CN212469263U

CN212469263U - Jaw plate for steel pipe cold-drawing machine

Info

Publication number: CN212469263U
Application number: CN202020491546.2U
Authority: CN
Inventors: 盛少军; 安增房; 杨治忠; 徐启多; 周尚宇; 胡树君
Original assignee: Panshi Zhucheng Seamless Steel Pipe Co ltd
Current assignee: Panshi Zhucheng Seamless Steel Pipe Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-05
Anticipated expiration: 2030-04-07

Abstract

The utility model provides a steel pipe is jaw plate for cold drawing machine, including jaw plate body, the inside bottom of jaw plate body is provided with the accepting platform, accepting platform top is provided with the revolving stage, the revolving stage is provided with the toothed disc of outer ring gear for the outside, the toothed disc is provided with drive arrangement, the revolving stage upper surface is provided with the mounting groove, the revolving stage top is provided with the grip block, grip block bottom lower surface side edge is provided with the stopper, the stopper sets up in the mounting groove that corresponds and the tip that corresponds with the mounting groove is articulated, grip block bottom upper surface middle part edge is provided with spacing axle, the revolving stage top is provided with the limiting plate, be provided with the spacing groove on the limiting plate, the spacing axle restriction is in the spacing groove, the spacing groove slope sets up. The utility model discloses have a plurality of impetus to carry out the centre gripping to the both ends of pierced billet, the atress is more even, is difficult for making the tip of pierced billet to warp, also can be along with the diameter size regulation of pierced billet and keep silent the size.

Description

Jaw plate for steel pipe cold-drawing machine

Technical Field

The utility model relates to a steel pipe machining auxiliary assembly field especially relates to a steel pipe is jaw plate for cold-drawn machine.

Background

The cold drawing machine is used for drawing ferrous and non-ferrous metal bar material at normal temperature and secondary processing of hot rolled and extruded pierced billet, and is the main processing equipment for producing small-caliber precise thin-wall high-mechanical performance pipe.

The jaw plate is one of the important parts of the drawbench and is mainly used for clamping the end of the pierced billet. The present jaw plate is mostly flat and uses the relative surface of its upper and lower jaw plate as the jaw face, set up a plurality of pawl on the jaw face and produce clamping-force and make the jaw plate centre gripping in the both ends of pierced billet, only two impetus, the too big clamping-force causes the pierced billet tip of clamping example to flatten easily, and the clamping-force undersize slides easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a jaw plate for a steel pipe cold drawing machine, which comprises a jaw plate body, wherein the jaw plate body is in a cylindrical shape without a bottom at the upper part and the lower part, a bearing table is arranged at the bottom inside the jaw plate body, a rotating table is arranged above the bearing table, the rotating table is a gear disc with an outer gear ring arranged at the outer side, the gear disc is provided with a driving device, a jaw is arranged at the center of the rotating table, a mounting groove is arranged on the upper surface of the rotating table, 6 mounting grooves are arranged around the jaw in a regular hexagonal distribution manner, a clamping block is arranged above the rotating table, the clamping block is in a plate shape with a rectangular bottom part in an equilateral triangle shape, a limiting block is arranged at one side edge of the lower surface at the bottom end of the clamping block, the limiting block is arranged in, the utility model discloses a clamping block, including the grip block, revolving stage, limiting plate, limiting groove, limiting shaft, limiting groove, limiting.

Preferably, the limiting groove is a strip-shaped hollowed groove with an included angle of 30 degrees with a corresponding jaw tangent line.

Preferably, the driving means comprises a driving gear which cooperates with an external gear ring outside the rotary table.

Preferably, a gear containing groove is formed in one side of the jaw plate body, and the edge of the driving gear penetrates through the gear containing groove to enter the jaw plate body.

Preferably, a driving shaft is arranged in the middle of the driving gear, and the driving shaft is fixedly connected with an output shaft of the driving motor through a coupling.

The utility model has the advantages that:

the utility model discloses a revolving stage top of keeping silent is provided with the grip block, each grip block is located the binding off of keeping silent under the revolving stage drive of revolving stage and is more and less little, carries out the centre gripping at a plurality of impetus to the both ends of pierced billet, and the atress is more even, is difficult for making the tip of pierced billet warp, also can be along with the diameter size regulation of pierced billet size of keeping silent.

Drawings

FIG. 1 is a schematic view of the jaw plate with the jaw at the maximum;

FIG. 2 is a schematic structural view of the jaw plate clamping a steel pipe;

FIG. 3 is a schematic view of the turntable;

FIG. 4 is a schematic structural view of the clamping block;

FIG. 5 is a schematic structural view of the jaw plate body;

fig. 6 is a schematic structural diagram of the driving device.

In the shown attached drawing, the jaw plate comprises a jaw plate body 1, a bearing table 2, a rotating table 3, a driving device 4, a jaw 5, a mounting groove 6, a clamping block 7, a limiting block 8, a limiting shaft 9, a limiting plate 10, a limiting groove 11, a driving gear 12, a gear placing groove 13, a driving shaft 14 and a driving motor 15.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, the present embodiment provides a jaw plate for a steel tube cold-drawing machine, including a jaw plate body 1, the jaw plate body 1 is a cylindrical shape without bottom at the top and bottom, a receiving table 2 is disposed at the bottom inside the jaw plate, a rotating table 3 is disposed above the receiving table 2, the rotating table 3 is a gear disc having an outer gear ring disposed at the outer side, the gear disc is provided with a driving device 4, the driving device 4 includes a driving gear 12, the driving gear 12 is matched with the outer gear ring disposed at the outer side of the rotating table 3, a gear accommodating groove 13 is disposed at one side of the jaw plate body 1, the edge of the driving gear 12 passes through the gear accommodating groove 13 to enter the jaw plate body 1, a driving shaft 14 is disposed at the middle part of the driving gear 12, the driving shaft 14 is fixedly connected with an output shaft of a driving motor 15 through a coupling, a jaw 5 is disposed at the center of, the upper surface of the rotating platform 3 is provided with a mounting groove 6, the mounting groove 6 is provided with 6 regular hexagonal grooves distributed around the jaw 5, a clamping block 7 is arranged above the rotating platform 3, the top of the clamping block 7 is a plate with an equilateral triangle bottom as a rectangle, the edge of one side of the lower surface of the bottom of the clamping block 7 is provided with a limiting block 8, the limiting block 8 is arranged in the corresponding mounting groove 6 and hinged with the end part corresponding to the mounting groove 6, the edge of the middle part of the upper surface of the bottom of the clamping block 7 is provided with a limiting shaft 9, the upper part of the rotating platform 3 is provided with a limiting plate 10, the middle part of the limiting plate 10 is provided with the jaw 5 corresponding to the jaw 5 on the rotating platform 3, the limiting plate 10 is provided with a limiting groove 11, the limiting groove 11 is arranged above the corresponding clamping block 7 and distributed in, the limiting groove 11 is obliquely arranged, and the limiting groove 11 is a strip-shaped hollowed groove with a tangential included angle of 30 degrees with the corresponding jaw 5.

The utility model discloses in the use, the pierced billet tip gets into and keeps silent 5, driving motor 15 rotates drive gear 12 through drive shaft 14 to drive revolving stage 3 and rotate, when revolving stage 3 rotates, stopper 8 rotates in mounting groove 6, under stopper 8 and spacing axle 9's cooperation the change as shown in figure 1 to figure 2 takes place for the angle and the position of grip block 7 for each grip block 7 closes up more and less little, carries out the centre gripping at a plurality of impetus to the both ends of pierced billet, and the atress is more even, is difficult for making the tip of pierced billet warp, also can adjust the 5 sizes of keeping silent along with the diameter size of pierced billet.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A jaw plate for a steel pipe cold drawing machine is characterized by comprising a jaw plate body, wherein the jaw plate body is in a cylindrical shape without a bottom at the upper part and the lower part, a bearing table is arranged at the bottom inside the jaw plate body, a rotating table is arranged above the bearing table, the rotating table is a gear disc with an outer gear ring arranged at the outer side, a driving device is arranged on the gear disc, a jaw is arranged at the center of the rotating table, a mounting groove is arranged on the upper surface of the rotating table, 6 clamping blocks are arranged on the mounting groove and distributed around the jaw in a regular hexagonal manner, a clamping block is arranged above the rotating table, the clamping block is in a plate shape with an equilateral triangle bottom and a rectangular bottom, a limiting block is arranged at one side edge of the lower surface of the bottom end of the clamping block, the limiting block is arranged in the corresponding mounting groove and hinged with the end part corresponding to the mounting, the rotary table is characterized in that a limiting plate is arranged above the rotary table, a jaw corresponding to the jaw on the rotary table is arranged in the middle of the limiting plate, a limiting groove is formed in the limiting plate, the limiting groove is arranged above the corresponding clamping block and distributed in a scattering manner, the limiting shaft is limited in the limiting groove, and the limiting groove is obliquely arranged.

2. The jaw plate for the steel tube cold-drawing machine according to claim 1, wherein the limiting groove is a strip-shaped hollowed groove having an included angle of 30 ° with a corresponding jaw tangent line.

3. The jaw plate for a steel pipe cold-drawing machine according to claim 1, wherein said driving means comprises a driving gear, said driving gear being engaged with an external gear ring outside the rotary table.

4. The jaw plate for the steel pipe cold-drawing machine according to claim 3, wherein a gear seating groove is provided at one side of the jaw plate body, and an edge of the driving gear passes through the gear seating groove and enters into the jaw plate body.

5. The jaw plate for the steel tube cold-drawing machine according to claim 4, wherein a driving shaft is arranged in the middle of the driving gear, and the driving shaft is fixedly connected with an output shaft of a driving motor through a coupling.