CN204565355U - A kind of combined type screw tap - Google Patents

Abstract

The utility model relates to a combined thread tapping, which comprises a guide head, the end of the guide head is provided with a tool installation seat, a blade installation groove is arranged on the cutter installation seat, and a blade installation groove is arranged on one side of the blade installation groove. The detachable blade is provided with a sleeve connecting end at one end of the tool mounting seat, and the sleeve connecting end and the tool mounting seat are integrally formed, and a sleeve connecting rod is provided on the side of the sleeve connecting end, and the A connection wrench is provided on one side of the connecting rod of the sleeve, the cutting outer end of the detachable blade is higher than the outer ends of the first thread and the second thread, and the end face of the guide head on the side of the thread section is the first thread slope, The end surface of the tool mounting seat on the side connected to the guide head is a second thread slope, and the first thread slope and the second thread slope are mated and connected. The utility model has stable operation, no deviation, high hardness of the cutter head, not easy to wear, small volume, light weight, convenient use and operation, and wide application range.

Description

A combined wire tapping

technical field

The utility model relates to a screw tap for threaded mouth products, in particular to a combined thread tap for threaded mouth products.

Background technique

The threaded tank mouth made of PPO will be slightly deformed due to temperature and force during the production process, and the products that do not meet the standards will be processed with a thread tap to meet the qualified requirements.

The traditional wire tapping head and body are made of alloy steel. During use, they are rubbed against the PPO material and are easily worn out, resulting in the reduction of the outer diameter of the wire tap, which loses its function, and cannot be replaced and repaired, resulting in the scrapping of the wire tap, and the overall weight Big and not easy to handle.

Contents of the invention

Purpose of the invention: The purpose of this utility model is to overcome the deficiencies in the prior art and provide a knife head with stable operation, no deviation, high hardness, not easy to wear, small size, light weight, convenient use and operation, and a wide range of applications. A wide range of combined tapping.

Technical solution: In order to solve the above technical problems, a combined screw tap according to the utility model includes a guide head, the guide head is composed of a smooth section and a threaded section, and the thread on the threaded section is the first thread , a tool mounting seat is provided at the end of the guide head on the side of the threaded section, a blade mounting groove is provided on the tool mounting seat, a detachable blade is provided on one side of the blade mounting groove, and a One end of the tool mounting seat is provided with a sleeve connecting end, the sleeve connecting end and the tool mounting seat are integrally formed, a sleeve connecting rod is provided on one side of the sleeve connecting end, and a sleeve connecting rod is provided on one side of the sleeve connecting rod. There is a connecting wrench, the guide head and the tool mounting seat are connected and fixed on the center line by fixing bolts, and the tool mounting seat between the blade mounting grooves is provided with a second thread, and the first thread and the second thread The outer diameters are the same, the cutting outer end of the detachable blade is higher than the outer ends of the first thread and the second thread, and the end face of the guide head on the side of the thread section is the first thread slope, which is connected with the guide head The end surface of the tool mounting seat on that side is a second thread bevel, and the first thread bevel is matched with the second thread bevel.

A positioning groove is provided in the middle of the first thread slope.

A positioning block is provided in the middle of the second thread slope, and the positioning block is mated and connected with the positioning groove.

The positioning groove is a circular groove, and the positioning block is a circular protrusion.

Six blade mounting grooves are uniformly arranged on the cutter mounting seat.

A connection hole is provided on the blade installation groove, and a connection bolt is provided in the connection hole, and the detachable blade is fixedly connected with the tool mounting seat through the connection bolt.

An operating rod perforation is provided at the rear of the sleeve connecting rod.

Beneficial effects: Compared with the prior art, the utility model has the remarkable advantages that the utility model adopts the first thread and the second thread to ensure that the tapping work is concentric with the tank mouth and does not deviate during the process, and the detachable blade adopts Made of alloy steel, high hardness, not easy to wear, can be used in both directions, easy to disassemble and replace, using the first thread slope and the second thread slope, so that the guide head and the tool mounting seat are closely connected, and by setting the positioning block and positioning groove, To further improve the positioning effect, the sleeve connecting rod is adopted, which is light in weight and convenient to use in various occasions. The connecting wrench is used to reduce the force on special occasions and the tank mouth with large problems, and it is easy to operate. The overall size of the device is small and light in weight. The manufacturing cost is low, the service life is long, and the actual use requirements are met.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the installation structure of the detachable blade described in the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of the guide head described in the utility model;

Fig. 4 is a schematic cross-sectional structure diagram of the tool mounting seat in the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a combined thread tapping described in the utility model includes a guide head 1, and the guide head 1 is composed of a smooth section 2 and a threaded section 3, so that The thread on the threaded section 3 is the first thread 4, and the end of the guide head 1 on the side of the threaded section 3 is provided with a tool mounting seat 5, and a blade mounting groove 6 is provided on the tool mounting seat 5. One side of the blade mounting groove 6 is provided with a detachable blade 7, and one end of the tool mounting seat 5 is provided with a sleeve connection end 8, and the sleeve connection end 8 and the tool mounting seat 5 are integrally formed. A sleeve connection rod 9 is provided on one side of the sleeve connection end 8, and a connection wrench 10 is provided on one side of the sleeve connection rod 9, and the guide head 1 and the tool mounting seat 5 are connected by a fixing bolt 11 on the center line. fixed, a second thread 12 is provided on the tool mounting seat 5 between the blade mounting grooves 6, the outer diameters of the first thread 4 and the second thread 12 are the same, and the cutting outer end of the detachable blade 7 Higher than the outer ends of the first thread 4 and the second thread 12, the end surface of the guide head 1 on the side of the thread segment 3 is a first thread slope 13, and the end surface of the tool mounting seat 5 on the side connected to the guide head 1 The end face is a second thread bevel 14, and the first thread bevel 13 and the second thread bevel 14 are matched and connected; a positioning groove 15 is provided in the middle of the first thread bevel 13; Positioning block 16, described positioning block 16 is matched with positioning groove 15 and is connected; On described cutter mount 5, be evenly provided with six blade mounting grooves 6; Described blade mounting groove 6 is provided with connecting hole 17, and A connecting bolt 18 is provided in the connecting hole 17, and the detachable blade 7 is fixedly connected with the tool mounting seat 5 through a connecting bolt 19; an operating rod through hole 20 is provided at the rear of the sleeve connecting rod 9. The utility model adopts the first thread and the second thread to ensure that the tapping work is concentric with the tank mouth and does not deviate during the process. The detachable blade is made of alloy steel, which has high hardness and is not easy to wear. It can be used in both directions and is easy to disassemble. Replacement, using the first thread bevel and the second thread bevel, so that the guide head and the tool mounting seat are closely connected, and the positioning block and the positioning groove are set to further improve the positioning effect, and the sleeve connecting rod is used, which is light in weight and convenient for various occasions Use, using a connecting wrench, can reduce force on special occasions and large problem tank mouths, and is easy to operate. The overall device is small in size, light in weight, low in manufacturing cost, and long in service life, meeting the actual use requirements.

The utility model provides a kind of train of thought and method, and there are many methods and approaches for realizing the technical solution. The above description is only a preferred embodiment of the utility model. It should be pointed out that for those of ordinary skill in the art, Under the premise of not departing from the principle of the utility model, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the utility model, and each component that is not clear in the present embodiment can be improved by the prior art. accomplish.

Claims (6)

1. A combined screw tap is characterized in that: it comprises a guide head (1), and the guide head (1) is made up of a smooth section (2) and a threaded section (3), and on the threaded section (3) The thread is the first thread (4), and the end of the guide head (1) on the side of the thread segment (3) is provided with a tool mounting seat (5), and a blade is provided on the tool mounting seat (5) Mounting slot (6), a detachable blade (7) is provided on one side of the blade mounting slot (6), and a sleeve connection end (8) is provided at one end of the tool mounting seat (5), the sleeve The sleeve connection end (8) and the tool mounting seat (5) are integrally formed, a sleeve connection rod (9) is provided on the side of the sleeve connection end (8), and a sleeve connection rod (9) is provided on the side of the sleeve connection rod (9) A connection wrench (10) is provided, the guide head (1) and the tool mounting seat (5) are connected and fixed on the center line by a fixing bolt (11), and the tool mounting seat between the blade mounting grooves (6) (5) is provided with a second thread (12), the first thread (4) and the second thread (12) have the same outer diameter, and the cutting outer end of the removable blade (7) is higher than the first thread (4) and the outer end of the second thread (12), the end face of the guide head (1) on the side of the threaded section (3) is the first thread slope (13), which is connected to the guide head (1) The end surface of the tool mounting seat (5) on the side is a second thread bevel (14), and the first thread bevel (13) and the second thread bevel (14) are matched and connected. 2. The combined screw tap according to claim 1, characterized in that a positioning groove (15) is provided in the middle of the first thread bevel (13). 3. The combined screw tap according to claim 2, characterized in that: a positioning block (16) is provided in the middle of the second thread slope (14), and the positioning block (16) and the positioning groove (15) Match connection. 4. The combined thread tapping according to claim 1, characterized in that six blade mounting grooves (6) are uniformly provided on the tool mounting seat (5). 5. The combined screw tap according to claim 1, characterized in that: a connection hole (17) is provided on the blade mounting groove (6), and a connection bolt (17) is provided in the connection hole (17) 18), the detachable blade (7) is fixedly connected to the tool mounting seat (5) through a connecting bolt (19). 6. The combined thread tapping according to claim 1, characterized in that: an operating rod perforation (20) is provided at the rear of the sleeve connecting rod (9).