A quick positioning protractor

Abstract

The utility model discloses a fast positioning's index plate belongs to index plate technical field, including work board, the upper end center position of work board is provided with index plate main part, and the inside center position of work board is provided with the protective cover switch mechanism, the utility model discloses a protective cover switch mechanism has been set up, can effectively protect index plate main part from the pollution of dust, sundries etc, when not using, and the protective cover main part is lifted through the protective cover switch mechanism, and index plate main part is completely covered and sealed, and the sealing washer further enhances the protection effect, avoids the problem that the index plate precision is reduced and the service life is shortened because of external factors, simultaneously, and the protective cover switch mechanism adopts the design of bidirectional screw rod and adjusting assembly, makes the lifting operation of protective cover main part simple, stable and accurate, and the user is convenient to the protection or use of index plate main part quickly, and the maintenance convenience and service life of index plate have been improved greatly.

Description

Technical Field

[0001] This utility model belongs to the field of indexing plate technology, specifically relating to an indexing plate for rapid positioning. Background Technology

[0002] Indexing plates are widely used devices in machining, measurement, and other fields. They are primarily used to quickly position workpieces or tools at specific angles to achieve high-precision machining or measurement operations. They typically consist of a rotatable disc and multiple fixed-angle positioning slots. The disc is rotated to the desired position manually or automatically, allowing the workpiece or tool to be positioned quickly and accurately. However, existing indexing plates still have some problems in practical use.

[0003] When not in use, the surface of existing indexing plates is easily contaminated by dust and debris, which not only affects the accuracy and service life of the indexing plate, but may also lead to inaccurate positioning. In addition, when performing rapid positioning, the positioning accuracy of traditional indexing plates is easily affected by external interference due to the lack of an effective protective structure. At the same time, the protective devices of existing indexing plates are often bulky during use and cannot be folded after being opened, which makes the positioning operation of the indexing plate inconvenient and affects work efficiency. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a quick-positioning indexing plate, which features convenient protection of the indexing plate and a foldable protective cover.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a quick-positioning indexing plate, comprising a working plate, an indexing plate body being disposed at the upper center of the working plate, a protective cover switching mechanism being disposed at the inner center of the working plate, a protective cover body being disposed at the upper end of the protective cover switching mechanism, a sealing gasket being disposed on the side of the protective cover body, and the protective cover switching mechanism and the protective cover body being connected by a protective cover folding mechanism.

[0006] The protective cover switching mechanism includes a bidirectional lead screw, which is rotatably connected inside the working plate. Two sets of nut blocks are symmetrically arranged on the two ends of the bidirectional lead screw, and an adjustment component is provided at the other end of the bidirectional lead screw.

[0007] Preferably, the protective cover switching mechanism further includes strip plates, with strip plates provided on both sides of the nut block, and the working plate having strip grooves corresponding to the strip plates inside.

[0008] Preferably, the adjustment assembly includes a fixed plate, a fixed plate is provided on the side of the working plate, the fixed plate and the working plate are fixedly connected by bolts, a mounting box is provided on the side of the fixed plate, a large gear is provided on the other end surface of the bidirectional lead screw inside the mounting box, a small gear is meshed on the side of the large gear, a rotating shaft is provided inside the small gear, and a handle is provided on the other end of the rotating shaft.

[0009] Preferably, the other end of the rotating shaft is rotatably connected to the mounting box via a bearing, and the pinion is fixed to the surface of the rotating shaft by screws.

[0010] Preferably, the protective cover folding mechanism includes a rotating block, a rotating block is provided on the side of the protective cover body, a mounting frame is provided at the other end of the strip plate, the rotating block and the mounting frame are rotatably connected by a rotating shaft, a rotating block is provided at the other end of the rotating shaft, and a fixing component is provided inside the side of the rotating block.

[0011] Preferably, the fixing component includes a circular groove, the rotating block has a circular groove inside its side, a circular plate is slidably connected inside the circular groove, a fixing rod is provided on one side of the circular plate, a pull rod is provided on the other side of the circular plate, a pull handle is provided at the other end of the pull rod, and a spring is sleeved on the surface of the pull rod inside the circular groove.

[0012] Preferably, the fixing component further includes fixing hole two and fixing hole one. Fixing hole two is provided on the side of the mounting bracket corresponding to the position of the fixing rod, and fixing hole one is provided on the side of the mounting bracket at a position 90 degrees rotated around the pivot.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, by setting up a protective cover switching mechanism, can effectively protect the indexing plate body from contamination by dust, debris, etc. When not in use, the protective cover body is raised through the protective cover switching mechanism to completely cover and seal the indexing plate body. The sealing gasket further enhances the protective effect, avoiding the problems of decreased indexing plate accuracy and shortened service life caused by external factors. At the same time, the protective cover switching mechanism adopts a design of bidirectional lead screw and adjustment components, making the lifting and lowering operation of the protective cover body simple, stable and precise, which makes it easy for users to quickly protect or use the indexing plate body, greatly improving the convenience of indexing plate maintenance and service life.

[0015] 2. This utility model incorporates a protective cover folding mechanism, allowing the main body of the protective cover to be folded as needed after it is raised. When the main body of the protective cover is folded, the space occupied is significantly reduced, facilitating the overall storage and handling of the equipment. This is especially suitable for use in situations with limited space. Furthermore, the fixing components in the protective cover folding mechanism ensure the stability of the main body of the protective cover in the folded state, preventing it from becoming loose or accidentally unfolding after folding. This ensures the safety and reliability of the equipment in the folded state. This folding function not only improves the flexibility and practicality of the equipment but also further enhances the convenience and work efficiency of the user during use. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a perspective view of the protective cover switch mechanism of this utility model;

[0018] Figure 3 This is an enlarged view of the adjustment component of this utility model;

[0019] Figure 4 This is a perspective view of the protective cover folding mechanism of this utility model;

[0020] Figure 5 This is an enlarged view of the protective cover folding mechanism of this utility model;

[0021] Figure 6 This is a perspective view of the fixing component of this utility model;

[0022] Figure 7 This utility model Figure 2 Enlarged view of point A in the middle;

[0023] In the diagram: 1. Working plate; 2. Protective cover folding mechanism; 21. Rotating shaft; 22. Rotating block; 23. Fixing component; 231. Fixing rod; 232. Fixing hole two; 233. Circular groove; 234. Circular plate; 235. Spring; 236. Pull rod; 237. Pull handle; 238. Fixing hole one; 24. Mounting bracket; 3. Protective cover body; 4. Protective cover switching mechanism; 41. Adjusting component; 411. Small gear; 412. Rotating shaft; 413. Turn handle; 414. Large gear; 415. Mounting box; 416. Bolt; 417. Fixing plate; 42. Two-way lead screw; 43. Strip groove; 44. Nut block; 45. Strip plate; 5. Sealing gasket; 6. Indexing plate body. Detailed Implementation

[0024] 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.

[0025] Example 1

[0026] Please see Figure 1-7 The present invention provides the following technical solution: a quick-positioning indexing plate, including a working plate 1, an indexing plate body 6 is provided at the upper center of the working plate 1, a protective cover switch mechanism 4 is provided at the inner center of the working plate 1, a protective cover body 3 is provided at the upper end of the protective cover switch mechanism 4, a sealing gasket 5 is provided on the side of the protective cover body 3, and the protective cover switch mechanism 4 and the protective cover body 3 are connected by a protective cover folding mechanism 2.

[0027] The protective cover switching mechanism 4 includes a bidirectional lead screw 42. The bidirectional lead screw 42 is rotatably connected inside the working plate 1. Two sets of nut blocks 44 are symmetrically arranged on the two ends of the bidirectional lead screw 42. An adjustment component 41 is provided at the other end of the bidirectional lead screw 42.

[0028] Specifically, the protective cover switching mechanism 4 also includes a strip plate 45, and strip plates 45 are provided on both sides of the nut block 44. The working plate 1 has a strip groove 43 corresponding to the strip plate 45 inside.

[0029] By adopting the above technical solution, the nut block 44 can move smoothly along the strip groove 43 when the bidirectional screw 42 rotates, thereby realizing the lifting action of the protective cover body 3, effectively avoiding the shaking or deviation of the protective cover body 3 during the lifting process, and ensuring the lifting accuracy and stability of the protective cover body 3.

[0030] Specifically, the adjusting assembly 41 includes a fixing plate 417. The fixing plate 417 is located on the side of the working plate 1, and the fixing plate 417 is fixedly connected to the working plate 1 by bolts 416. A mounting box 415 is located on the side of the fixing plate 417. A large gear 414 is located inside the mounting box 415 on the other end surface of the bidirectional lead screw 42. A small gear 411 is meshed with the side of the large gear 414. A rotating shaft 412 is located inside the small gear 411, and a handle 413 is located at the other end of the rotating shaft 412.

[0031] By adopting the above technical solution, when the throttle 413 is turned, the small gear 411 can be driven to rotate. The small gear 411 then drives the large gear 414 to rotate through meshing transmission, thereby realizing the rotation of the bidirectional lead screw 42, and thus controlling the lifting and lowering of the protective cover body 3. The operation is simple and convenient, and it can achieve precise control of the lifting and lowering height of the protective cover body 3, meeting the protection needs under different usage scenarios.

[0032] Specifically, the other end of the rotating shaft 412 is rotatably connected to the mounting box 415 via a bearing, and the pinion 411 is fixed to the surface of the rotating shaft 412 by screws.

[0033] By adopting the above technical solution, it is ensured that the rotating shaft 412 can rotate smoothly and steadily during the rotation process. At the same time, the pinion 411 is fixed to the rotating shaft 412 with screws, which ensures the firmness of the connection between the pinion 411 and the rotating shaft 412, avoids loosening or slippage during the transmission process, and improves the reliability and stability of the entire transmission system.

[0034] In this embodiment, when it is necessary to protect the indexing plate body 6, the handle 413 is turned to drive the pinion 411 to rotate. The pinion 411 drives the large gear 414 to rotate through meshing transmission, which in turn causes the double-acting screw 42 to rotate. The rotation of the double-acting screw 42 causes the two sets of nut blocks 44 to move closer to each other along the strip groove 43, thereby pushing the protective cover body 3 to move upward until the protective cover body 3 completely covers and seals the indexing plate body 6. At this time, the sealing gasket 5 on the side of the protective cover body 3 is tightly attached to the upper end surface of the working plate 1, effectively preventing dust, debris and other objects from entering the interior of the indexing plate body 6, thus playing a good protective role. When it is necessary to use the indexing plate body 6, the handle 413 is turned in the opposite direction to make the double-acting screw 42 rotate in the opposite direction. The nut blocks 44 move away from each other along the strip groove 43, and the protective cover body 3 moves downward accordingly, thereby opening the protective cover body 3. The operation process is simple and quick, making it convenient for users to quickly protect or use the indexing plate body 6.

[0035] Example 2

[0036] The difference between this embodiment and Embodiment 1 is that: the protective cover folding mechanism 2 includes a rotating block 22, the rotating block 22 is provided on the side of the protective cover body 3, the other end of the strip plate 45 is provided with a mounting bracket 24, the rotating block 22 and the mounting bracket 24 are rotatably connected by a rotating shaft 21, the other end of the rotating shaft 21 is provided with a rotating block 22, and a fixing component 23 is provided inside the side of the rotating block 22.

[0037] By adopting the above technical solution, the protective cover body 3 can be folded after being raised. When the protective cover body 3 is raised and needs to be folded, the rotating block 22 is rotated to make it rotate around the rotating shaft 21, thereby realizing the folding action of the protective cover body 3. This allows the protective cover body 3 to occupy less space when not in use, making it easier to store and fold the equipment. At the same time, during the folding process, the fixing component 23 can fix the rotating block 22 to ensure the stability of the protective cover body 3 in the folded state and prevent it from becoming loose or accidentally unfolding after folding.

[0038] Specifically, the fixing component 23 includes a circular groove 233. The rotating block 22 has a circular groove 233 inside its side. A circular plate 234 is slidably connected inside the circular groove 233. A fixing rod 231 is provided on one side of the circular plate 234, and a pull rod 236 is provided on the other side of the circular plate 234. A handle 237 is provided at the other end of the pull rod 236. A spring 235 is sleeved on the surface of the pull rod 236 inside the circular groove 233.

[0039] By adopting the above technical solution, when it is necessary to fix the rotating block 22, pull the handle 237 to make the pull rod 236 drive the circular plate 234 to slide in the circular groove 233, and at the same time compress the spring 235. At this time, the fixing rod 231 is removed from the fixing hole on the mounting bracket 24. After rotating the rotating block 22 to the required position, release the handle 237. The spring 235 pushes the circular plate 234 to reset under the elastic action, so that the fixing rod 231 is reinserted into the fixing hole on the mounting bracket 24, thereby fixing the rotating block 22. The operation process is simple and convenient, and the fixing is firm and reliable, which can effectively ensure the stability of the protective cover body 3 in the folded state.

[0040] Specifically, the fixing component 23 also includes fixing hole 232 and fixing hole 238. Fixing hole 232 is provided on the side of the mounting bracket 24 corresponding to the position of fixing rod 231, and fixing hole 238 is provided on the side of the mounting bracket 24 at a position 90 degrees rotated about the axis of rotation 21.

[0041] By adopting the above technical solution, fixing hole 1 238 and fixing hole 232 correspond to two different positions after the protective cover body 3 is folded. When the protective cover body 3 is folded to a horizontal state, fixing rod 231 is inserted into fixing hole 1 238 for fixation. When the protective cover body 3 is folded to a vertical state, fixing rod 231 is inserted into fixing hole 232 for fixation. This achieves stable fixation of the protective cover body 3 in different folding states, meets the folding requirements of different usage scenarios, and improves the flexibility and practicality of the equipment.

[0042] In this embodiment, when the protective cover body 3 needs to be folded, firstly, the protective cover body 3 is raised by rotating the handle 413, then the handle 237 is pulled to disengage the fixing rod 231 from the fixing hole. Next, the rotating block 22 is rotated to rotate the protective cover body 3 around the rotating shaft 21 to the desired folding position. Finally, the handle 237 is released, and the fixing rod 231 is reinserted into the corresponding fixing hole under the action of the spring 235, thus realizing the folding and fixing of the protective cover body 3. When the protective cover body 3 needs to be unfolded, the above operation is repeated to rotate the rotating block 22 to the unfolded state of the protective cover body 3 and fix it with the fixing component 23. The entire folding and unfolding process is simple and quick to operate, which can effectively improve work efficiency and ensure the stability of the protective cover body 3 in the folded and unfolded states.

[0043] The working principle and usage process of this utility model are as follows: When it is necessary to protect the indexing plate body 6, the handle 413 is turned to drive the pinion 411 to rotate. The pinion 411 drives the large gear 414 to rotate through meshing transmission, which in turn causes the double-acting screw 42 to rotate. The rotation of the double-acting screw 42 causes the two sets of nut blocks 44 to move closer to each other along the strip groove 43, thereby pushing the protective cover body 3 to move upward until the protective cover body 3 completely covers and seals the indexing plate body 6. At this time, the sealing gasket 5 on the side of the protective cover body 3 is tightly attached to the upper end surface of the working plate 1, effectively preventing dust, debris, etc. from entering the interior of the indexing plate body 6, and playing a good protective role. When the indexing plate body 6 needs to be used, the handle 413 is turned in the opposite direction to make the double-acting screw 42 rotate in the opposite direction, and the nut blocks 44 move along the strip groove 43. As the protective cover body 3 moves in a direction away from each other, it moves downwards, thus opening the protective cover body 3. After the protective cover body 3 is raised, if it needs to be folded, pull the handle 237 to disengage the fixing rod 231 from the fixing hole, rotate the rotating block 22 to rotate the protective cover body 3 around the rotating shaft 21 to the desired folding position, and then release the handle 237. The fixing rod 231 is reinserted into the corresponding fixing hole under the action of the spring 235, thus folding and fixing the protective cover body 3. When it is necessary to unfold the protective cover body 3, repeat the above operation, rotate the rotating block 22 to the unfolded state of the protective cover body 3, and fix it with the fixing component 23. The whole process is simple and quick to operate, which can effectively improve work efficiency, while ensuring the stability of the protective cover body 3 in the folded and unfolded states, meeting the needs of different usage scenarios.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rapid positioning indexing plate, comprising a work plate (1), wherein an indexing plate body (6) is disposed at the upper center of the work plate (1), characterized in that: The working plate (1) is provided with a protective cover switch mechanism (4) at the center of the interior. The upper end of the protective cover switch mechanism (4) is provided with a protective cover body (3). The side of the protective cover body (3) is provided with a sealing gasket (5). The protective cover switch mechanism (4) and the protective cover body (3) are connected by a protective cover folding mechanism (2). The protective cover switching mechanism (4) includes a two-way lead screw (42), which is rotatably connected inside the working plate (1). Two sets of nut blocks (44) are symmetrically arranged on the two ends of the two-way lead screw (42), and an adjustment component (41) is provided at the other end of the two-way lead screw (42).

2. The indexing plate for rapid positioning according to claim 1, characterized in that: The protective cover switching mechanism (4) also includes a strip plate (45), and strip plates (45) are provided on both sides of the nut block (44). The working plate (1) has a strip groove (43) corresponding to the strip plate (45) inside.

3. The indexing plate for rapid positioning according to claim 1, characterized in that: The adjustment assembly (41) includes a fixing plate (417). The fixing plate (417) is provided on the side of the working plate (1). The fixing plate (417) and the working plate (1) are fixedly connected by bolts (416). The fixing plate (417) is provided with a mounting box (415) on the side. The other end of the double-acting screw (42) is located inside the mounting box (415) and a large gear (414) is provided. The side of the large gear (414) is meshed with a small gear (411). The small gear (411) is provided with a rotating shaft (412) inside. The other end of the rotating shaft (412) is provided with a throttle (413).

4. The indexing plate for rapid positioning according to claim 3, characterized in that: The other end of the rotating shaft (412) is rotatably connected to the mounting box (415) via a bearing, and the pinion (411) is fixed to the surface of the rotating shaft (412) by screws.

5. The indexing plate for rapid positioning according to claim 2, characterized in that: The protective cover folding mechanism (2) includes a rotating block (22). The rotating block (22) is provided on the side of the protective cover body (3). The other end of the strip plate (45) is provided with a mounting frame (24). The rotating block (22) and the mounting frame (24) are rotatably connected by a rotating shaft (21). The other end of the rotating shaft (21) is provided with a rotating block (22). The inside of the side of the rotating block (22) is provided with a fixing component (23).

6. The indexing plate for rapid positioning according to claim 5, characterized in that: The fixing component (23) includes a circular groove (233). A circular groove (233) is provided inside the side of the rotating block (22). A circular plate (234) is slidably connected inside the circular groove (233). A fixing rod (231) is provided on one side of the circular plate (234). A pull rod (236) is provided on the other side of the circular plate (234). A handle (237) is provided at the other end of the pull rod (236). A spring (235) is sleeved on the surface of the pull rod (236) inside the circular groove (233).

7. The indexing plate for rapid positioning according to claim 6, characterized in that: The fixing component (23) also includes fixing hole two (232) and fixing hole one (238). Fixing hole two (232) is provided on the side of the mounting bracket (24) corresponding to the position of fixing rod (231), and fixing hole one (238) is provided on the side of the mounting bracket (24) at a position rotated ninety degrees around the axis of the pivot (21).

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