High-performance dry cutting screw tap

By using a split design and a heat dissipation component for the dry-cut tap, the problems of temperature rise and overall replacement were solved, achieving the effects of cooling and reducing replacement costs.

CN224102007UActive Publication Date: 2026-04-10WUXI RUIWANG THREAD TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI RUIWANG THREAD TOOLS CO LTD
Filing Date
2025-05-19
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Dry cutting taps experience increased temperature during the cutting process, leading to a reduced lifespan. Furthermore, once damaged, they require complete replacement, increasing costs.

Method used

Designed as a split structure, it includes a main body component, a connecting component, and a heat dissipation component. Heat dissipation is achieved through an air inlet and an exhaust channel, and the design is detachable through a movable ring and a connecting ball. It consists of two parts: a tap rod and a tap shank.

Benefits of technology

It effectively reduces temperature, extends service life, and only requires replacing the tap rod when the tap tip is damaged, thus reducing replacement costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-performance dry cutting screw tap, which relates to the technical field of dry cutting screw taps, and comprises a main body assembly, a connecting assembly and a heat dissipation assembly, the main body assembly comprises a screw tap rod and a baffle ring, the baffle ring is fixedly connected to the bottom end of the screw tap rod, the connecting assembly is movably connected to the top of the main body assembly, and the connecting assembly comprises a movable ring and a connecting ball. The connecting ball is movably connected to the interior of the movable ring, the heat dissipation assembly is arranged in the main body assembly and the connecting assembly, the heat dissipation assembly comprises an air inlet and an exhaust channel, and the exhaust channel is arranged in the air inlet. Under the combined action of the air inlet and the exhaust channel, when a machine tool drives the dry cutting screw tap to rotate, air can be sucked into the dry cutting screw tap through the air inlet in the screw tap handle, the air is guided to the screw tap head through the exhaust channel, the screw tap head is cooled during tapping, the working environment of the screw tap head is improved, and the service life of the dry cutting screw tap is prolonged. And the service life of the dry cutting screw tap is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dry tapping tap technology field, concretely relates to a high performance dry tapping tap. BACKGROUND

[0002] The tap is a kind of tool for processing internal thread, can be divided into helical groove tap, blade rake angle tap, straight flute tap and pipe thread tap according to shape, can be divided into hand tap and machine tap according to use environment, and the tap is the most mainstream processing tool used by manufacturing industry operator when tapping, and dry tapping tap refers to a kind of tap without using cutting fluid for thread processing.

[0003] But dry tapping tap cancels the cooling of tap by cutting fluid in the cutting process, so that the temperature of tap is continuously increased when tapping, the heat dissipation effect of dry tapping tap is poor, so that the service life of tap is reduced, and the existing dry tapping tap is mostly integral, after tap head is damaged when tapping, only the whole tap can be replaced, material is wasted, processing cost is increased, and it is inconvenient to popularize and use.

[0004] The application provides a kind of high performance dry tapping tap to solve this problem. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of high performance dry tapping tap to solve the temperature of tap is continuously increased when tapping of dry tapping tap proposed in above background art, and the service life of tap is reduced, and the existing dry tapping tap is mostly integral, after tap head is damaged, only the whole tap can be replaced, processing cost is increased, and the use effect is poor.

[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0007] A kind of high performance dry tapping tap, including main body component, connecting assembly and heat dissipation component, the main body component includes tap rod and baffle ring, the baffle ring is fixedly connected at the bottom of tap rod, the connecting assembly is movably connected at the top of main body component, the connecting assembly includes movable ring and connecting ball, the connecting ball is movably connected in the inside of movable ring, the heat dissipation component is set up in the inside of main body component and connecting assembly, the heat dissipation component includes air inlet and exhaust passage, the exhaust passage is arranged in the inside of air inlet.

[0008] The further improvement of the technical scheme of the utility model is that the bottom of the tap rod is fixedly connected with a tap head, the outside of the tap head is provided with a chip removal groove, and the inside of the tap rod is provided with an air outlet.

[0009] The further improvement of the technical scheme of the utility model is that the top of the tap rod is provided with a transmission groove, the inside of the transmission groove is movably connected with a transmission block, and the top of the transmission block is fixedly connected with a tap shank.

[0010] The further improvement of the utility model technical scheme lies in that the movable ring is threadedly connected at the outside of the tap shank, the inside of the tap shank is provided with a mounting hole, and the connecting ball is movably mounted in the inside of the mounting hole.

[0011] The further improvement of the utility model technical scheme lies in that the air inlet is arranged in the inside of the tap shank, and the top of the tap shank is fixedly connected with a tap connecting chuck.

[0012] The further improvement of the utility model technical scheme lies in that the outside of the movable ring is fixedly connected with a fixing block, the exhaust passage is arranged in the inside of the tap rod, and the air outlet is arranged in the inside of the exhaust passage.

[0013] The further improvement of the utility model technical scheme lies in that the top of the tap rod is fixedly connected with a connecting rod, the connecting rod is movably connected in the inside of the tap shank, the outside of the connecting rod is provided with a connecting groove, and the outside of the connecting ball is movably connected in the inside of the connecting groove.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1. The utility model provides a high-performance dry tapping tap, through the cooperation of the air inlet and the exhaust passage, when the dry tapping tap rotates for tapping workpieces, the air inlet in the inside of the tap shank sucks air into the inside of the dry tapping tap, and the exhaust passage guides the air to the tap head, so that the tap head is cooled, and the service life of the dry tapping tap is improved.

[0016] 2. The utility model provides a high-performance dry tapping tap, through the cooperation of the movable ring and the connecting ball, the connecting ball connects the tap shank and the tap rod, the movable ring limits the connecting ball, so that the dry tapping tap is divided into the tap rod and the tap shank, so that only the tap rod needs to be replaced when the tap head is damaged, and the processing cost is reduced. DRAWINGS

[0017] Figure 1 It is a structure schematic view of the high-performance dry tapping tap of the utility model;

[0018] Figure 2 It is a structure schematic view of the high-performance dry tapping tap of the utility model;

[0019] Figure 3 It is an inside structure schematic view of the connecting assembly of the utility model;

[0020] Figure 4 It is a structure schematic view of the heat dissipation assembly of the utility model.

[0021] As shown in the figure: 1, the main body assembly; 2, connecting assembly; 3, heat dissipation assembly; 10, tap rod; 11, retaining ring; 12, tap head; 13, chip groove; 15, tap connecting chuck; 20, transmission groove; 21, connecting rod; 22, connecting groove; 23, transmission block; 24, connecting ball; 25, movable ring; 26, fixed block; 27, tap handle; 28, mounting hole; 30, air inlet; 31, exhaust passage; 32, air outlet. DETAILED DESCRIPTION

[0022] The utility model makes further detailed description in combination with examples:

[0023] As Figure 1 and Figure 2 shown, the utility model provides a high performance dry cut tap, including main body assembly 1, connecting assembly 2 and heat dissipation assembly 3, connecting assembly 2 is movably connected at the top of main body assembly 1, through connecting assembly 2, this dry cut tap can be divided into two parts, is convenient for replacing tap head 12, reduces processing cost, heat dissipation assembly 3 is set up in the inside of main body assembly 1 and connecting assembly 2, through heat dissipation assembly 3, the processing temperature of dry cut tap is reduced, improves the service life of dry cut tap.

[0024] As Figure 2 shown, main body assembly 1 includes tap rod 10 and retaining ring 11, retaining ring 11 is fixedly connected at the bottom end of tap rod 10, through retaining ring 11, the chip produced when tapping is isolated, prevents the chip from winding on the surface of tap rod 10, scratches workpiece.

[0025] As Figure 2 shown, the bottom of tap rod 10 is fixedly connected with tap head 12, the outside of tap head 12 is provided with chip groove 13, through tap head 12, workpiece is tapped, and then the chip produced when tapping is discharged from workpiece through chip groove 13.

[0026] As Figure 2 and Figure 3 shown, connecting assembly 2 includes movable ring 25 and connecting ball 24, connecting ball 24 is movably connected in the inside of movable ring 25, movable ring 25 is screw-connected at the outside of tap handle 27, the inside of tap handle 27 is provided with mounting hole 28, connecting ball 24 is movably installed in the inside of mounting hole 28, connecting ball 24 is connected to tap rod 10 through connecting ball 24, and connecting ball 24 is limited through movable ring 25, prevents connecting ball 24 from coming out.

[0027] As Figure 2 and Figure 3As shown, the top of the tap rod 10 is fixedly connected with a connecting rod 21, the connecting rod 21 is movably connected in the inside of the tap handle 27, the outside of the connecting rod 21 is provided with a connecting groove 22, the outside of the connecting ball 24 is movably connected in the inside of the connecting groove 22, the dry tapping tap is divided into two parts of the tap rod 10 and the tap handle 27 by the combination or separation of the connecting ball 24 and the connecting rod 21, so that the tap head 12 is damaged and only the tap rod 10 needs to be replaced, thereby reducing the processing cost.

[0028] As shown in the figure, Figure 2 The top of the tap handle 27 is fixedly connected with a tap connecting chuck 15, and the dry tapping tap can be connected with the machine tool through the tap connecting chuck 15.

[0029] As shown in the figure, Figure 2 The outside of the movable ring 25 is fixedly connected with a fixed block 26, and the fixed block 26 can facilitate the installation or disassembly of the movable ring 25 by the staff.

[0030] As shown in the figure, Figure 2 And Figure 3 The top of the tap rod 10 is provided with a transmission groove 20, the inside of the transmission groove 20 is movably connected with a transmission block 23, the top of the transmission block 23 is fixedly connected with the tap handle 27, and the transmission groove 20 on the tap rod 10 should correspond to the transmission block 23 on the tap handle 27 when the dry tapping tap is installed. When tapping, the rotary motion of the machine tool is transmitted through the combination of the transmission groove 20 and the transmission block 23 to make the tap rod 10 rotate.

[0031] As shown in the figure, Figure 3 And Figure 4 The heat dissipation assembly 3 includes an air inlet 30 and an exhaust passage 31, the exhaust passage 31 is arranged in the inside of the air inlet 30, the exhaust passage 31 is arranged in the inside of the tap rod 10, the air inhaled into the dry tapping tap is conducted through the exhaust passage 31, the air inlet 30 is arranged in the inside of the tap handle 27, and the air can be inhaled into the inside of the dry tapping tap through the air inlet 30 when the dry tapping tap rotates, and the air is guided to the tap head 12 through the exhaust passage 31. Through the joint action of the air inlet 30 and the exhaust passage 31, the tap head 12 is cooled, and the service life of the dry tapping tap is improved.

[0032] As shown in the figure, Figure 4 The air outlet 32 is arranged in the inside of the exhaust passage 31, and the inside of the tap rod 10 is provided with the air outlet 32. The air after cooling can be discharged through the air outlet 32.

[0033] The working principle of the high-performance dry tapping tap will be described below.

[0034] As shown in the figure, Figures 1-4As shown, when the high-performance dry tapping tap is used, the movable ring 25 is unscrewed, the connecting rod 21 at the top end of the tap rod 10 is inserted into the inside of the tap handle 27, the transmission groove 20 on the tap rod 10 corresponds to the transmission block 23 on the tap handle 27, when the connecting rod 21 is inserted into the tap handle 27, the connecting ball 24 in the inside of the tap handle 27 combines with the connecting groove 22 on the connecting rod 21, the movable ring 25 is screwed into place, the connecting ball 24 is limited, the dry tapping tap is divided into two parts of the tap rod 10 and the tap handle 27 through the combination or separation of the connecting ball 24 and the connecting rod 21, the tap rod 10 can be replaced only when the tap head 12 is damaged through the joint action of the movable ring 25 and the connecting ball 24, the processing cost is reduced, when disassembled, the tap rod 10 can be removed only by unscrewing the movable ring 25, the dry tapping tap is connected with the machine tool through the tap connecting chuck 15 at the top of the tap handle 27, when tapping, the rotation movement of the machine tool is transmitted through the combination of the transmission groove 20 and the transmission block 23, the tap rod 10 rotates, while the dry tapping tap rotates, air is sucked into the inside of the dry tapping tap through the air inlet 30 in the inside of the tap handle 27, and the air is guided to the tap head 12 through the air outlet passage 31, the tap head 12 is cooled through the joint action of the air inlet 30 and the air outlet passage 31, the working environment of the tap head 12 is improved, the service life of the dry tapping tap is improved, and the air after cooling is discharged through the air outlet 32.

[0035] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the scope of the utility model.

Claims

1. A high performance dry tap comprising a body assembly (1), a connecting assembly (2) and a heat dissipation assembly (3), characterized in that: The main body assembly (1) includes a tap rod (10) and a blocking ring (11), the blocking ring (11) is fixedly connected to the bottom end of the tap rod (10), the connecting assembly (2) is movably connected to the top of the main body assembly (1), the connecting assembly (2) includes a movable ring (25) and a connecting ball (24), the connecting ball (24) is movably connected to the inside of the movable ring (25), the heat dissipation assembly (3) is arranged in the inside of the main body assembly (1) and the connecting assembly (2), the heat dissipation assembly (3) includes an air inlet (30) and an exhaust passage (31), the exhaust passage (31) is arranged in the inside of the air inlet (30).

2. A high performance dry tap according to claim 1 wherein: The bottom of the tap rod (10) is fixedly connected with a tap head (12), the outside of the tap head (12) is provided with a chip removal groove (13), and the inside of the tap rod (10) is provided with an air outlet (32).

3. A high performance dry tap according to claim 1 wherein: The top of the tap rod (10) is provided with a transmission groove (20), the inside of the transmission groove (20) is movably connected with a transmission block (23), and the top of the transmission block (23) is fixedly connected with a tap handle (27).

4. A high performance dry tap according to claim 1 wherein: The movable ring (25) is screw-connected to the outside of the tap handle (27), the inside of the tap handle (27) is provided with a mounting hole (28), and the connecting ball (24) is movably mounted in the inside of the mounting hole (28).

5. A high performance dry tap according to claim 1 wherein: The air inlet (30) is arranged in the inside of the tap handle (27), and the top of the tap handle (27) is fixedly connected with a tap connecting chuck (15).

6. A high performance dry tap according to claim 2 wherein: The outside of the movable ring (25) is fixedly connected with a fixed block (26), the exhaust passage (31) is arranged in the inside of the tap rod (10), and the air outlet (32) is arranged in the inside of the exhaust passage (31).

7. A high performance dry tap according to claim 1 wherein: The top of the tap rod (10) is fixedly connected with a connecting rod (21), the connecting rod (21) is movably connected to the inside of the tap handle (27), the outside of the connecting rod (21) is provided with a connecting groove (22), and the outside of the connecting ball (24) is movably connected to the inside of the connecting groove (22).