An adjustable angle craft polishing holder

Abstract

This utility model discloses an adjustable angle craft polishing fixture, including a base, a support frame fixedly connected to the top of the base, first fixed frames fixedly connected to both ends of the support frame, a first limiting frame rotatably connected between the first fixed frames, second fixed frames fixedly connected to both sides of the support frame, a second limiting frame rotatably connected between the second fixed frames, and a first sliding block fixedly connected to the top center of the support frame. A guide ball is contacted at the top of the first sliding block, and a second sliding block is contacted at the top of the guide ball. In this utility model, by cooperating with the angle adjustment component and the transmission component, rotating the first and second worm gears adjusts the angles of the two limiting frames respectively, allowing the connecting column to slide within the limiting frames and change the angle of the clamping component, thus achieving multi-dimensional posture adjustment required for craft polishing.

Description

Technical Field

[0001] This utility model relates to the technical field of craft processing equipment, and in particular to an adjustable angle craft polishing fixing frame. Background Technology

[0002] An adjustable angle polishing fixture for handicrafts is a mechanical auxiliary tool designed specifically for the fine processing of handicrafts. Its core function is to fix handicrafts of various materials and shapes through a clamping structure, and with the help of an angle adjustment and locking mechanism, the workpiece can be stably maintained at any preset angle, providing operators with precise and convenient polishing conditions.

[0003] Currently, the polishing and fixing frames for handicrafts on the market are mainly based on traditional pure mechanical structures. Their technical solutions are mostly centered around the "basic fixing" function: structurally, they usually consist of a weighted base, a single-type clamping jaw, a single-axis rotating bracket, and a bolt locking mechanism. They rely on the weight of the base to achieve stability, adjust the clamping jaw spacing through threaded transmission to clamp the workpiece, and achieve angle fixing through single-axis rotation and bolt tightening.

[0004] Existing traditional craft polishing fixtures suffer from significant design flaws: most fixtures only support limited angle adjustments along a single axis (such as vertical tilting or horizontal rotation only), lacking a coordinated adjustment mechanism and thus failing to achieve the multi-dimensional posture adjustments required for polishing complex curved surfaces and compound angles; to prevent tipping, existing fixtures generally employ a heavy-duty, enlarged integrated base design, with fixed base dimensions that cannot be flexibly adjusted according to the processing scenario, resulting in poor adaptability; furthermore, the clamping components are mostly fixedly connected to the bracket, lacking quick disassembly or modular replacement structures, making the process cumbersome and time-consuming when different clamping components need to be replaced. Therefore, it is necessary to develop an adjustable-angle craft polishing fixture to address the pain points of existing technologies. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an adjustable angle polishing fixture for handicrafts.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an adjustable angle craft polishing fixing frame, including a base, a support frame fixedly connected to the top of the base, first fixing frames fixedly connected to both ends of the support frame, a first limiting frame rotatably connected between the first fixing frames, second fixing frames fixedly connected to both sides of the support frame, a second limiting frame rotatably connected between the second fixing frames, a first sliding block fixedly connected to the top center of the support frame, a guide ball contacting the top of the first sliding block, a second sliding block contacting the top of the guide ball, a connecting column fixedly connected to the top of the second sliding block, a support platform fixedly connected to the top of the connecting column, a first worm gear rotatably connected to one end of the first limiting frame, a first worm rotatably connected to the top of the first fixing frame at the front end, the first worm gear and the first worm meshing, a transmission component provided at one end of the second limiting frame, and an anti-tilting component provided in the middle of the bottom wall of the base.

[0007] As a further description of the above technical solution: The transmission assembly includes a second worm gear, one end of which is connected to and fixedly connected to the second limiting frame. A second worm is connected to and rotatably connected to the top of the second fixed frame on the left side. The second worm gear and the second worm are meshed together.

[0008] As a further description of the above technical solution: The anti-tilt assembly includes a first bevel gear, the bottom of which is rotatably connected to the base. A servo motor is fixedly connected to the top wall of the base, and the output end of the servo motor is fixedly connected to the first bevel gear. Second bevel gears are rotatably connected to all four sides of the inner wall of the base, and the first bevel gear and the second bevel gear are meshed together.

[0009] As a further description of the above technical solution: Each of the second bevel gears has a lead screw fixedly connected to one end, and the base has sliding grooves at each of its four corners.

[0010] As a further description of the above technical solution: Each of the sliding grooves is slidably connected with a nut pair. One end of the lead screw is threaded through and connected to the nut pair. One end of the nut pair is fixedly connected with an anti-tilting foot.

[0011] As a further description of the above technical solution: The support platform has positioning grooves at both ends of its top sides, and limit blocks are slidably connected inside the positioning grooves.

[0012] As a further description of the above technical solution: Both ends of the support platform are connected to limit posts that pass through and slide. The limit posts and the support platform are connected to each other through and slide. A spring is fixedly connected between the limit posts at the same end.

[0013] As a further description of the above technical solution: Each of the limiting blocks has a clamping component fixedly connected to its top.

[0014] This utility model has the following beneficial effects: 1. The present invention provides an adjustable angle craft polishing fixture. Firstly, through the cooperation of the first fixed frame, the second fixed frame, the first limiting frame, the second limiting frame, the first sliding block, the guide ball, the second sliding block, the connecting column, the first worm gear, the first worm, the second worm gear, and the second worm, the first and second worms can be rotated to adjust the angle of the two limiting frames respectively, so that the connecting column slides in the limiting frame to change the angle of the clamping components, thereby realizing the multi-dimensional posture adjustment required for craft polishing.

[0015] 2. The present invention provides an adjustable angle craft polishing fixture. Through the cooperation of sliding groove, first bevel gear, second bevel gear, servo motor, lead screw, nut pair, anti-tilt foot, support platform, positioning groove, limit block, limit post and spring, the servo motor is started, and its output end drives the anti-tilt foot to unfold or retract. It can be flexibly adjusted according to the processing scene, and different clamping components can be quickly disassembled and replaced to adapt to different shapes and types of crafts. Attached Figure Description

[0016] Figure 1 A perspective view of an adjustable angle craft polishing fixture proposed in this utility model; Figure 2 Exploded view of an angle adjustment component for an adjustable angle craft polishing fixture proposed in this utility model; Figure 3 Exploded view of an anti-tilting component for an adjustable angle craft polishing fixing frame proposed in this utility model; Figure 4 An exploded view of a quick-release assembly for an adjustable angle craft polishing fixture proposed in this utility model.

[0017] Legend: 1. Base; 2. Support frame; 3. First fixed frame; 4. Second fixed frame; 5. First limiting frame; 6. Second limiting frame; 7. First sliding block; 8. Guide ball; 9. Second sliding block; 10. Connecting column; 11. First worm gear; 12. First worm; 13. Second worm gear; 14. Second worm; 15. Sliding groove; 16. First bevel gear; 17. Second bevel gear; 18. Servo motor; 19. Lead screw; 20. Nut pair; 21. Anti-tilting foot; 22. Support platform; 23. Positioning groove; 24. Limiting block; 25. Limiting column; 26. Spring; 27. Clamping assembly. Detailed Implementation

[0018] 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.

[0019] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. 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 an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] Reference Figure 1-4This utility model provides an embodiment of an adjustable angle craft polishing fixture, comprising a base 1, a support frame 2 fixedly connected to the top of the base 1, first fixing frames 3 fixedly connected to both ends of the support frame 2, a first limiting frame 5 passing through and rotatably connected between the first fixing frames 3, second fixing frames 4 fixedly connected to both sides of the support frame 2, a second limiting frame 6 passing through and rotatably connected between the second fixing frames 4, a first sliding block 7 fixedly connected to the top center of the support frame 2, a guide ball 8 contacting the top of the first sliding block 7, a cross guide groove on the outer ring of the guide ball 8 for constraining the sliding direction of the first sliding block 7 and the second sliding block 9, and the second sliding block 9 contacting the top of the guide ball 8, the first sliding block 7 sliding laterally along the cross guide groove on the outer ring of the guide ball 8. The second sliding block 9 slides longitudinally along the cross guide groove on the outer ring of the guide ball 8. Limiting protrusions are provided at the four corners of the first sliding block 7 and the second sliding block 9 to prevent the sliding blocks from detaching from the guide ball. A connecting column 10 is fixedly connected to the top of the second sliding block 9. The connecting column 10 can slide along the inner wall of the limiting frame. A support platform 22 is fixedly connected to the top of the connecting column 10. A first worm gear 11 is passed through and fixedly connected to one end of the first limiting frame 5. A first worm 12 is passed through and rotatably connected to the top of the first fixed frame 3 at the front end. The first worm gear 11 and the first worm 12 are meshed. A knob is fixedly connected to the top of the first worm 12 for easy rotation by the operator. The rotation of the first worm 12 drives the first limiting frame 5 to rotate. A transmission component is provided at one end of the second limiting frame 6. An anti-tilting component is provided in the middle of the bottom wall of the base 1.

[0021] The transmission assembly includes a second worm gear 13, one end of which is connected to and fixedly connected to the second limiting frame 6. A second worm 14 is connected to and rotatably connected to the top of the second fixed frame 4 on the left side. A knob is fixedly connected to the top of the second worm 14 for easy rotation by the operator. The second worm gear 13 and the second worm 14 are meshed together. The rotation of the second worm 14 drives the second limiting frame 6 to rotate. The anti-tilt assembly includes a first bevel gear 16, the bottom of which is connected to and rotatably connected to the base 1. A servo motor 18 is fixedly connected to the top wall of the base 1. The output end of the servo motor 18 is fixedly connected to the first bevel gear 16. When the servo motor 18 is started, its output end drives the first bevel gear 16 to rotate. Two second bevel gears 17 are connected to and rotatably connected to the four sides of the inner wall of the base 1. The first bevel gear 16 and the second bevel gear 17 are all meshed together. The rotation of the first bevel gear 16 drives the four second bevel gears 17 to rotate synchronously, and the opposite second bevel gears 17 rotate in opposite directions. One end of the second bevel gear 17 is connected to the base 1 to the base 1 to rotate. Each component is fixedly connected with a lead screw 19. Sliding grooves 15 are provided at each of the four corners of the base 1. Nut pairs 20 are slidably connected inside each sliding groove 15, preventing them from sliding out of the groove. One end of each lead screw 19 passes through and is threadedly connected to a nut pair 20. An anti-tilting foot 21 is fixedly connected to one end of each nut pair 20. The rotation of the second bevel gear 17 drives the lead screw 19 to rotate, with opposite lead screws 19 rotating in opposite directions. The nut pairs 20 drive the opposite anti-tilting feet 21 to expand and contract synchronously. The support platform 22... Positioning grooves 23 are provided at both ends of the top. Limiting blocks 24 are slidably connected inside the positioning grooves 23. Limiting posts 25 are slidably connected through both ends of the support platform 22. Limiting posts 25 and support platform 22 are slidably connected through each other. Springs 26 are fixedly connected between the limiting posts 25 at the same end. Pressing the limiting posts 25 inward causes the limiting posts 25 to slide completely out of the limiting blocks 24, releasing the limitation on the limiting blocks 24 and the clamping components 27, and allowing for quick replacement of the clamping components 27 to adapt to different handicrafts.

[0022] Working principle: Rotating the knob at the top of the first worm 12 causes the first limiting frame 5 to rotate around its own axis through the meshing transmission between the first worm 12 and the first worm wheel 11. Since the connecting column 10 passes through the inner walls of both the first limiting frame 5 and the second limiting frame 6, forming a bidirectional nested constraint, the rotation of the first limiting frame 5 drives the connecting column 10 to rotate laterally along the inner wall of the second limiting frame 6. This ultimately achieves the lateral angle deflection of the support platform 22. Rotating the knob at the top of the second worm 14 causes the second limiting frame 6 to rotate around its own axis through the meshing transmission between the second worm 14 and the second worm wheel 13. Similarly, the connecting column 10 rotates longitudinally along the inner wall of the first limiting frame 5, ultimately achieving the longitudinal angle deflection of the support platform 22. When the support area needs to be expanded, the servo motor 18 is started, and its output end drives the first bevel gear 16 to rotate. Since the first bevel gear 16 meshes with the four second bevel gears 17 and the relative second bevel gears 17 rotate in opposite directions, they will synchronously drive the four sets of lead screws 19 to rotate. The lead screws 19 are threadedly engaged with the nut pair 20, which drives the anti-tilt foot 21 to expand outward along the sliding groove 15, expand the support range of the base 1, and press the limit posts 25 on both sides inward. The compression spring 26 makes the limit posts 25 completely disengage from the slot of the limit block 24, release the constraint on the limit block 24, and the clamping component 27 can be directly pulled out from the positioning groove 23 to replace the special clamping component 27 adapted to different materials and shapes of handicrafts.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An adjustable angle craft polishing holder, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support frame (2) at its top. Both ends of the support frame (2) are fixedly connected to first fixed frames (3). A first limiting frame (5) is rotatably connected between the first fixed frames (3). Both sides of the support frame (2) are fixedly connected to second fixed frames (4). A second limiting frame (6) is rotatably connected between the second fixed frames (4). A first sliding block (7) is fixedly connected to the middle of the top of the support frame (2). A guide ball (8) is contacted at the top of the first sliding block (7). A second sliding block (9) is connected to the top of the second sliding block (9), and a connecting column (10) is fixedly connected to the top of the second sliding block (9). A support platform (22) is fixedly connected to the top of the connecting column (10). A first worm gear (11) is fixedly connected to one end of the first limiting frame (5). A first worm (12) is rotatably connected to the top of the first fixing frame (3) at the front end. The first worm gear (11) and the first worm (12) are meshed together. A transmission component is provided at one end of the second limiting frame (6). An anti-tilting component is provided in the middle of the bottom wall of the base (1).

2. The adjustable angle craft polishing holder according to claim 1, characterized in that: The transmission assembly includes a second worm gear (13), one end of which is connected to and fixedly connected to the second limiting frame (6), and a second worm (14) is connected to and rotatably connected to the top of the second fixed frame (4) on the left side, and the second worm gear (13) and the second worm (14) are meshed together.

3. The adjustable angle craft polishing holder according to claim 1, characterized in that: The anti-tilt assembly includes a first bevel gear (16), the bottom of which is connected to the base (1) through and rotatably. A servo motor (18) is fixedly connected to the top wall of the base (1), and the output end of the servo motor (18) is fixedly connected to the first bevel gear (16). A second bevel gear (17) is connected to all four sides of the inner wall of the base (1) through and rotatably. The first bevel gear (16) and the second bevel gear (17) are meshed together.

4. The adjustable angle craft polishing holder according to claim 3, characterized in that: The second bevel gear (17) is fixedly connected to a lead screw (19) at one end, and the base (1) has sliding grooves (15) at each of its four corners.

5. The adjustable angle craft polishing holder according to claim 4, characterized in that: The sliding groove (15) is slidably connected with a nut pair (20). One end of the screw (19) and the nut pair (20) are both threaded through and connected. One end of the nut pair (20) is fixedly connected with an anti-tilting foot (21).

6. The adjustable angle craft polishing holder according to claim 1, characterized in that: The support platform (22) has positioning grooves (23) at both ends of its top sides, and a limit block (24) is slidably connected inside the positioning groove (23).

7. The adjustable angle craft polishing holder according to claim 1, characterized in that: Both ends of the support platform (22) are connected to limit posts (25) through and slidingly. The limit posts (25) and the support platform (22) are connected through and slidingly. A spring (26) is fixedly connected between the limit posts (25) at the same end.

8. The adjustable angle craft polishing holder according to claim 6, characterized in that: Each of the limiting blocks (24) has a clamping component (27) fixedly connected to its top.

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