Combined type screw tap threading die suite
By introducing positioning and locking components into the combined tap and die kit, and utilizing the linkage between the drive motor and the forward and reverse leadscrews, automated clamping of the workpiece and rapid locking of the dies and taps are achieved, solving the problems of unstable clamping and cumbersome replacement, and improving the stability and efficiency of processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-03
AI Technical Summary
Existing modular tap and die kits are not stable enough when clamping the workpiece, and the operation of changing dies and taps is cumbersome, making it difficult to achieve effective clamping and quick switching.
The positioning component drives the swing arm to rotate, and the linkage rod pulls the connecting rod to drive the slider to slide along the slide rail, so as to realize the synchronous clamping of the clamping block; the positive and negative screw drives the moving block to move towards or away from the track plate, and embeds it into the slot to realize the quick locking of the die and the magnetic block. Combined with magnetic fixation, the die and tap can be quickly switched.
It achieves automated clamping and positioning, improving clamping stability and machining accuracy, and enhances operational efficiency and machining reliability through rapid locking and switching.
Smart Images

Figure CN224073504U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tap and die kits, specifically a combined tap and die kit. Background Technology
[0002] Taps and dies are a combination of tools used in machining to cut threads. Taps are specifically used to machine internal threads, and their spiral cone structure forms threads in a pre-drilled hole by rotation. Dies are used to machine external threads, and their annular cutter with an inner cutting edge forms threads by rotating and fitting onto the workpiece surface.
[0003] In the prior art, such as in publication number CN219254389U, a combined tap and die kit is disclosed, which includes a retaining ring, a die ring, and a tap rod. One end of the tap rod is provided with a tap thread, and both sides of the retaining ring are provided with threaded grooves. Threaded rods are threadedly connected to the interior of both threaded grooves, and rotating blocks are fixedly connected to one end of each of the two threaded rods. This utility model relates to the field of tap and die technology.
[0004] Although the aforementioned patent sets the first and second curved clamping blocks as curved clamping blocks that slide across each other, allowing the tap rod clamped between the first and second curved clamping blocks to be held in the arc-shaped clamping groove between the two clamping blocks, it cannot effectively clamp the workpiece to be processed. At the same time, the replacement operation of the die and tap is cumbersome and not secure enough. Therefore, a combined tap and die kit is proposed to address the above problems. Utility Model Content
[0005] To address the shortcomings of existing technologies, such as the inability to effectively clamp parts to be processed, and the cumbersome and insufficiently secure operation of replacing dies and taps, this invention proposes a combined tap and die kit.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The present utility model provides a combined tap and die kit, including an operating table, a positioning component fixedly connected to the surface of the operating table, clamping blocks symmetrically fixedly connected to both sides of the positioning component, a workpiece to be processed is provided on the side of the clamping block, a die is provided at the top of the workpiece to be processed, a wrench assembly is snapped onto the surface of the die, a magnetic block is provided inside the wrench assembly, a tap is magnetically connected to the bottom surface of the magnetic block, and slots are provided on the sides of both the die and the magnetic block.
[0007] The positioning component includes a slide rail and a drive motor fixedly connected to the surface of the operating table. The output end of the drive motor passes through the slide rail and is connected to a swing rod. The two ends of the swing rod are connected to a connecting rod through a pull rod. The top end of the connecting rod is fixedly connected to a slider that is slidably connected to the slide rail. The side of the slider is fixedly connected to a clamping block.
[0008] The winch assembly includes a mounting ring that fits onto the surface of the die. The mounting ring has a through-hole on its side. Track plates are symmetrically fixedly connected to both sides of the through-hole. A moving block is slidably connected to the surface of the track plate. A positive and negative threaded rod is threaded inside the moving block.
[0009] Preferably, the drive motor is fixedly connected to the back of the slide rail, and two pull rods are rotatably connected to both ends of the swing rod. The end of the pull rod away from the swing rod is rotatably connected to the connecting rod, and the two sliders are symmetrically slidably connected to the top surface of the slide rail.
[0010] Preferably, two moving blocks are provided on the surface of the track plate along the length of the moving opening, and the positive and negative lead screws pass through the two moving blocks simultaneously and are rotatably connected to the mounting ring. The end of the moving block near the moving opening extends into the slot of the die or magnetic block.
[0011] Preferably, the two ends of the positive and negative lead screws are respectively provided with threads of opposite directions, and the moving block can move along the track plate in opposite directions through threaded engagement.
[0012] Preferably, torque rods are symmetrically fixedly connected to both sides of the mounting ring, and the axis of the torque rods is set perpendicular to the axis of the positive and negative lead screws.
[0013] Preferably, the end of the moving block near the slot has a protrusion structure that matches the shape of the die slot.
[0014] The advantages of this utility model are:
[0015] 1. This utility model uses a drive motor of the positioning component to drive the swing rod to rotate, and the linkage rod pulls the connecting rod to drive the slider to slide symmetrically along the slide rail, so that the clamping blocks on both sides clamp the workpiece to be processed synchronously, realizing automated clamping and positioning, avoiding manual adjustment deviation, and improving clamping stability and processing accuracy;
[0016] 2. This utility model uses forward and reverse lead screws to drive the moving block to move towards each other along the track plate, so that the end of the moving block is simultaneously embedded in the slot of the die or the magnetic block. With the magnetic block magnetically fixing the tap, it realizes the rapid switching and double locking of the die and tap, solves the problems of cumbersome disassembly and assembly and unstable fixing of traditional tools, and improves the operating efficiency and processing reliability. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the positioning component structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the handbrake assembly structure of this utility model;
[0021] Figure 4 This is a schematic diagram of the disassembled structure of this utility model.
[0022] In the diagram: 1. Operating table; 2. Positioning assembly; 21. Slide rail; 22. Drive motor; 23. Swing rod; 24. Pull rod; 25. Connecting rod; 26. Slider; 3. Clamping block; 4. Part to be processed; 5. Die; 6. Handle assembly; 61. Mounting ring; 62. Track plate; 63. Moving block; 64. Positive and negative lead screws; 65. Torque rod; 7. Magnetic block; 8. Tap. Detailed Implementation
[0023] 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 scope of protection of the present utility model.
[0024] Please see Figures 1-4As shown, a combined tap and die kit includes an operating table 1. A positioning component 2 is fixedly connected to the surface of the operating table 1. Clamping blocks 3 are symmetrically fixedly connected to both sides of the positioning component 2. A workpiece 4 to be processed is provided on the side of the clamping block 3. A die 5 is provided at the top of the workpiece 4. A wrench assembly 6 is snapped onto the surface of the die 5. A magnetic block 7 is provided inside the wrench assembly 6. A tap 8 is magnetically connected to the bottom surface of the magnetic block 7. Slots are provided on the sides of both the die 5 and the magnetic block 7. The positioning component 2 includes a slide rail 21 fixedly connected to the surface of the operating table 1 and a drive motor 22. The output end of the drive motor 22 passes through the slide rail 21 and is connected to a swing rod 23. The two ends of the swing rod 23 are connected to a connecting rod 25 through a pull rod 24. A slider 26 slidably connected to the slide rail 21 is fixedly connected to the top of the connecting rod 25. The clamping block 3 is fixedly connected to the side of the slider 26.
[0025] During operation, the workpiece 4 to be processed is placed between the clamping blocks 3 on both sides of the operating table 1. The drive motor 22 is started to drive the swing rod 23 at the output end to rotate. The pull rod 24 connected to both ends of the swing rod 23 pulls the connecting rod 25, forcing the slider 26 at the top of the connecting rod 25 to slide symmetrically along the slide rail 21, driving the clamping blocks 3 on both sides to move synchronously towards the center and clamp the workpiece 4 to be processed, thus completing the automated clamping and positioning.
[0026] Furthermore, the handle assembly 6 includes a mounting ring 61 sleeved on the surface of the die 5. The mounting ring 61 has a through movable opening on its side. The track plate 62 is symmetrically fixedly connected on both sides of the movable opening. A movable block 63 is slidably connected to the surface of the track plate 62. A positive and negative threaded rod 64 is threadedly connected inside the movable block 63.
[0027] During operation, when machining external threads, the die 5 is fitted onto the top of the workpiece 4 to be machined. The positive and negative screws 64 of the wrench assembly 6 are rotated, causing the two moving blocks 63 on the track plate 62 to move synchronously in opposite directions. The protrusions at the ends of the moving blocks 63 are embedded into the slots on the side of the die 5 to complete the locking. The torque rod 65 drives the die 5 to rotate and cut. When switching to internal thread machining, the magnetic block 7 is attracted into the mounting ring 61 of the wrench assembly 6. The tap 8 is magnetically fixed by the bottom surface of the magnetic block 7. The positive and negative screws 64 are rotated synchronously to drive the moving blocks 63 to embed into the slots of the magnetic block 7 to form a double lock. The torque rod 65 drives the tap 8 to screw into the pre-drilled hole of the workpiece 4 to complete the internal thread machining.
[0028] Furthermore, torque rods 65 are symmetrically fixedly connected to both sides of the mounting ring 61, and the axis of the torque rods 65 is set perpendicular to the axis of the positive and negative lead screws 64;
[0029] During operation, the operator holds the torque rods 65 on both sides with both hands and applies rotational force. The torque is amplified through the lever principle, driving the mounting ring 61 to rotate the die 5 or the magnetic block 7. At the same time, the vertical layout avoids interference between the forward and reverse screws 64 and the torque rods 65 during operation, ensuring that the force is applied smoothly and evenly during the machining of external or internal threads, reducing the risk of slippage, and improving cutting efficiency and operational safety.
[0030] Furthermore, the end of the movable block 63 near the slot is provided with a protrusion structure that matches the shape of the slot of the die 5;
[0031] During operation, when the forward and reverse lead screws 64 are rotated, the moving block 63 slides along the track plate 62. The trapezoidal protrusion at its end is precisely embedded in the trapezoidal slot of the die 5 or the magnetic block 7, forming a surface contact lock. This prevents the moving block 63 from disengaging from the slot due to vibration during processing, ensuring the stability of the die 5 or the tap 8. At the same time, the geometric matching design of the protrusion and the slot simplifies the disassembly and assembly steps, enabling quick switching without the need for additional fasteners.
[0032] Working principle: During operation, the workpiece 4 to be processed is placed between the clamping blocks 3 on both sides of the positioning component 2 on the surface of the operating table 1. The drive motor 22 is started to drive the swing rod 23 through the slide rail 21 to rotate. The connecting rod 25 is pulled by the pull rods 24 at both ends to drive the slider 26 to slide symmetrically along the slide rail 21, forcing the clamping blocks 3 to clamp the workpiece 4 simultaneously. When processing external threads, the die 5 is fitted onto the top of the workpiece. The mounting ring 61 of the wrench component 6 engages the die 5. The forward and reverse screws 64 are manually rotated to drive the track plate 62. The moving blocks 63 move towards each other, so that the protrusion at their ends is locked into the slot on the side of the die 5. The torque rod 65 is held to rotate the die 5 to complete the external thread cutting. When switching to internal thread machining, the die 5 is disassembled, the magnetic block 7 is placed in the mounting ring 61 and the tap 8 is attracted. The forward and reverse screws 64 are rotated again to make the moving blocks 63 fit into the slot of the magnetic block 7 to achieve double locking. Then, the torque rod 65 drives the tap 8 to be screwed into the pre-drilled hole of the workpiece 4 to perform internal thread machining, realizing efficient switching and stable operation of one machine with two functions.
[0033] The above description is merely 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, or similar improvements made within the theoretical and principle content of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A combined tap and die kit, characterized in that: The utility model provides an improved and efficient processing device for the machining of parts, which comprises an operating table (1), the surface of the operating table (1) is fixedly connected with a positioning assembly (2), the two sides of the positioning assembly (2) are symmetrically fixedly connected with clamping blocks (3), the side surface of the clamping block (3) is provided with a part to be machined (4), the top end of the part to be machined (4) is provided with a die block (5), the surface of the die block (5) is clamped with a wrench assembly (6), the inside of the wrench assembly (6) is provided with a magnetic block (7), the bottom surface of the magnetic block (7) is magnetically connected with a tap (8), the side surfaces of the die block (5) and the magnetic block (7) are both provided with clamping grooves. The positioning assembly (2) comprises a slide rail (21) and a drive motor (22), the drive motor (22) is fixedly connected to the surface of the operating table (1), the output end of the drive motor (22) penetrates through the slide rail (21) and is connected with an oscillating rod (23), the two ends of the oscillating rod (23) are connected with connecting rods (25) through pull rods (24), the top end of the connecting rod (25) is fixedly connected with a sliding block (26) which is slidably connected to the slide rail (21), and the side surface of the sliding block (26) is fixedly connected with the clamping block (3). The wrench assembly (6) comprises a mounting ring (61) which is sleeved on the surface of the die block (5), the side surface of the mounting ring (61) is provided with a penetrating moving opening, the two sides of the moving opening are symmetrically fixedly connected with track plates (62), the surface of the track plate (62) is slidably connected with moving blocks (63), and the inside of the moving block (63) is threadedly connected with forward and reverse screw rods (64).
2. The modular tap die sleeve kit of claim 1, wherein: The drive motor (22) is fixedly connected to the back surface of the slide rail (21), the two ends of the oscillating rod (23) are respectively rotatably connected with two pull rods (24), one end of the pull rod (24) away from the oscillating rod (23) is rotatably connected with the connecting rod (25), and the two sliding blocks (26) are symmetrically slidably connected to the top surface of the slide rail (21).
3. The modular tap die sleeve kit of claim 1, wherein: The surface of the track plate (62) is provided with two moving blocks (63) along the length direction of the moving opening, the forward and reverse screw rods (64) penetrate through the two moving blocks (63) and are rotatably connected with the mounting ring (61), and one end of the moving block (63) close to the moving opening extends into the clamping groove of the die block (5) or the magnetic block (7).
4. The modular tap die sleeve kit of claim 1, wherein: The two ends of the forward and reverse screw rods (64) are respectively provided with threads with opposite rotation directions, and the moving blocks (63) are movably connected with the track plates (62) through thread cooperation.
5. The modular tap die sleeve kit of claim 1 wherein: The two sides of the mounting ring (61) are symmetrically fixedly connected with torque rods (65), and the axis of the torque rod (65) is perpendicular to the axis of the forward and reverse screw rods (64).
6. The modular tap die sleeve kit of claim 1 wherein: The end of the moving block (63) close to the clamping groove is provided with a protruding structure matched with the shape of the clamping groove of the die block (5).
Citation Information
Patent Citations
Combined type screw tap threading die suite
CN219254389U