Sanding machining device for outer shuttle hole site of rotating shuttle

Abstract

The utility model discloses an outer shuttle hole site sanding processing device of a rotating shuttle, which comprises a belt sander used for accurate sanding processing and a rotating shuttle fixing device, the rotating shuttle fixing device comprises a mounting seat, the front end of the mounting seat is fixedly provided with a pair of slide bars through two groups of slide bar seats, the pair of slide bars is longitudinally and slidably provided with a limit base, and the limit base is provided with a plurality of limit holes. The lower ends of the pair of sliding rods are respectively sleeved with a spring sleeve A. A fixing bottom plate is fixedly arranged at the front end of the limiting base, and a fixing base is arranged at the front end of the fixing bottom plate. The rotating shuttle hole site sanding machining device has the advantages of being easy and convenient to operate, high in precision, high in efficiency and the like. The height position of the fixing device can be accurately controlled through the handle and the adjusting dial, the distance between the fixing device and the abrasive belt is adjusted, the sanding force is ensured, and therefore accurate sanding machining of the rotating shuttle hole position is achieved. And meanwhile, the stability and synchronism of the rotating shuttle in the sanding process can be ensured through the design of the clamp and the positioning pin, and safety accidents caused by flying out of the rotating shuttle are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of sand grinding processing of shuttle holes, and in particular relates to a sand grinding processing device for the outer shuttle hole of a rotary shuttle. Background Art

[0002] With the continuous development of sewing machines and related machinery manufacturing industries, the requirements for the processing accuracy and surface quality of key components such as rotary hooks are increasing. The traditional rotary hook hole sanding method has problems such as low precision, low efficiency, and complex operation, which is difficult to meet the needs of modern manufacturing. Therefore, this technology proposes a new type of rotary hook hole sanding processing device to improve the sanding processing accuracy and efficiency of the rotary hook hole. Utility Model Content

[0003] The utility model aims to provide a device for sanding the outer hook hole of a rotary hook to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for sanding the outer shuttle hole of a rotary shuttle, comprising a belt sander and a rotary shuttle fixing device for precise sanding, the rotary shuttle fixing device comprising a mounting seat, a pair of sliding rods are fixedly installed on the front end of the mounting seat through two groups of sliding rod seats, a limited base is longitudinally slidably arranged on the pair of sliding rods, a spring sleeve A is respectively sleeved on the lower end of the pair of sliding rods, the top of the spring sleeve A is abutted against the limited base, a fixed base is fixedly arranged at the front end of the limited base, a fixed base is arranged at the front end of the fixed base, an outer shuttle is installed on the fixed base, and the outer shuttle is located above the belt sander, a positioning pin for positioning the outer shuttle, and a clamp for clamping the outer shuttle are also arranged on the fixed base, a connecting rod is fixedly arranged on the inner side of the fixed base, one end of the connecting rod passes through the fixed base, and the connecting rod and the fixed base are rotatably connected through a double bearing seat, a cam is fixedly connected to the other end of the connecting rod, and an adjusting component for adjusting the distance between the fixed base and the belt sander is arranged on the mounting seat.

[0005] Preferably, the adjustment assembly includes a slider longitudinally slidably mounted on the mounting seat, a top plate fixedly mounted on the top of the mounting seat, an adjustment dial rotatably mounted on the top plate, and an adjustment screw rotatably mounted between the top plate and the slider, the top end of the adjustment screw is synchronously rotatably connected to the adjustment dial, the bottom end of the adjustment screw is connected to the slider via a thread, a spring sleeve B is also sleeved on the adjustment screw, a limiting shaft rod is provided at the front end of the slider, and the limiting shaft rod is in contact with the cam, and a handle for adjusting the limiting shaft rod is provided on the back of the slider.

[0006] Preferably, the clamp consists of a spring and a middle hollow component.

[0007] Preferably, a linear sliding bearing is provided at the connection between the limiting base and the sliding rod.

[0008] Preferably, a fixed extension edge is provided at the bottom of the mounting seat, and a pair of fixing holes for fixed installation are provided on the fixed extension edge.

[0009] Compared with the prior art, the utility model has the following beneficial effects: the rotary shuttle hole sanding processing device designed by the utility model has the advantages of simple operation, high precision, high efficiency, etc. The height of the fixing device can be accurately controlled by the handle and the adjustment dial, and the distance from the sanding belt can be adjusted to ensure the sanding force, thereby realizing the precise sanding processing of the rotary shuttle hole. At the same time, the design of the clamp and the positioning pin can ensure the stability and synchronization of the rotary shuttle during the sanding process, and avoid its flying out and causing safety accidents. In addition, the adjustability of the sanding device also enables it to adapt to the sanding requirements of different rotary shuttles. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0011] Figure 2 It is a three-dimensional structural schematic diagram of the outer shuttle fixing device of the utility model;

[0012] Figure 3 It is a schematic diagram of the three-dimensional structure of the other side of the outer shuttle fixing device of the utility model;

[0013] Figure 4 It is a schematic diagram of the back structure of the outer shuttle fixing device of the utility model;

[0014] Figure 5 It is a structural schematic diagram of the fixed base connection state of the utility model;

[0015] Figure 6 This is a schematic diagram of the cam structure of the utility model;

[0016] In the figure: 1. Mounting seat; 2. Fixed base plate; 3. Sliding rod seat; 4. Sliding rod; 5. Spring sleeve A; 6. Outer shuttle; 7. Belt sander; 8. Adjustment dial; 9. Spring sleeve B; 10. Top plate; 11. Fixed base; 12. Locating pin; 13. Handle; 14. Clamp; 15. Cam; 16. Sliding block; 17. Limiting shaft; 18. Adjusting screw; 19. Double bearing seat; 20. Connecting rod; 21. Limiting base. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 6 , provides a technical solution: a device for sanding the outer shuttle hole of a rotary shuttle, comprising a belt sander 7 for precise sanding and a rotary shuttle fixing device, the belt sander 7 can adjust the tightness and rotation speed of the sanding belt as needed to meet the grinding requirements of different rotary shuttles; the rotary shuttle fixing device comprises a mounting seat 1, a pair of slide bars 4 are fixedly mounted on the front end of the mounting seat 1 through two sets of slide bar seats 3, a limited position base 21 is longitudinally slidably arranged on the pair of slide bars 4, a spring sleeve A5 is respectively sleeved on the lower end of the pair of slide bars 4, the top end of the spring sleeve A5 is against the limited position base 21, a fixed bottom plate 2 is fixedly arranged on the front end of the fixed bottom plate 2, a fixed base 11 is arranged on the front end of the fixed base 11, an outer shuttle 6 is installed on the fixed base 11; and the outer shuttle 6 is located above the belt sander 7, and the fixed base 11 is also installed There is a positioning pin 12 for positioning the outer shuttle 6, which is used to locate the position of the outer shuttle 6 and ensure the consistency of the concentricity of the outer shuttle 6 during the sanding process; and a clamp 14 for clamping the outer shuttle 6, so that the outer shuttle 6 is not easy to fly off; a connecting rod 20 is fixedly arranged on the inner side of the fixed base 11, one end of the connecting rod 20 passes through the fixed base plate 2, and the connecting rod 20 is rotatably connected to the fixed base plate 2 through a double bearing seat 19, and the other end of the connecting rod 20 is fixedly connected to a cam 15. By rotating the cam 15, the height position of the rotary shuttle fixing device can be adjusted to determine the precise position of the three holes, and the places outside the holes will not be ground; that is, it means being close to or away from the sanding belt to ensure the synchronization of sanding the rotary shuttle boss hole and avoiding the outer cylindrical surface of the boss; an adjustment component for adjusting the distance between the fixed base and the sanding machine 7 is arranged on the mounting seat 1.

[0019] In this embodiment, preferably, the adjustment assembly includes a slider 16 mounted on the mounting seat 1 for longitudinal sliding, a top plate 10 fixedly mounted on the top of the mounting seat 1, an adjustment dial 8 rotatably mounted on the top plate 10, and an adjustment screw 18 rotatably mounted between the top plate 10 and the slider 16, the top end of the adjustment screw 18 is synchronously rotatably connected with the adjustment dial 8, the bottom end of the adjustment screw 18 is connected with the slider 16 through a thread, and a spring sleeve B9 is also sleeved on the adjustment screw 18, a limiting shaft 17 is provided at the front end of the slider 16, and the limiting shaft 17 is fitted with the cam 15, and a handle 13 for adjusting the limiting shaft 17 is provided on the back of the slider 16; the distance between the rotary hook fixing device and the sanding belt of the sanding machine can be conveniently adjusted by rotating the handle 13. The adjustment dial 8 can be used to accurately control the height of the rotary hook fixing device through the spring sleeve B9. In this embodiment, preferably, the clamp 14 is composed of a spring and a middle hollow component, in order to facilitate the stable clamping of the outer shuttle 6. In this embodiment, preferably, a linear sliding bearing is provided at the connection between the limiting base 21 and the slide bar 4 to ensure smooth longitudinal sliding along the slide bar 4. In this embodiment, preferably, a fixed extension edge is provided at the bottom of the mounting seat 1, and a pair of fixing holes for fixed installation are provided on the fixed extension edge to facilitate fixed installation.

[0020] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for sanding the outer shuttle hole of a rotary hook, comprising a belt sander (7) for precise sanding and a rotary hook fixing device, characterized in that: The rotary hook fixing device comprises a mounting seat (1), a pair of slide bars (4) are fixedly mounted on the front end of the mounting seat (1) through two sets of slide bar seats (3), a limit base (21) is longitudinally slidably arranged on the pair of slide bars (4), a spring sleeve A (5) is respectively sleeved on the lower end of the pair of slide bars (4), the top end of the spring sleeve A (5) is against the limit base (21), a fixed base plate (2) is fixedly arranged on the front end of the limit base (21), a fixed base (11) is arranged on the front end of the fixed base plate (2), an outer shuttle (6) is mounted on the fixed base (11), and the outer shuttle (6) is 6) is located above the sanding machine (7), and a positioning pin (12) for positioning the outer shuttle (6) and a clamp (14) for clamping the outer shuttle (6) are also installed on the fixed base (11). A connecting rod (20) is fixedly arranged on the inner side of the fixed base (11), one end of the connecting rod (20) passes through the fixed base plate (2), and the connecting rod (20) and the fixed base plate (2) are rotatably connected through a double bearing seat (19), and the other end of the connecting rod (20) is fixedly connected to a cam (15), and an adjustment component for adjusting the distance between the fixed base and the sanding machine (7) is arranged on the mounting seat (1).

2. The device for sanding the outer hook hole of a rotary hook according to claim 1, characterized in that: The adjustment assembly comprises a slider (16) longitudinally slidably mounted on the mounting seat (1), a top plate (10) fixedly mounted on the top of the mounting seat (1), an adjustment dial (8) rotatably mounted on the top plate (10), and an adjustment screw (18) rotatably mounted between the top plate (10) and the slider (16), the top end of the adjustment screw (18) being synchronously rotatably connected with the adjustment dial (8), the bottom end of the adjustment screw (18) being connected with the slider (16) via a thread, a spring sleeve B (9) being sleeved on the adjustment screw (18), a limiting shaft (17) being arranged at the front end of the slider (16), and the limiting shaft (17) being in contact with the cam (15), and a handle (13) for adjusting the limiting shaft (17) being arranged on the back of the slider (16).

3. The device for sanding the outer hook hole of a rotary hook according to claim 1, characterized in that: The clamp (14) consists of a spring and a middle hollow component.

4. The device for sanding the outer hook hole of a rotary hook according to claim 1, characterized in that: A linear sliding bearing is provided at the connection between the limiting base (21) and the sliding rod (4).

5. The device for sanding the outer hole of a rotary hook according to claim 1, characterized in that: The bottom of the mounting seat (1) is provided with a fixed extension edge, and the fixed extension edge is provided with a pair of fixing holes for fixed installation.

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