Spiral tip circular die
By designing a limiting post and quick-release structure for the screw tip round die, the problem of needing to replace the round die in the existing technology is solved, and the effect of convenient adjustment of the cutting tooth spacing and quick replacement of the cutting teeth is achieved, thus improving work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-03-31
AI Technical Summary
In existing equipment, cutting bolts or screws of different sizes requires changing to different round dies, which is cumbersome and affects work efficiency.
A screw-tip round die is designed, comprising a ring, a limiting post, a scale, a moving block, a connecting groove, a connecting block, cutting teeth, a bolt, a threaded rod, a knob, and other structures. The knob drives the threaded rod to push the moving block, adjusting the spacing of the cutting teeth, thus achieving a cutting operation without replacing the round die. A quick-release structure enables rapid fixing of the snap-fit block.
It enables convenient adjustment of the cutting tooth spacing according to the screw size, improves work efficiency, simplifies the process of tool replacement and replacement of worn cutting teeth, and enhances operational convenience and efficiency.
Smart Images

Figure CN224058870U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to round die technology field especially relates to a screw tip round die. BACKGROUND
[0002] Screw tip round die is a kind of for cutting or repairing external thread (such as bolt, screw rod etc.) manual or mechanical tool, belongs to the special type of die (also called "screw tap" or "thread die").
[0003] But in the existing equipment, cutting bolt or screw rod of different size needs to replace different round dies, and the operation is more cumbersome, which affects the work efficiency of staff, and therefore a kind of screw tip round die is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a screw tip round die.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a screw tip round die, including ring, the inner side wall of the ring is equipped with multiple groups of sliding holes, each group of sliding holes is two, each group of sliding holes is equipped with adjusting structure, the outer side wall of the ring is fixedly connected with fixed block, the side of each fixed block is equipped with clamping groove, each clamping groove is slidably connected with clamping block, the upper surface of each clamping block is equipped with clamping hole, the side of each clamping block is fixedly connected with spanner, and each fixed block is equipped with quick-release structure.
[0006] The adjusting structure includes two limit posts slidably connected in the corresponding group of sliding holes, and the upper surface of one of the limit posts is fixedly connected with a scale.
[0007] As a further description of the above technical scheme:
[0008] One end of two limit posts is fixedly connected with a moving block, one side of the moving block is equipped with a connecting groove, the connecting groove is slidably connected with a connecting block, one side of the connecting block is fixedly connected with a cutting tooth, the bottom of the cutting tooth is equipped with a taper angle, and the upper surface of the connecting block is equipped with a threaded hole.
[0009] As a further description of the above technical scheme:
[0010] The upper surface of the moving block is connected with a bolt, and the bolt is threadedly connected in the threaded hole.
[0011] As a further description of the above technical scheme:
[0012] One side of the movable block is rotatably connected to a threaded rod, one end of which is threaded through and connected to the inside of the ring and fixedly connected to a knob.
[0013] As a further description of the above technical solution:
[0014] The quick-release structure includes a fixed frame fixedly connected to the upper surface of the fixed block. A sliding rod is slidably connected through the upper surface of the fixed frame. One end of the sliding rod is rotatably connected to a fork. One side of the fork is in contact with one side of the fixed frame.
[0015] As a further description of the above technical solution:
[0016] The other end of the sliding rod is fixedly connected to a snap-fit post, which is slidably connected through the upper surface of the corresponding fixed block and is adapted to the corresponding snap-fit hole.
[0017] As a further description of the above technical solution:
[0018] A spring is fitted onto the sliding rod. One end of the spring is fixedly connected to the inside side of the fixed frame, and the other end is fixedly connected to one side of the snap-fit post.
[0019] This utility model has the following beneficial effects:
[0020] 1. Compared with existing technologies, this screw tip round die, by setting limit posts, scales, moving blocks, connecting grooves, connecting blocks, cutting teeth, bolts, threaded rods, knobs, and cone angles, allows operators to easily adjust the spacing between multiple cutting teeth according to the size of the screw without replacing different round dies. This makes operation convenient and improves the work efficiency of operators. By using tools to unscrew the bolts and then removing the cutting teeth, operators can easily replace severely worn cutting teeth.
[0021] 2. Compared with the existing technology, this screw tip round die, by setting a fixed frame, sliding rod, snap-fit post, spring and shift fork, etc., the shift fork drives the sliding rod to move, the sliding rod drives the snap-fit post to move and compress the spring, and then the two snap-fit blocks are snapped into the corresponding snap-fit grooves. Then the shift fork is moved again, and under the elasticity of the spring, the snap-fit post is snapped into the corresponding snap-fit hole to fix the snap-fit blocks, which makes it convenient for the operator to rotate the wrench to cut the screw. Attached Figure Description
[0022] Figure 1 This is a three-dimensional structural diagram of a screw tip round die proposed in this utility model;
[0023] Figure 2 This is a schematic diagram of a fixing block and a snap-fit block for a screw tip round die proposed in this utility model;
[0024] Figure 3 Exploded view of the fixing block and snap-fit block of the screw tip round plate tooth proposed in this utility model;
[0025] Figure 4 This is a schematic diagram of an adjustment structure for a screw tip round plate tooth proposed in this utility model;
[0026] Figure 5 An exploded view of an adjustment structure for a screw tip round die proposed in this utility model;
[0027] Figure 6 This is a schematic diagram of the cutting teeth of a screw tip round plate tooth proposed in this utility model;
[0028] Figure 7 This is a schematic diagram of a quick-release structure for a screw tip round die proposed in this utility model;
[0029] Figure 8 An exploded view of a quick-disassembly structure for a screw tip round die proposed in this utility model.
[0030] Legend:
[0031] 1. Ring; 2. Sliding hole; 3. Adjustment structure; 301. Limiting post; 302. Scale; 303. Moving block; 304. Connecting groove; 305. Connecting block; 306. Cutting teeth; 307. Bolt; 308. Threaded rod; 309. Knob; 3010. Cone angle; 4. Fixing block; 5. Snap-fit groove; 6. Snap-fit block; 7. Wrench; 8. Quick-release structure; 801. Fixing frame; 802. Sliding rod; 803. Snap-fit post; 804. Spring; 805. Shift fork. Detailed Implementation
[0032] 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.
[0033] Reference Figures 1 to 8This utility model provides a screw tip round die: including a ring 1, the inner side wall of the ring 1 is provided with multiple sets of sliding holes 2, each set of sliding holes 2 has two, each set of sliding holes 2 is provided with an adjustment structure 3, a fixing block 4 is fixedly connected to the outer side wall of the ring 1, each fixing block 4 is provided with a snap-fit groove 5 on one side, each snap-fit groove 5 is slidably connected with a snap-fit block 6, each snap-fit block 6 is provided with a snap-fit hole on its upper surface, and a wrench 7 is fixedly connected to one side of each snap-fit block 6. The wrench 7 drives the snap-fit block 6 to rotate, and the snap-fit block 6 drives the ring 1 to rotate through the fixing block 4. The ring 1 drives multiple cutting teeth 306 to cut the screw. The operation is convenient and the cutting efficiency is improved. Each fixing block 4 is provided with a quick-release structure 8.
[0034] To achieve the adjustment purpose, the adjustment structure 3 includes two limiting posts 301 slidably connected in a set of corresponding sliding holes 2. A scale 302 is fixedly connected to the upper surface of one of the limiting posts 301. A moving block 303 is fixedly connected to one end of both limiting posts 301. A threaded rod 308 is rotatably connected to one side of the moving block 303. One end of the threaded rod 308 is threaded through and threaded into one side of the inner side of the ring 1 and fixedly connected to a knob 309. A connecting groove 304 is opened on one side of the moving block 303. A connecting block 305 is slidably connected in the connecting groove 304. A cutting tooth 306 is fixedly connected to one side of the connecting block 305. A cone angle 3010 is opened at the bottom of the cutting tooth 306. A thread is opened on the upper surface of the connecting block 305. A bolt 307 is movably connected through the upper surface of the moving block 303. The bolt 307 is threaded into the threaded hole. Rotating the knob 309 causes the threaded rod 308 to rotate, which in turn pushes the moving block 303 to move. The moving block 303 drives the cutting teeth 306 to move through the connecting block 305. At the same time, the moving block 303 drives the two limit posts 301 to move, which in turn drive the scale 302 to move. This allows the operator to adjust the spacing between the multiple cutting teeth 306 according to the size of the screw without having to replace different round dies. This convenient operation improves the operator's work efficiency. The bolt 307 can be unscrewed with a tool, and then the cutting teeth 306 can be removed, making it easy for the operator to replace the severely worn cutting teeth 306.
[0035] To achieve rapid assembly and disassembly, the quick-disassembly structure 8 includes a fixed frame 801 fixedly connected to the upper surface of the fixed block 4. A sliding rod 802 is slidably connected through the upper surface of the fixed frame 801. One end of the sliding rod 802 is rotatably connected to a fork 805, one side of which is in contact with one side of the fixed frame 801. The other end of the sliding rod 802 is fixedly connected to a locking post 803. A spring 804 is sleeved on the sliding rod 802. One end of the spring 804 is fixedly connected to one side of the interior of the fixed frame 801, and the other end is fixedly connected to one side of the locking post 803. The locking post 803 is slidably connected to the upper surface of the corresponding fixing block 4. The locking post 803 is adapted to the corresponding locking hole. The shift fork 805 is moved, which drives the sliding rod 802 to move. The sliding rod 802 drives the locking post 803 to move and compress the spring 804. Then, the two locking blocks 6 are locked into the corresponding locking grooves 5. Then, the shift fork 805 is moved again. Under the elasticity of the spring 804, the locking post 803 is locked into the corresponding locking hole, which fixes the locking block 6 and makes it convenient for the operator to rotate the wrench 7 to cut the screw.
[0036] Working principle: Rotating knob 309 drives threaded rod 308 to rotate, which in turn pushes moving block 303 to move. Moving block 303, through connecting block 305, drives cutting teeth 306 to move. Simultaneously, moving block 303 drives two limit posts 301 to move, which in turn drive scale 302 to move. This allows operators to easily adjust the spacing between multiple cutting teeth 306 according to the size of the screw, without needing to change different round dies. The operation is convenient and improves operator efficiency. The bolt 306 can be unscrewed using tools. 07. Then remove the cutting tooth 306 to facilitate the replacement of the severely worn cutting tooth 306 by the staff. Move the shift fork 805. The shift fork 805 drives the sliding rod 802 to move. The sliding rod 802 drives the locking post 803 to move and compress the spring 804. Then, the two locking blocks 6 are locked into the corresponding locking grooves 5. Then, move the shift fork 805 again. Under the elasticity of the spring 804, the locking post 803 is locked into the corresponding locking hole to fix the locking block 6, so that the staff can rotate the wrench 7 to cut the screw.
[0037] 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. A screw point die comprising a circular ring (1), characterised in that: The inner side wall of the circular ring (1) is provided with a plurality of groups of sliding holes (2), each group of the sliding holes (2) is two, each group of the sliding holes (2) is provided with an adjusting structure (3), the outer side wall of the circular ring (1) is fixedly connected with a fixed block (4), one side of each of the fixed blocks (4) is provided with a clamping groove (5), each of the clamping grooves (5) is slidably connected with a clamping block (6), the upper surface of each of the clamping blocks (6) is provided with a clamping hole, one side of each of the clamping blocks (6) is fixedly connected with a wrench (7), and each of the fixed blocks (4) is provided with a quick release structure (8). The adjusting structure (3) comprises two limiting columns (301) slidably connected in a corresponding group of sliding holes (2), and the upper surface of one of the limiting columns (301) is fixedly connected with a scale (302).
2. A screw point screw die according to claim 1, wherein: One end of the two limiting columns (301) is fixedly connected with a moving block (303), one side of the moving block (303) is provided with a connecting groove (304), the connecting groove (304) is slidably connected with a connecting block (305), one side of the connecting block (305) is fixedly connected with a cutting tooth (306), the bottom of the cutting tooth (306) is provided with a taper angle (3010), and the upper surface of the connecting block (305) is provided with a threaded hole.
3. A screw point screw die according to claim 2, wherein: The upper surface of the moving block (303) is rotatably connected with a bolt (307), and the bolt (307) is threadedly connected in the threaded hole.
4. A screw point screw die according to claim 2, wherein: One side of the moving block (303) is rotatably connected with a threaded rod (308), one end of the threaded rod (308) penetrates through the inside of the circular ring (1) and is fixedly connected with a knob (309).
5. A screw point screw die according to claim 1 wherein: The quick release structure (8) comprises a fixed frame (801) fixedly connected to the upper surface of the fixed block (4), the upper surface of the fixed frame (801) is slidably connected with a sliding rod (802), one end of the sliding rod (802) is rotatably connected with a fork (805), and one side of the fork (805) is attached to one side of the fixed frame (801).
6. A screw point screw die according to claim 5, wherein: The other end of the sliding rod (802) is fixedly connected with a clamping column (803), the clamping column (803) is slidably connected to the upper surface of the corresponding fixed block (4), and the clamping column (803) is matched with the corresponding clamping hole.
7. A screw point screw die according to claim 6, wherein: The sliding rod (802) is provided with a spring (804), one end of the spring (804) is fixedly connected to one side of the inside of the fixed frame (801), and the other end is fixedly connected to one side of the clamping column (803).