CN210996916U - Steel bar threading tool - Google Patents
Steel bar threading tool Download PDFInfo
- Publication number
- CN210996916U CN210996916U CN201921847586.XU CN201921847586U CN210996916U CN 210996916 U CN210996916 U CN 210996916U CN 201921847586 U CN201921847586 U CN 201921847586U CN 210996916 U CN210996916 U CN 210996916U
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- China
- Prior art keywords
- clamping
- steel bar
- clamp
- rotating
- jaw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a steel bar threading tool, which comprises a clamp and a plurality of clamping jaws, wherein the clamping jaws are radially distributed at one end of the clamp, and one ends of the clamping jaws, which are positioned at the periphery, are rotationally connected with the clamp; the clamp is hollow, a compressed spring, a sliding block and a plurality of sliding rods are sequentially arranged in the cavity, the sliding rods extend out of the clamp and are connected with the clamping jaws, the steel bar is placed among the clamping jaws, and the clamping jaws are folded to clamp the steel bar to fix the steel bar; the periphery of the clamp is provided with a plurality of rotating parts, one end of each rotating part, which is positioned outside, is provided with a pressing plate, the pressing plates are pressed downwards to enable the clamping jaws to be closed, and the pressing plates are fixed through clamping plates arranged on the clamp. This kind of rod iron threading frock fixes the rod iron through the interlock of many jack catchs to the rod iron, adds to hold the effect better, and the jack catch can be changed according to the size of rod iron, and according to lever principle, the clamp plate pushes down the jack catch more laborsavingly, is convenient for install.
Description
Technical Field
The utility model relates to a mechanical device especially relates to a rod iron car screw frock.
Background
In the machine-building field, some cases, the standard component such as screw or screw rod of location or fixed usefulness can't reach the user demand, need make alone according to actual conditions, it comes to turn out external screw thread or internal thread on the rod iron, because the rod iron texture is hard, required effort is great during the turning, among the prior art, there is the centre gripping unstable inadequately for the frock of rod iron car screw thread, lead to the rod iron to take place to rock at the turning in-process, can't guarantee the problem with the axiality of lathe main shaft, influence the regularity and the precision of screw thread, and the installation is loaded down with trivial details hard, influence work efficiency.
Disclosure of Invention
In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provides a centre gripping is stable, simple to operate, can guarantee the rod iron threading frock of processing screw thread regularity and precision.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a steel bar thread turning tool comprises a clamp and a plurality of clamping jaws, wherein the clamp comprises an installation body, a support body and a clamping body which are sequentially connected in the axial direction, the clamping body is annular, a plurality of square grooves are formed in the annular wall of the clamping body, the square grooves are distributed along the circumferential direction of the clamping body, a rotating shaft is arranged in each square groove, the clamping jaws are located in the clamping body rings, and rotating holes formed in the end portions of the clamping jaws are rotatably connected with the rotating shaft;
the mounting body and the supporting body are hollow, a plurality of sliding holes are formed in the supporting body, the sliding holes are communicated with the cavity and the clamping body ring, a sliding rod is arranged in each sliding hole, the sliding rod is fixedly connected with a sliding block arranged in the cavity, the sliding block provides outward thrust by a spring arranged in the cavity, and the free end part of the sliding rod abuts against the clamping jaw;
the clamping body is provided with a plurality of rotating pieces positioned in the annular wall of the clamping body at one end far away from the supporting body, the rotating pieces are rotatably connected with the annular wall of the clamping body and are opposite to the clamping jaws, one end of each rotating piece positioned outside the clamping body is provided with a pressing plate, the pressing plates are rotatably connected with the rotating pieces, and when the pressing plates are abutted against the top ends of the clamping jaws and are attached to the clamping body, the side walls of the clamping jaws are attached to the end parts of the supporting body;
an L-shaped clamping plate for positioning the pressing plate is arranged on the supporting body, and the height inside the clamping plate is the same as the thickness of the pressing plate.
Further, the clamping jaw is divided into an abutting jaw and a grabbing jaw along the longitudinal direction, the abutting jaw is close to the supporting body, and the length of the abutting jaw is larger than that of the grabbing jaw.
Further, a roller is arranged at the position where the abutting claw abuts against the pressing plate.
Furthermore, the clamping body extends along the two ends of the rotating shaft and is provided with a rotating hole, and the rotating shaft is inserted into the rotating hole and is positioned through threads at the two ends of the rotating shaft.
Furthermore, the clamping body is provided with ejector blocks along the extension of the two ends of the rotating hole, the two end faces of each ejector block are perpendicular to the rotating shaft, and the rotating hole penetrates through the two ends of each ejector block.
Furthermore, a positioning hole is formed in the pressing plate, and the positioning hole is opposite to the threaded hole formed in the clamping plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this rod iron threading frock fixes the rod iron through the interlock of many grippers to the rod iron, adds the effect of holding better, prevents that turning in-process rod iron from taking place to rock.
(2) This rod iron car screw frock, the jack catch can be changed according to the size of rod iron, and the practicality is stronger.
(3) This rod iron car screw frock according to lever principle, and the clamp plate pushes down the jack catch more laborsavingly, the installation of being convenient for.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of the overall structure of a steel bar threading tool according to the present invention;
fig. 2 is a schematic view of a cross-sectional structure of a steel bar threading tool according to the present invention;
fig. 3 is a schematic structural view of a steel bar threading tool fixture according to the present invention;
fig. 4 is a schematic view of a cross-sectional structure of a tool clamp for threading a steel bar according to the present invention;
fig. 5 is the utility model discloses a rod iron thread turning frock jack catch structure sketch map.
Description of reference numerals:
1-an installation body; 2-a support; 21-a clamping body; 22-a top block; 23-a clamping plate; 24-a rotating shaft; 25-square groove; 26-a slide hole; 3-a rotating member; 31-a rotating rod; 4-clamping jaws; 41-an abutment jaw; 42-a grasping claw; 43-rotary hole; 44-a roller; 45-plug; 5, pressing a plate; 51-a positioning hole; 6-a spring; 7-a slide block; 8-a slide bar.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:
a steel bar thread turning tool comprises a clamp and a plurality of clamping jaws 4, wherein the clamp comprises an installation body 1, a support body 2 and a clamping body 21 which are sequentially connected in the axial direction, the clamping body 21 is annular, a plurality of square grooves 25 are formed in the annular wall of the clamping body 21, the square grooves 25 are circumferentially distributed along the clamping body 21, a rotating shaft 24 is arranged in each square groove 25, the clamping jaws 4 are located in the clamping body 21, and rotating holes 43 formed in the end portions of the clamping jaws are rotatably connected with the rotating shaft 24;
in order to enable the rotating shaft 24 to be detachable and further enable the clamping jaw 4 to be replaced as required, the clamping body 21 is provided with a jacking block 22 along the extension of the two ends of the rotating shaft 24, a through rotating hole 43 is formed in the jacking block 22, the rotating shaft 24 is inserted into the rotating hole 43 and is positioned by threads screwed at the two ends of the rotating shaft through a nut, and in order to facilitate the assembly of the rotating shaft 24 and the nut, the two end faces of the jacking block 22 are perpendicular to the rotating shaft 24.
The mounting body 1 and the supporting body 2 are hollow, a plurality of sliding holes 26 are formed in the supporting body 2, the sliding holes 26 are communicated with the cavity and the inside of the clamping body 21 ring, a sliding rod 8 is arranged in each sliding hole 26, the sliding rod 8 is fixedly connected with a sliding block 7 arranged in the cavity, the sliding block 7 is provided with outward thrust by a spring 6 arranged in the cavity, and the free end part of the sliding rod 8 abuts against the clamping jaw 4 to enable the clamping jaw 4 to be in an open state;
in order to facilitate the installation of the steel bar, the jaw 4 is divided into two parts, namely an abutting jaw 41 and a grabbing jaw 42, along the longitudinal direction, the abutting jaw 41 is close to the support body 2, the length of the abutting jaw 41 is larger than that of the grabbing jaw 42, and when the clamping device is used, the steel bar is abutted to the abutting jaw 41 to be pushed forwards, so that the jaw 4 can be folded.
In order to maintain the closing state of the clamping jaws 4, the steel bar is tightly clamped between the grabbing jaws 42, a pressing plate 5 for positioning the clamping jaws 4 is arranged outside the clamp, the pressing plate 5 is rotatably connected with a rotating piece 3 arranged at one end of the clamping body 21 far away from the supporting body 2, the clamping body 21 is opposite to the clamping jaws 4, is positioned in the annular wall of the clamping body 21 and is rotatably connected with the annular wall of the clamping body 21, and when the pressing plate 5 is abutted against the top end of the clamping jaws 4 and is attached to the clamping body 21, the side walls of the clamping jaws 4 are attached to the end part of the supporting body 2;
in order to reduce the friction force, a roller 44 is provided at a position where the abutting claw 41 abuts against the platen 5.
The support body 2 is provided with an L-shaped clamping plate 23 used for positioning the pressing plate, the height inside the clamping plate 23 is the same as the thickness of the pressing plate 5, the pressing plate 5 is used for abutting against one corner of the clamping jaw 4 to enable the clamping jaw 4 to be folded, and the clamping plate 23 is used for enabling the pressing plate 5 to keep a pressing state on the clamping jaw 4, so that the clamping jaw 4 can be kept folded.
The press plate 5 is provided with a positioning hole 51, the positioning hole 51 is opposite to the threaded hole arranged on the clamp plate 23, and bolts are screwed into the positioning hole 51 and the threaded hole, so that the press plate 5 can be prevented from rotating along the rotating piece 3 and slipping out of the clamp plate 23.
When the clamping plate is used, the steel bar is pushed forwards by abutting against the abutting claw 41, and after the clamping claws 4 are completely closed, the pressing plate 5 is screwed into the clamping plate 23 and is positioned by bolts.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The steel bar thread turning tool is characterized by comprising a clamp and a plurality of clamping jaws (4), wherein the clamp comprises an installation body (1), a supporting body (2) and a clamping body (21) which are axially connected in sequence, the clamping body (21) is annular, a plurality of square grooves (25) are formed in the annular wall of the clamping body, the square grooves (25) are circumferentially distributed along the clamping body (21), a rotating shaft (24) is arranged in each square groove (25), the clamping jaws (4) are located in the annular clamping body (21), and rotating holes (43) formed in the end parts of the clamping jaws are rotatably connected with the rotating shaft (24);
the mounting body (1) and the supporting body (2) are hollow, a plurality of sliding holes (26) are formed in the supporting body (2), the sliding holes (26) are communicated with the cavity and the clamping body (21) ring, a sliding rod (8) is arranged in each sliding hole (26), the sliding rod (8) is fixedly connected with a sliding block (7) arranged in the cavity, the sliding block (7) is provided with outward thrust by a spring (6) arranged in the cavity, and the free end part of the sliding rod (8) abuts against the clamping jaw (4);
one end, far away from the supporting body (2), of the clamping body (21) is provided with a plurality of rotating pieces (3) positioned in the annular wall of the clamping body (21), the rotating pieces (3) are rotatably connected with the annular wall of the clamping body (21) and are opposite to the clamping jaws (4), one end, located outside the annular wall of the clamping body (21), of each rotating piece (3) is provided with a pressing plate (5), each pressing plate (5) is rotatably connected with each rotating piece (3), and when each pressing plate (5) abuts against the top end of each clamping jaw (4) and is attached to the corresponding clamping body (21), the side wall of each clamping jaw (4) is attached to the end of the supporting body (2);
an L-shaped clamping plate (23) used for positioning the pressing plate (5) is arranged on the supporting body (2), and the height inside the clamping plate (23) is the same as the thickness of the pressing plate (5).
2. The steel bar threading tool of claim 1, characterized in that: the clamping jaw (4) is divided into an abutting jaw (41) and a grabbing jaw (42) along the longitudinal direction, the abutting jaw (41) is close to the supporting body (2), and the length of the abutting jaw is larger than that of the grabbing jaw (42).
3. The steel bar threading tool of claim 2, characterized in that: and a roller (44) is arranged at the position where the abutting claw (41) abuts against the pressing plate (5).
4. The steel bar threading tool of claim 1, characterized in that: the clamping body (21) is provided with rotating holes (43) along the extension of the two ends of the rotating shaft (24), and the rotating shaft (24) is inserted in the rotating holes (43) and is positioned through threads at the two ends of the rotating shaft.
5. The steel bar threading tool of claim 4, characterized in that: the clamping body (21) extends along the two ends of the rotating hole (43) to be provided with the ejector block (22), the two end faces of the ejector block (22) are perpendicular to the rotating shaft (24), and the rotating hole (43) penetrates through the two ends of the ejector block (22).
6. The steel bar threading tool of claim 1, characterized in that: the pressing plate (5) is provided with a positioning hole (51), and the positioning hole (51) is opposite to a threaded hole arranged on the clamping plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847586.XU CN210996916U (en) | 2019-10-30 | 2019-10-30 | Steel bar threading tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847586.XU CN210996916U (en) | 2019-10-30 | 2019-10-30 | Steel bar threading tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210996916U true CN210996916U (en) | 2020-07-14 |
Family
ID=71484119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921847586.XU Expired - Fee Related CN210996916U (en) | 2019-10-30 | 2019-10-30 | Steel bar threading tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210996916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757089A (en) * | 2021-01-28 | 2021-05-07 | 熊运升 | Edge deburring equipment for perforated round block |
-
2019
- 2019-10-30 CN CN201921847586.XU patent/CN210996916U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757089A (en) * | 2021-01-28 | 2021-05-07 | 熊运升 | Edge deburring equipment for perforated round block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20211030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |