CN113084273A - Adjustable electric tapping tool for internal and external threads of pipe - Google Patents
Adjustable electric tapping tool for internal and external threads of pipe Download PDFInfo
- Publication number
- CN113084273A CN113084273A CN202110409435.1A CN202110409435A CN113084273A CN 113084273 A CN113084273 A CN 113084273A CN 202110409435 A CN202110409435 A CN 202110409435A CN 113084273 A CN113084273 A CN 113084273A
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- Prior art keywords
- tapping
- ring
- internal
- external
- thread
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/52—Equipment or accessories specially designed for machines or devices for thread cutting for operating on pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an adjustable electric tapping tool for internal and external threads of a pipe, which comprises a positioning assembly and a tapping assembly, wherein the positioning assembly comprises an outer collar; the positioning assembly is provided with a power mechanism responsible for power input, a clamping mechanism responsible for clamping and fixing and a spring mechanism responsible for pushing the tapping assembly; the tapping component comprises an external thread tapping mechanism responsible for tapping external threads and an internal thread tapping mechanism responsible for tapping internal threads; the outer sleeve ring is provided with a lower open cavity with a downward opening to accommodate the tapping assembly, and the device is simple in structure and low in manufacturing difficulty and manufacturing cost; the device has simple principle and clear structure, and is convenient for later maintenance; the device is simple to operate, visible and sensible in fixation and adjustment, and high in fault tolerance rate; the gap between the tapping cutters in the device is large, and chip removal is not needed.
Description
Technical Field
The invention relates to an electric tool, in particular to an adjustable electric tapping tool for internal and external threads of a pipe.
Background
Tapping, namely screwing a screw tap into a bottom hole to be drilled by using a certain torque to process an internal thread, which is a common thread processing mode;
at present, most of conventional thread machining methods except numerical control machining cannot freely change the size data of threads, and the machining of threads with corresponding diameters requires replacing props with corresponding sizes, so that the use flexibility of tools and the machining efficiency are reduced.
Therefore, in order to solve the above problems, there is a need for a novel electric tapping tool capable of adjusting the size of the tapped diameter of tapping internal threads or external threads simultaneously or separately.
Disclosure of Invention
In view of the above, the present invention provides an adjustable electric tapping tool for tapping internal and external threads of a pipe, which can tap internal threads or external threads simultaneously or separately, and the tapping diameter size can be adjusted.
An adjustable electric tapping tool for internal and external threads of a pipe comprises a positioning assembly and a tapping assembly, wherein the positioning assembly comprises an outer sleeve ring; the positioning assembly is provided with a power mechanism responsible for power input, a clamping mechanism responsible for clamping and fixing and a spring mechanism responsible for pushing the tapping assembly; the tapping component comprises an external thread tapping mechanism responsible for tapping external threads and an internal thread tapping mechanism responsible for tapping internal threads; be equipped with the downward lower chamber of opening in the overcoat ring in order to hold the tapping subassembly, be provided with sliding connection in the external screw thread tapping mechanism and attack the sword in the external screw thread tapping mechanism, it has the inclined plane ring still to thread connection in the external screw thread tapping mechanism, the inclined plane ring is down more drawn in for the internal diameter of ring structure and bottom, can control the regulation through rotatory regulation inclined plane ring the degree of stretching out of external screw thread tapping sword, simultaneously in the internal screw thread tapping mechanism the internal screw thread tapping sword also is similar structure, through adjusting the internal screw thread tapping sword with the degree of stretching out of external screw thread tapping sword is in order to realize the adaptation of treating tapping tubular product to different thicknesses and wall thickness.
Further, the internal thread tapping mechanism in the tapping component comprises an internal tapping rod, splines are arranged on the surface of the upper portion of the internal tapping rod, a conical head cavity and two inner left and right openings which are positioned on the left and right sides of the conical head cavity are arranged on the lower side, provided with the internal tapping rod, of the internal tapping rod, an internal thread tapping knife is connected in the inner left and right openings in a sliding mode, one end, far away from the circle center, of the internal thread tapping knife can extend out of the inner left and right openings, a cutting edge is arranged at one end, far away from the circle center, of the internal thread tapping knife and is used for tapping internal threads, a protruding structure is arranged at one end, close to the circle center, of the internal thread tapping knife, an internal knife spring is fixedly connected between the protruding portion and the corresponding cavity wall of the inner left and right openings, a conical head is connected in the conical head cavity in a sliding mode, the conical head is of a, also fixedly connected with on the chamber wall around the awl head chamber with sliding tray complex slip arch is in order to restrict the awl head is in rotation in the awl head chamber, attack still to be equipped with the circular shape regulating wheel chamber in the suitable position on the lead screw in, it is connected with the regulating wheel chamber to rotate in the regulating wheel chamber, the upper end fixedly connected with adjusting screw rod of awl head just adjusting screw rod passes and corresponds attack in the lead screw rod stretch into to in the regulating wheel chamber and with the regulating wheel chamber constitutes threaded connection, wherein adjusting screw rod with attack in for sliding connection between the lead screw, attack in also the lead screw in the right side suitable position of the level position in regulating wheel chamber is equipped with the regulation opening in order to expose the part in regulating wheel chamber is in order to make things convenient for manual regulation.
Further, the external thread tapping mechanism in the tapping component comprises a connecting plate fixedly connected with an outer ring with a proper height of the inner tapping rod, an annular outer tapping ring is fixedly connected onto the connecting plate, three sections are structurally arranged from top to bottom, the diameter of the outer ring of each section is sequentially reduced, the inner diameter of the outer ring is unchanged, a left outer opening, a right outer opening, an external thread tapping knife are arranged at proper positions on one end with the minimum diameter of the lower side of the outer tapping ring, the outer openings are connected with the outer openings in a sliding mode, the external thread tapping knife can extend inwards close to the right side of the circle center through the outer openings, a cutting edge for tapping external threads is arranged at one end of the external thread tapping knife close to the circle center, a bulge is arranged at one side of the external thread tapping knife, and an outer knife spring is fixedly connected between the, the middle end surface of the outer tapping ring is provided with an upper external thread and a bevel ring, the inner ring of the upper side part of the bevel ring is provided with an internal thread matched with the upper external thread, and the lower side part of the bevel ring is provided with a bevel structure matched with one end of the external thread tapping knife far away from the circle center in a contact manner.
Further, on the locating component spring mechanism, spring mechanism includes that fixed connection is locked the feed spring of suitable position on the dead upper chamber wall just feed spring's lower extreme fixedly connected with thrust bearing, be equipped with in the lower chamber upper chamber wall and pass the hole and be used for letting of upper and lower open-ended in the lower chamber the interior lead screw of attacking passes, just the chamber wall that passes with the surface of interior lead screw of attacking is contactless.
Further, the power mechanism is arranged in the positioning assembly and comprises a transmission cavity arranged at the upper side part of the outer collar and a motor fixedly connected with the inner side of the lower cavity wall of the left side part of the transmission cavity, the motor is connected with a motor shaft, the motor shaft penetrates through the transmission cavity correspondingly and is fixedly connected with a motor gear in the transmission cavity, a spline gear is rotatably connected with the motor shaft and is meshed with the motor gear, and a hole is formed in the middle of the spline gear and can be connected with the inner tapping screw rod in a spline mode.
Further, on the locating component clamping mechanism, clamping mechanism is including setting up open four articulated chambeies of evenly arranging on the chamber wall of chamber lower extreme opening part chamber down, just all rotate between the chamber wall around the articulated chamber and be connected with the articulated shaft just it is connected with bent plate to rotate on the articulated shaft, the lower extreme fixedly connected with surface of bent plate replaces the holding ring of certain elasticity and friction material, outer side part outer lane is equipped with down the external screw thread just be equipped with on the outer collar outer screw thread department installs extrusion ring just down the extrusion ring inner circle be equipped with down the internal thread with external screw-thread fit down, the structure of extrusion ring lower extreme is inside arch.
The invention has the beneficial effects that: the technical scheme provides an electric tapping tool which can simultaneously or respectively tap internal threads or external threads and can adjust the diameter and the size of tapped threads; the device has simple structure, low manufacturing difficulty and low manufacturing cost; the device has simple principle and clear structure, and is convenient for later maintenance; the device is simple to operate, visible and sensible in fixation and adjustment, and high in fault tolerance rate; the gap between the tapping cutters in the tapping device is large, chip removal is not needed, tapping work is carried out in the tapping device, the cutters and the like are not exposed, chips are not splashed, and the safety of operation is greatly improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the apparatus;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of the structure of FIG. 3 at C;
FIG. 5 is an enlarged view of the structure of FIG. 1 at D;
FIG. 6 is a schematic cross-sectional view at E-E in FIG. 1;
FIG. 7 is an enlarged view of the structure of FIG. 6 at F;
FIG. 8 is a schematic partial cross-sectional view of the inner tap pin of FIG. 1, i.e., a portion thereof;
FIG. 9 is an enlarged view of the structure of FIG. 8 at G;
FIG. 10 is an enlarged schematic view of the structure at H in FIG. 8;
FIG. 11 is a schematic structural view of the cone head of FIG. 3;
fig. 12 is a schematic structural diagram of the positioning assembly in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-12, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
An adjustable electric tapping tool for internal and external threads of pipes as described in connection with figures 1-12, comprising a positioning assembly 49 and a tapping assembly 50, said positioning assembly 49 comprising an outer collar 11; the positioning assembly 49 is provided with a power mechanism 51 responsible for power input, a clamping mechanism 52 responsible for clamping and fixing, and a spring mechanism 53 responsible for pushing the tapping assembly 50; the tapping assembly 50 comprises an external thread tapping mechanism 54 responsible for tapping external threads and an internal thread tapping mechanism 55 responsible for tapping internal threads; the outer collar 11 is provided with a downward-opened lower open cavity 12 for accommodating the tapping assembly 50, the external thread tapping mechanism 54 is provided with an external thread tapping knife 47 slidably connected in the external thread tapping mechanism 54, the external thread tapping mechanism 54 is further in threaded connection with a bevel ring 43, the bevel ring 43 is in a circular ring structure, the inner diameter of the bottom part of the bevel ring is gradually reduced downwards, the extension degree of the external thread tapping knife 47 can be controlled and adjusted by rotating the bevel ring 43, meanwhile, the internal thread tapping knife 37 in the internal thread tapping mechanism 55 is also in a similar structure, and the adaptation to pipes 39 to be tapped with different thicknesses and wall thicknesses can be realized by adjusting the extension degrees of the internal thread tapping knife 37 and the external thread tapping knife 47; the technical scheme provides an electric tapping tool which can simultaneously or respectively tap internal threads or external threads and can adjust the diameter and the size of tapped threads; the device has simple structure, low manufacturing difficulty and low manufacturing cost; the device has simple principle and clear structure, and is convenient for later maintenance; the device is simple to operate, visible and sensible in fixation and adjustment, and high in fault tolerance rate; the gap between the tapping cutters in the tapping device is large, chip removal is not needed, tapping work is carried out in the tapping device, the cutters and the like are not exposed, chips are not splashed, and the safety of operation is greatly improved.
In this embodiment, the internal thread tapping mechanism 55 in the tapping assembly 50, the internal thread tapping mechanism 55 includes an inner tapping rod 25, the surface of the upper side part of the inner tapping rod 25 is provided with splines, the lower side of the inner tapping rod 25 in the inner tapping rod 25 is provided with a cone cavity 32 and two inner left and right openings 36 located at the left and right sides of the cone cavity 32, the inner left and right openings 36 are all connected with an internal thread tapping knife 37 in a sliding manner, one end of the internal thread tapping knife 37 far away from the center of a circle can extend out from the inner left and right openings 36, one end of the internal thread tapping knife 37 far away from the center of a circle is provided with a cutting edge for tapping internal threads, one end of the internal thread tapping knife 37 near the center of a circle is provided with a protrusion structure, and the protrusion and an inner knife spring 38 fixedly connected between the corresponding cavity walls of the inner left and right openings 36, the cone cavity 32 is connected with a cone 33 in a sliding manner, and, sliding grooves 34 are respectively arranged at the front side and the rear side of the conical head 33, sliding protrusions 35 matched with the sliding grooves 34 are also fixedly connected to the front cavity wall and the rear cavity wall of the conical head cavity 32 to limit the conical head 33 to rotate in the conical head cavity 32, a round adjusting wheel cavity 28 is arranged in a proper position on the inner tapping rod 25, an adjusting wheel cavity 30 is rotatably connected in the adjusting wheel cavity 28, the upper end of the conical head 33 is fixedly connected with an adjusting threaded rod 31, the adjusting threaded rod 31 penetrates through the corresponding inner tapping rod 25 to extend into the adjusting wheel cavity 28 and form threaded connection with the adjusting wheel cavity 30, the adjusting threaded rod 31 is in sliding connection with the inner tapping rod 25, and the inner tapping rod 25 is also provided with an adjusting opening 29 at a proper position on the right side of the flush position of the adjusting wheel cavity 28 so as to expose a part of the adjusting wheel cavity 30 for facilitating manual adjustment; through adjust opening 29 can manual stir adjust wheel chamber 30 and through the rotatory regulation in adjust wheel chamber 30 the height of adjusting threaded rod 31 to the drive changes the height of awl head 33, when awl head 33 rises, internal thread tapping sword 37 receives the interior resilience of interior sword spring 38 is retracted thereby dwindles the internal thread's of tapping major diameter, when awl head 33 reduces, internal thread tapping sword 37 receives the extrusion of awl head 33 is followed stretch out in interior left and right sides opening 36, thereby increase the internal thread's of tapping major diameter.
In this embodiment, the external thread tapping mechanism 54 in the tapping assembly 50, the external thread tapping mechanism 54 includes a connecting plate 40 fixedly connected to an outer ring of the inner tapping rod 25 with a proper height, an annular outer tapping ring 41 is fixedly connected to the connecting plate 40, three sections of the structure are arranged from top to bottom, the diameter of each section of the outer ring is sequentially reduced, the inner diameter of each section of the outer ring is unchanged, a left outer left opening 46 and a right outer left opening 46 are arranged at proper positions on one end of the minimum diameter of the lower side of the outer tapping ring 41, external thread tapping knives 47 are slidably connected to the left outer opening 46, the right side of the external thread tapping knives 47 close to the center of the circle can extend inwards through the left outer opening 46, cutting edges for tapping external threads are arranged at one ends of the external thread tapping knives 47 close to the center of the circle, a protrusion is arranged at one side of the external thread tapping knives 47 far away from the center of the circle, and an, an upper external thread 42 is arranged on the surface of one end of the middle of the outer tapping ring 41, an inclined plane ring 43 is installed on the outer thread, an upper internal thread 44 is arranged on the inner ring of the upper side part of the inclined plane ring 43 and matched with the upper external thread 42, an inclined plane structure 45 is arranged on the lower side part of the inclined plane ring 43, and the inclined plane structure 45 is in contact fit with one end, far away from the circle center, of the external thread tapping knife 47; the height of the inclined plane ring 43 can be adjusted by manually rotating the inclined plane ring 43, when the inclined plane ring 43 rises, the inclined plane structure 45 contacts with the external thread tapping knife 47 and presses the external thread tapping knife 47 inwards, so that the external thread tapping knife 47 moves inwards to reduce the small diameter of the tapped external thread, and when the inclined plane ring 43 moves downwards, the external knife spring 48 expands to enable the external thread tapping knife 47 to lean away from the circle center side, so that the small diameter of the tapped external thread is increased.
In this embodiment, the spring mechanism 53 on the positioning assembly 49, the spring mechanism 53 includes a feeding spring 26 fixedly connected to a proper position on the locked upper cavity wall, and a thrust bearing 27 is fixedly connected to a lower end of the feeding spring 26, a through hole 56 with an upper opening and a lower opening is arranged in the upper cavity wall of the lower open cavity 12 for the inner tapping rod 25 to pass through, and the cavity wall passing through the hole 56 is not in contact with the surface of the inner tapping rod 25.
In this embodiment, the power mechanism 51 disposed in the positioning assembly 49, the power mechanism 51 includes a transmission cavity 20 disposed at an upper portion of the outer collar 11, a motor 21 is fixedly connected in a lower cavity wall at a left portion of the transmission cavity 20, the motor 21 is dynamically connected to a motor shaft 22, the motor shaft 22 passes through the transmission cavity 20 and is fixedly connected to a motor gear 23 in the transmission cavity 20, a spline gear 24 is further rotatably connected in the motor shaft 22, and the spline gear 24 is engaged with the motor gear 23, wherein a hole is disposed in the middle of the spline gear 24, and the hole and the inner tapping screw 25 form a spline connection.
In this embodiment, the clamping mechanism 52 on the positioning assembly 49, the clamping mechanism 52 includes four hinge cavities 16 uniformly arranged on a cavity wall at a lower end opening of the lower open cavity 12, and a hinge shaft 17 is rotatably connected between front and rear cavity walls of the hinge cavities 16 and a curved plate 18 is rotatably connected on the hinge shaft 17, a fastening ring 19 with a surface made of certain elastic and friction materials is fixedly connected at a lower end of the curved plate 18, a lower external thread 13 is arranged on an outer ring of a lower portion of the outer collar 11, a pressing ring 14 is arranged on the outer collar 11 and provided with a lower external thread 13, a lower internal thread 15 is arranged on an inner ring of the pressing ring 14 and matched with the lower external thread 13, and a lower end of the pressing ring 14 is configured as an inward protrusion; by rotating the extrusion ring 14 to adjust the height of the extrusion ring 14, the extrusion ring 14 can press the curved plate 18 inwards to clamp the curved plate 18 for fixation.
In the present embodiment, when the tapping device is to be used, the tapping diameter of the external threading mechanism 54 and the internal threading mechanism 55 is adjusted by manually rotating the adjusting wheel cavity 30 and the bevel ring 43, then the tapping assembly 50 is installed in the lower open cavity 12, the internal tapping rod 25 passes through the through hole 56 and forms a spline connection with the spline gear 24, the pipe 39 to be tapped is inserted from bottom to top and presses the tapping assembly 50 to move upwards, the external tapping ring 41 and the connecting plate 40 press the thrust bearing 27 to lift up, thereby compressing the feed spring 26, the clamping mechanism 52 clamps the pipe 39 to be tapped by screwing the pressing ring 14 to be fixed, at this time, the motor 21 is started, the motor shaft 22 rotates to drive the spline gear 24 through the motor gear 23 to make the spline gear 24 drive the internal tapping rod 25 to rotate, the internal tapping rod 25 drives the external thread tapping mechanism 54 and the internal thread tapping mechanism 55 to rotate, the external thread tapping knife 47 or the internal thread tapping knife 37 taps on the outer wall or the inside of the pipe 39 to be tapped after rotating, and the tapping assembly 50 gradually moves downwards under the pressure of the feed spring 26, so that tapping is performed downwards.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. The utility model provides an electronic tapping tool of external screw thread in pipe with adjustable, includes two parts of locating component and tapping subassembly, its characterized in that: the positioning assembly comprises an outer collar; the positioning assembly is provided with a power mechanism responsible for power input, a clamping mechanism responsible for clamping and fixing and a spring mechanism responsible for pushing the tapping assembly; the tapping component comprises an external thread tapping mechanism responsible for tapping external threads and an internal thread tapping mechanism responsible for tapping internal threads; be equipped with the downward lower chamber of opening in the overcoat ring in order to hold the tapping subassembly, be provided with sliding connection in the external screw thread tapping mechanism and attack the sword in the external screw thread tapping mechanism, it has the inclined plane ring still to thread connection in the external screw thread tapping mechanism, the inclined plane ring is down more drawn in for the internal diameter of ring structure and bottom, can control the regulation through rotatory regulation inclined plane ring the degree of stretching out of external screw thread tapping sword, simultaneously in the internal screw thread tapping mechanism the internal screw thread tapping sword also is similar structure, through adjusting the internal screw thread tapping sword with the degree of stretching out of external screw thread tapping sword is in order to realize the adaptation of treating tapping tubular product to different thicknesses and wall thickness.
2. The power tapping tool of claim 1 wherein: the internal thread tapping mechanism in the tapping assembly comprises an internal tapping rod, splines are arranged on the surface of the upper portion of the internal tapping rod, a conical cavity and two inner left and right openings which are positioned on the left and right sides of the conical cavity are arranged on the lower side, provided with the internal tapping rod, of the internal tapping rod, internal thread tapping knives are connected in the inner left and right openings in a sliding mode, one ends, far away from the circle center, of the internal thread tapping knives can extend out of the inner left and right openings, cutting edges are arranged at the ends, far away from the circle center, of the internal thread tapping knives for tapping internal threads, a protruding structure is arranged at one ends, close to the circle center, of the internal thread tapping knives, an internal knife spring is fixedly connected between the protruding portion and the corresponding cavity wall of the inner left and right openings, conical heads are connected in the conical cavity in a sliding mode and are of sub-bullet structures and are downward pointed ends, sliding grooves, also fixedly connected with on the chamber wall around the awl head chamber with sliding tray complex slip arch is in order to restrict the awl head is in rotation in the awl head chamber, attack still to be equipped with the circular shape regulating wheel chamber in the suitable position on the lead screw in, it is connected with the regulating wheel chamber to rotate in the regulating wheel chamber, the upper end fixedly connected with adjusting screw rod of awl head just adjusting screw rod passes and corresponds attack in the lead screw rod stretch into to in the regulating wheel chamber and with the regulating wheel chamber constitutes threaded connection, wherein adjusting screw rod with attack in for sliding connection between the lead screw, attack in also the lead screw in the right side suitable position of the level position in regulating wheel chamber is equipped with the regulation opening in order to expose the part in regulating wheel chamber is in order to make things convenient for manual regulation.
3. The power tapping tool of claim 1 wherein: the external thread tapping mechanism in the tapping component comprises a connecting plate fixedly connected with an outer ring with a proper height of the inner tapping rod, an annular outer tapping ring is fixedly connected onto the connecting plate, three sections are structurally arranged from top to bottom, the diameter of the outer ring of each section is sequentially reduced, the inner diameter of the outer ring is unchanged, a left outer opening and a right outer opening are arranged at proper positions on one end with the minimum diameter of the lower side of the outer tapping ring, an external thread tapping knife is slidably connected into each outer opening, the right side of the external thread tapping knife close to the circle center of a circle can extend inwards through the outer left opening and the outer right opening, a cutting edge for tapping external threads is arranged at one end of the external thread tapping knife close to the circle center of the circle, a bulge is arranged at one side of the external thread tapping knife far away from the circle center, and an outer knife spring is fixedly connected, the middle end surface of the outer tapping ring is provided with an upper external thread and a bevel ring, the inner ring of the upper side part of the bevel ring is provided with an internal thread matched with the upper external thread, and the lower side part of the bevel ring is provided with a bevel structure matched with one end of the external thread tapping knife far away from the circle center in a contact manner.
4. The power tapping tool of claim 1 wherein: on the locating component spring mechanism, spring mechanism includes that fixed connection is locked the feed spring of suitable position on the dead upper chamber wall just feed spring's lower extreme fixedly connected with thrust bearing, be equipped with in the upper chamber wall of lower chamber and go up the under shed and pass the hole and be used for letting in attack the lead screw and pass, just the chamber wall that passes the hole with the surface contactless of interior attack lead screw.
5. The power tapping tool of claim 1 wherein: the power mechanism is arranged in the positioning assembly and comprises a transmission cavity arranged at the upper side part of the outer collar and a motor fixedly connected with the inner side of the lower cavity wall of the left side part of the transmission cavity, the motor is connected with a motor shaft, the motor shaft penetrates through the transmission cavity correspondingly and is fixedly connected with a motor gear in the transmission cavity, a spline gear is further rotatably connected with the motor shaft and is meshed with the motor gear, and a hole is formed in the middle of the spline gear and can be connected with the inner tapping screw rod in a spline mode.
6. The power tapping tool of claim 1 wherein: on the locating component clamping mechanism, clamping mechanism is including setting up open four articulated chambeies of evenly arranging on the chamber wall of chamber lower extreme opening part chamber down, just all rotate between the chamber wall around the articulated chamber and be connected with the articulated shaft just it is connected with bent plate to rotate on the articulated shaft, the lower extreme fixedly connected with surface of bent plate replaces the holding ring of certain elasticity and friction material, external screw thread just under the outer lantern ring is equipped with down just on the lantern ring be equipped with external screw thread department down install extrusion ring just extrusion ring inner circle be equipped with down the internal thread with external screw-thread fit down, the structure of extrusion ring lower extreme is inside arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409435.1A CN113084273A (en) | 2021-04-16 | 2021-04-16 | Adjustable electric tapping tool for internal and external threads of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110409435.1A CN113084273A (en) | 2021-04-16 | 2021-04-16 | Adjustable electric tapping tool for internal and external threads of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113084273A true CN113084273A (en) | 2021-07-09 |
Family
ID=76678123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110409435.1A Withdrawn CN113084273A (en) | 2021-04-16 | 2021-04-16 | Adjustable electric tapping tool for internal and external threads of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113084273A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289801A (en) * | 2022-01-19 | 2022-04-08 | 因特威流体技术(嘉兴)有限公司 | Thread machining equipment and method for high-flow hydraulic quick connector |
-
2021
- 2021-04-16 CN CN202110409435.1A patent/CN113084273A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289801A (en) * | 2022-01-19 | 2022-04-08 | 因特威流体技术(嘉兴)有限公司 | Thread machining equipment and method for high-flow hydraulic quick connector |
| CN114289801B (en) * | 2022-01-19 | 2022-08-19 | 因特威流体技术(嘉兴)有限公司 | Thread machining equipment and method for high-flow hydraulic quick connector |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210709 |
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| WW01 | Invention patent application withdrawn after publication |