CN113560680B - Threading machine die head assembly capable of automatically retracting cutter - Google Patents
Threading machine die head assembly capable of automatically retracting cutter Download PDFInfo
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- CN113560680B CN113560680B CN202110876621.6A CN202110876621A CN113560680B CN 113560680 B CN113560680 B CN 113560680B CN 202110876621 A CN202110876621 A CN 202110876621A CN 113560680 B CN113560680 B CN 113560680B
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- fixing plate
- elastic
- die head
- sliding
- ring
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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
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/08—Thread-cutting tools; Die-heads with means for adjustment
- B23G5/10—Die-heads
- B23G5/12—Die-heads self-releasing
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- Mechanical Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a threading machine die head assembly with automatic tool withdrawal, which comprises a circular ring, a fixing ring fixed on the circular ring through four connecting columns, and four drawing rods, wherein the four drawing rods are arranged, four through grooves are formed in the side part of the circular ring at equal intervals along the circumference, the drawing rods are arranged in the through grooves in a sliding manner, the tail ends of the four drawing rods are respectively provided with an elastic mechanism for mounting a tool, when in use, the drawing rods are pushed towards the center of the circular ring, so that the cutting knife is in contact with a pipe to be processed, a certain extrusion force is formed between the cutting knife and the outer wall of the pipe, then, the elastic mechanism drives a sliding locking mechanism to move, the sliding locking mechanism limits the drawing rods, the sliding locking mechanism keeps the drawing rods in a stable state, and therefore, the die head is convenient and rapid to use, complex fixed operation flow is not needed, the structure is stable, and the device is suitable for popularization and application.
Description
Technical Field
The invention relates to the technical field of threading machines, in particular to a threading machine die head assembly capable of automatically retracting a cutter.
Background
The threading machine is also called an electric threading machine, an electric pipe cutting threading machine, a wire twisting machine and a pipe thread threading machine. It is a machine specially used for making pipe screw thread. The pipe thread is cut by dies mounted on the die plate of the threading machine so that the specification of the die of the threading machine determines the specification of the pipe thread.
The threading machine die head in the prior art is complex in assembly operation process, poor in use effect and poor in structural stability in the use process, so that the processing work is not easy to develop, and the ideal effect cannot be achieved in actual use.
Disclosure of Invention
The invention aims to provide a threading machine die head assembly capable of automatically retracting a cutter, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic move back mantle fiber machine die head assembly of sword, the mantle fiber machine die head assembly of automatic moving back sword includes the ring, fixes through four spliced poles solid fixed ring on the ring, solid fixed ring with the central axis coincidence of ring, the mantle fiber machine die head assembly of automatic moving back sword still includes:
the four drawing rods are arranged, four through grooves are formed in the side portion of the circular ring at equal intervals along the circumference, the drawing rods are slidably arranged in the through grooves, and the tail ends of the four drawing rods are provided with elastic mechanisms for mounting cutters;
eight groups of sliding locking mechanisms are arranged, and every two groups of sliding locking mechanisms are connected with the elastic mechanism and used for limiting the drawing rod;
as a further scheme of the invention: the elastic mechanism comprises an elastic force application structure arranged at the tail end of the pull rod and a guide structure used for limiting the movement of the elastic force application structure;
the guide structure comprises a sleeve shaft fixed at the bottom of the first fixing plate and a telescopic shaft fixed on the second fixing plate and sleeved with the sleeve shaft in a sliding manner.
As a still further scheme of the invention: the sliding locking mechanism comprises a sliding structure which is arranged on the inner wall of the circular ring and connected with the first fixing plate and an elastic locking assembly which is arranged between the circular ring and the fixing ring;
the sliding structure comprises a sliding groove formed in the inner wall of the circular ring, a sliding column embedded in the sliding groove in a sliding mode, and a connecting rod connected with the sliding column and the first fixing plate, and two ends of the connecting rod are hinged to the first fixing plate and the sliding column respectively.
As a still further scheme of the invention: the elastic locking assembly comprises a movable pipe fixed on the sliding column, a spring arranged on the bottom wall of the movable pipe and an elastic shaft arranged in the movable pipe in a sliding manner;
the end, located inside the movable tube, of the elastic shaft is connected with the spring, a plurality of through holes matched with the elastic shaft are formed in the fixing ring along the circumference, and a guide groove for the movable tube to move is formed in the circular ring.
As a still further scheme of the invention: one end of the elastic shaft, which is positioned outside the movable pipe, is also provided with a deep hole, and a rolling ball is arranged in the deep hole in a rolling manner.
Compared with the prior art, the invention has the beneficial effects that: the die head is novel in design, when the die head is used, the drawing rod is pushed towards the center of the circular ring, the cutter is in contact with a pipe to be processed, certain extrusion force exists between the cutter and the outer wall of the pipe, then, in the process, the elastic mechanism drives the sliding locking mechanism to move, the sliding locking mechanism limits the drawing rod, and the drawing rod is kept in a stable state, so that the die head is convenient and quick to use, does not need complex fixing operation processes, is stable in structure, and is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a threading machine die head assembly with automatic tool withdrawal.
Fig. 2 is an enlarged view of a structure at a in fig. 1.
FIG. 3 is a schematic view of the internal structure of a movable tube in an embodiment of an automatic retracting threading machine die head assembly.
FIG. 4 is a diagram illustrating the connection between the ring and the retaining ring of an embodiment of an automatic retracting threading machine die head assembly.
FIG. 5 is a left side view of the ring and retaining ring of an embodiment of an automatic retracting threading machine die head assembly.
In the figure: 1-a circular ring; 2-connecting a column; 3, fixing a ring; 4-through groove; 5-a drawing rod; 6-a first fixing plate; 7-a second fixing plate; 8-torsion spring; 9-sleeve shaft; 10-a telescopic shaft; 11-a connecting rod; 12-a strut; 13-a chute; 14-a movable tube; 15-an elastic shaft; 16-a roller ball; 17-a spring; 18-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Referring to fig. 1 to 5, in an embodiment of the present invention, an automatic retracting threading machine die head assembly includes a circular ring 1 and a fixing ring 3 fixed on the circular ring 1 through four connecting posts 2, the fixing ring 3 is overlapped with a central axis of the circular ring 1, and the automatic retracting threading machine die head assembly further includes:
the cutting tool comprises four drawing rods 5, four through grooves 4 are formed in the side portion of the circular ring 1 at equal intervals along the circumference, the drawing rods 5 are slidably arranged in the through grooves 4, and the tail ends of the four drawing rods 5 are provided with elastic mechanisms for mounting cutting tools;
eight groups of sliding locking mechanisms are arranged, and every two groups of sliding locking mechanisms are connected with the elastic mechanism and used for limiting the drawing rod 5.
In the embodiment of the invention, when the device is used, the pull rod 5 is pushed towards the center of the circular ring 1, so that the cutter is contacted with a pipe to be processed, a certain extrusion force exists between the cutter and the outer wall of the pipe, and then, in the process, the elastic mechanism drives the sliding locking mechanism to move, and the sliding locking mechanism limits the pull rod 5 to keep a stable state;
therefore, in conclusion, the die head is convenient and quick to use, does not need complicated fixed operation procedures, is stable in structure and is suitable for popularization and use.
Secondly, as an embodiment of the invention, the elastic mechanism comprises an elastic force application structure arranged at the tail end of the pull rod 5 and a guide structure used for limiting the movement of the elastic force application structure;
the elastic force application structure comprises a first fixing plate 6 fixed at the tail end of the pull rod 5 and a second fixing plate 7 elastically arranged at the bottom of the first fixing plate 6 through two torsion springs 8, the second fixing plate 7 is parallel to the first fixing plate 6, and the first fixing plate 6 is connected with the sliding locking mechanism;
the guide structure comprises a sleeve shaft 9 fixed at the bottom of the first fixing plate 6 and a telescopic shaft 10 fixed on the second fixing plate 7 and slidably sleeved with the sleeve shaft 9.
It should be noted that the sleeve shaft 9 is hollow, and the central axes of the sleeve shaft 9 and the telescopic shaft 10 coincide;
in addition, the cutter is arranged at the bottom of the second fixing plate 7 in use.
In the embodiment of the invention, the drawing rod 5 is pushed towards the center of the circular ring 1, and the torsion spring 8 is compressed after the cutter is contacted with the outer wall of the pipe to be processed, so that a certain extrusion force exists between the cutter and the outer wall of the pipe to be processed, and the effectiveness of final processing is ensured;
in the process that the torsion spring 8 is compressed, the sleeve shaft 9 slides on the telescopic shaft 10, so that the torsion spring 8 is protected to a certain extent, and the phenomenon of dislocation is prevented.
As an embodiment of the present invention, the sliding locking mechanism includes a sliding structure mounted on the inner wall of the circular ring 1 and connected to the first fixing plate 6, and an elastic locking component mounted between the circular ring 1 and the fixing ring 3;
the sliding structure comprises a sliding groove 13 formed in the inner wall of the circular ring 1, a sliding column 12 embedded in the sliding groove 13 in a sliding mode, and a connecting rod 11 connected with the sliding column 12 and the first fixing plate 6, wherein two ends of the connecting rod 11 are hinged to the first fixing plate 6 and the sliding column 12 respectively.
In the embodiment of the invention, when the pull rod 5 slides towards the center of the circular ring 1 in the through groove 4, the first fixing plate 6 drives the sliding column 12 to slide in the sliding groove 13 through the connecting rod 1, so that the sliding column 12 drives the elastic locking component to move, and the pull rod 5 is limited to keep a stable state.
As an embodiment of the present invention, the elastic locking assembly comprises a movable tube 14 fixed on the sliding column 12, a spring 17 arranged on the bottom wall of the movable tube 14, and an elastic shaft 15 slidably arranged in the movable tube 14;
the elastic shaft 15 is arranged at one end inside the movable tube 14 and connected with the spring 17, the fixing ring 3 is circumferentially provided with a plurality of through holes 18 matched with the elastic shaft 15, and the ring 1 is provided with a guide groove for the movement of the movable tube 14.
In the embodiment of the present invention, during the sliding process of the sliding column 12 in the sliding slot 13, the movable tube 14 is driven to make a circular motion on the circular ring 1, when the elastic shaft 15 does not correspond to the position of the through hole 18, the torsion spring 17 is in a compressed state, so that when the elastic shaft 15 reaches the position of the through hole 18, the spring 17 releases the stored elastic potential energy thereof, and the elastic shaft 15 slides towards the outside of the movable tube 14 and penetrates through the through hole 18, so that the pull rod 5 is fixed.
As an embodiment of the present invention, a deep hole is further opened on one end of the elastic shaft 15 outside the movable tube 14, and a rolling ball 16 is arranged in the deep hole in a rolling manner.
In the embodiment of the present invention, during the movement of the elastic shaft 15 which does not correspond to the position of the through hole 18, the rolling ball 16 will roll on the fixed ring 3, so that the friction between the elastic shaft 15 and the fixed ring 3 is reduced, which is beneficial to the normal movement of the movable tube 14.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an automatic mantle fiber machine die head assembly that moves back sword, the mantle fiber machine die head assembly that moves back sword includes ring (1), fixes through four spliced poles (2) solid fixed ring (3) on ring (1), solid fixed ring (3) with the central axis coincidence of ring (1), its characterized in that, the mantle fiber machine die head assembly that moves back sword automatically still includes:
the cutting tool comprises four drawing rods (5), four drawing rods (5) are arranged, four through grooves (4) are formed in the side portion of the circular ring (1) at equal intervals along the circumference, the drawing rods (5) are slidably arranged in the through grooves (4), and the tail ends of the four drawing rods (5) are provided with elastic mechanisms for mounting cutting tools;
eight groups of sliding locking mechanisms are arranged, and every two groups of sliding locking mechanisms are connected with the elastic mechanism and used for limiting the drawing rod (5);
the elastic mechanism comprises an elastic force application structure arranged at the tail end of the drawing rod (5) and a guide structure used for limiting the movement of the elastic force application structure;
the elastic force application structure comprises a first fixing plate (6) fixed at the tail end of the pull rod (5) and a second fixing plate (7) elastically arranged at the bottom of the first fixing plate (6) through two torsion springs (8), the second fixing plate (7) is parallel to the first fixing plate (6), and the first fixing plate (6) is connected with the sliding locking mechanism;
the sliding locking mechanism comprises a sliding structure which is arranged on the inner wall of the circular ring (1) and connected with the first fixing plate (6) and an elastic locking assembly which is arranged between the circular ring (1) and the fixing ring (3).
2. The threading machine die head assembly of the automatic withdrawing cutter is characterized in that the guide structure comprises a sleeve shaft (9) fixed at the bottom of the first fixing plate (6) and a telescopic shaft (10) fixed on the second fixing plate (7) and slidably sleeved with the sleeve shaft (9).
3. The threading machine die head assembly of claim 1, wherein the sliding structure comprises a sliding groove (13) formed on the inner wall of the circular ring (1), a sliding column (12) slidably embedded in the sliding groove (13), and a connecting rod (11) connecting the sliding column (12) and the first fixing plate (6), and two ends of the connecting rod (11) are respectively hinged with the first fixing plate (6) and the sliding column (12).
4. The threading machine die head assembly of claim 3 wherein the elastic locking assembly comprises a movable tube (14) fixed on the sliding column (12), a spring (17) arranged on the bottom wall of the movable tube (14) and an elastic shaft (15) slidably arranged in the movable tube (14);
elastic shaft (15) are in the inside one end of activity pipe (14) with spring (17) are connected, just gu set up on fixed ring (3) along the circumference a plurality of with through-hole (18) of elastic shaft (15) looks adaptation, seted up on ring (1) and supplied the guide way of activity pipe (14) motion.
5. The threading machine die head assembly with the automatic tool retracting function according to claim 4, wherein a deep hole is further formed in one end, located outside the movable pipe (14), of the elastic shaft (15), and a rolling ball (16) is arranged in the deep hole in a rolling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876621.6A CN113560680B (en) | 2021-07-31 | 2021-07-31 | Threading machine die head assembly capable of automatically retracting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110876621.6A CN113560680B (en) | 2021-07-31 | 2021-07-31 | Threading machine die head assembly capable of automatically retracting cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113560680A CN113560680A (en) | 2021-10-29 |
| CN113560680B true CN113560680B (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110876621.6A Active CN113560680B (en) | 2021-07-31 | 2021-07-31 | Threading machine die head assembly capable of automatically retracting cutter |
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| CN (1) | CN113560680B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB288495A (en) * | 1927-10-18 | 1928-04-12 | Oster Mfg Co | Improvements in screw cutting die stocks |
| DE4438818A1 (en) * | 1994-10-20 | 1996-05-02 | Mannesmann Ag | Device for processing pipe ends |
| CN2399140Y (en) * | 1999-12-02 | 2000-10-04 | 绍兴县龙华工具有限公司 | Pipe thread hinge plate |
| CN2640663Y (en) * | 2003-09-19 | 2004-09-15 | 王慰祖 | Automatic tool withdrawal carrier |
| CN102528180A (en) * | 2012-03-20 | 2012-07-04 | 杨岩顺 | Double-headed and double-edged die for threading machine |
| CN207642440U (en) * | 2017-09-28 | 2018-07-24 | 陶芳芳 | A kind of novel screw die |
| CN210334645U (en) * | 2019-07-29 | 2020-04-17 | 杭州德工机械有限公司 | Automatic high-speed light mantle fiber machine die head of moving back sword |
| CN211516326U (en) * | 2019-12-30 | 2020-09-18 | 广州市久弘五金有限公司 | Tapping mechanism for producing electronic accessories |
| CN212917930U (en) * | 2020-07-31 | 2021-04-09 | 无锡市长胜线缆有限公司 | Fireproof cable copper sheet hobbing device |
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2021
- 2021-07-31 CN CN202110876621.6A patent/CN113560680B/en active Active
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| CN113560680A (en) | 2021-10-29 |
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