sandpaper, and improve the polishing efficiency of the target object.

[0026] The sand bucket of the present invention includes a second sliding shaft 41, a second retaining spring 42, a second chrome-plated rod 43, a sand bucket 40 and a top hook 44. The second sliding shaft 41 is fixed in a groove of the sand bucket 40, and the second retaining spring 42 is sleeved on the upper and lower ends of the second sliding shaft 41; the second sliding shaft 41 is hollow and is provided with a ball and sleeved on the second chrome-plated rod 43; the top hook 44 is installed in the groove below the sand bucket 40.

[0027] In the sand changing bucket of the present invention, the guide rods 30 are all arranged around, one end of the guide rods 30 is connected to the upper cover plate 10, and the other end is connected to the sand bucket 40; a movable counterweight plate assembly is arranged in the middle of the guide rods 30; and a quick-release chrome-plated rod 31 is arranged between the upper cover plate 10 and the sand bucket 40.

[0028] The sand changing barrel of the present invention, the counterweight plate assembly includes a first sliding shaft 21, a first retaining spring 22 and a counterweight plate 20; the first sliding shaft 21 is fixed in the groove of the counterweight plate 20, and the first retaining spring 22 is sleeved on the upper and lower ends of the first sliding shaft 21; the first sliding shaft 21 is hollow and is provided with a ball and sleeved on the guide rod 30.

[0029] In the sand changing bucket of the present invention, the other end of the second chrome-plated rod 43 is fixed on the sliding sleeve 50; the top hook 44 is also embedded in the sliding sleeve 50. With such a layout, when the sliding sleeve 50 is successfully aligned, the sandpaper consumables 60 installed between the sand changing buckets will be pressed downward by the counterweight plate assembly due to its own gravity, pushing the sandpaper 60 to move downward; during the sand changing process, the throwing disc moves to the lower side of the sand changing and aligns with the sliding sleeve 50. After the alignment is successful, the throwing disc will push the sand changing bucket upward. Since the components above the sliding sleeve 50 are connected to the upper fixed plate 71, the components above the sand bucket 40 are fixed, so the sliding sleeve 50 will be pushed upward. A spring 45 is provided between the sand bucket 40 and the sliding sleeve 50. When the sliding sleeve 50 moves upward, the spring 45 will be compressed, and the upper end of the outer wall 441 of the top hook will contact the upper end of the inner wall 501 of the sliding sleeve, causing the top hook to move outward, thereby causing the top hook installed on The tip of the top hook 44 in the sand bucket 40 moves outward, and the sandpaper 60 is pushed downward under the gravity of the counterweight plate 20, thereby completing the replacement of the sandpaper 60; after the sand bucket is replaced with the sandpaper 60, the throwing disc moves out from the bottom of the sand bucket, and the sliding sleeve 50 loses the upward thrust of the throwing disc. The spring 45 will be compressed and then released and extended because the sliding sleeve 50 loses the thrust of the throwing disc, causing the spring 45 to recover and push the sliding sleeve 50 back to the original position. When the sliding sleeve 50 moves downward, the upper end of the sliding sleeve inner wall 501 moves downward and contacts the lower end of the top hook outer wall 441, thereby causing the tip of the top hook 44 installed in the sand bucket 40 to move inward, and the top hook 44 hooks the sandpaper 60 from below to prevent the sandpaper 60 from being released too much. This solves the problem that in the process of polishing the target object, a sand bucket replacement mechanism can be used to meet the needs of polishing consumables of various meshes, without the need to replace different types of polishing mechanisms midway, thereby improving the polishing efficiency.

[0030] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand changing bucket, characterized in that: The invention comprises an upper cover plate (10), a counterweight plate assembly, a guide rod (30), a sand bucket assembly and a sliding sleeve (50); wherein the upper cover plate (10) is fixed on an external mechanism, one end of the guide rod (30) is connected to the upper cover plate (10), and the other end is connected to the sand bucket assembly, and a counterweight plate assembly is arranged in the middle of the guide rod (30); the sand bucket assembly comprises a sand bucket (40), a second sliding shaft (41), a second retaining spring (42), a second chrome-plated rod (43) and a top The second sliding shaft (41) is fixed in the groove of the sand bucket (40), the second sliding shaft (41) is sleeved with a second retaining ring (42) at both ends, the second sliding shaft (41) is hollow and provided with a ball and sleeved on the second chrome-plated rod (43), the top hook (44) is installed in the groove below the sand bucket (40); the sliding sleeve (50) is fixed at the other end of the second chrome-plated rod (43), and the top hook (44) is also embedded in the sliding sleeve (50). Through the innovative structural design, the function of rapid and automatic sand changing is realized, and the efficiency of the polishing operation is significantly improved.

2. The sand changing bucket according to claim 1, characterized in that: The counterweight plate assembly comprises a first sliding shaft (21), a first retaining spring (22) and a counterweight plate (20); the first sliding shaft (21) is fixed in a groove of the counterweight plate (20); the first retaining spring (22) is sleeved on the upper and lower ends of the first sliding shaft (21); the first sliding shaft (21) is hollow and provided with a ball bearing and sleeved on a guide rod (30).

3. The sand changing bucket according to claim 1, characterized in that: The guide rods (30) are all arranged in a surrounding manner, and a quick-release chrome-plated rod (31) is arranged between the upper cover plate (10) and the sand bucket (40); the surrounding arrangement and connection method of the guide rods (30) and the mobility of the counterweight plate assembly together constitute an innovative guiding and balancing system, which ensures the stability and accuracy of the sand bucket assembly during the polishing process.

4. The sand changing bucket according to claim 1, characterized in that: The sand bucket assembly further comprises a sand bucket (40), a second sliding shaft (41) fixed in a groove of the sand bucket (40), second retaining rings (42) sleeved on the upper and lower ends of the second sliding shaft (41), the second sliding shaft (41) being hollow and provided with a ball and sleeved on a second chrome-plated rod (43), and a top hook (44) installed in the groove below the sand bucket (40).

5. The sand changing bucket according to claim 1, characterized in that: The sliding sleeve (50) is fixed to the other end of the second chrome-plated rod (43), and the top hook (44) is also embedded in the sliding sleeve (50).

6. The sand changing bucket according to claim 1, characterized in that: The upper cover plate (10), the counterweight plate assembly, the guide rod (30), the sand bucket assembly and the sliding sleeve (50) are stacked in sequence from bottom to top in the height direction.

7. The sand changing bucket according to claim 1, characterized in that: The counterweight plate of the counterweight plate assembly is used to balance the weight of the sand bucket assembly to achieve stability and reliability of the sand bucket.

8. The sand changing bucket according to claim 1, characterized in that: The combined use of the second sliding shaft (41), the second retaining spring (42), the second chrome-plated rod (43) and the top hook (44) provides a simple way to quickly replace the sand bucket, while ensuring the stability and reliability of the sand bucket (40) during use, and provides a novel sandpaper fixing and releasing mechanism, which reduces sandpaper waste by accurately controlling the position and tension of the sandpaper, and improves the speed and accuracy of replacing the sandpaper.

9. The sand changing bucket according to claim 1, characterized in that: The inner hollow structure of the second sliding shaft (41) and the arrangement of the ball bearings enable the sand bucket assembly to move more smoothly on the second chrome-plated rod (43), thereby improving the efficiency of changing the sand bucket.

10. The sand changing bucket according to claim 1, characterized in that: The provision of the quick-detachable chrome-plated rod (31) enables quick and convenient operation when the sand bucket assembly needs to be replaced or maintained, thereby reducing downtime.

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