CN215745549U - Large-diameter metal pipe cold-drawing machine - Google Patents
Large-diameter metal pipe cold-drawing machine Download PDFInfo
- Publication number
- CN215745549U CN215745549U CN202122347454.4U CN202122347454U CN215745549U CN 215745549 U CN215745549 U CN 215745549U CN 202122347454 U CN202122347454 U CN 202122347454U CN 215745549 U CN215745549 U CN 215745549U
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- screw rod
- guide rail
- chain wheel
- pipe
- lower screw
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Abstract
The utility model discloses a cold drawing machine for a large-caliber metal pipe, belonging to the technical field of cold drawing machines, and comprising a support frame, wherein a first guide rail and a second guide rail are arranged on the inner side of the support frame; the driving mechanism comprises a servo motor, an output shaft of the servo motor is in transmission connection with a first upper screw rod, the first upper screw rod is in transmission connection with a first lower screw rod, and the driving mechanism has the beneficial effects that: drive the pipe through setting up actuating mechanism and remove, rather than seizing pipe one end to can not make the pipe tip warp, the machine-shaping back need not cut the pipe tip, can not cause the waste to the pipe, utilizes the pressure shape wheel to extrude the pipe, and the pressure shape wheel rotates among the extrusion process, and the frictional force between pipe and the pressure shape wheel is little, can not produce great destruction to the pipe surface.
Description
Technical Field
The utility model relates to the technical field of cold drawing machines, in particular to a large-caliber metal pipe cold drawing machine.
Background
Cold drawing is a processing technology of materials, is used for metal materials, and is to draw the materials at normal temperature in order to achieve a certain shape and a certain mechanical property. Compared with hot forming, the cold-drawn product has the advantages of high dimensional precision and good surface smoothness; at present, in cold drawing of a steel bar material, one end of the steel bar is fixed in a normal temperature environment, and then a drawing force is applied to the other end, so that the steel bar is subjected to tensile deformation and extrusion deformation.
The existing cold-drawing machine uses a claw to grasp one end of a pipe and then draws the pipe out of a pipeline with a rectangular inner wall, so that the pipe is extruded and deformed by the inner wall of the pipeline; this approach suffers from the following disadvantages: through the mode of grabbing the pulling of pipe one end, at the pulling in-process, the claw easily breaks away from with the pipe, also easily grabs the deformation with the pipe, and after the cold drawing was accomplished, the one end that needs to grab is cut off, and processing is troublesome, and has caused the waste to the pipe.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cold drawing machine for a large-caliber metal pipe.
Therefore, the utility model aims to provide a large-diameter metal pipe cold-drawing machine, which is provided with a driving device and a pressing device, wherein the driving device pushes a pipe to advance through the pressing device, so that the whole pipe is extruded and formed, the end part of the pipe does not need to be cut, the problems that a claw is easy to separate from the pipe and grab the pipe to deform in the pulling process of the pipe, the grabbed end needs to be cut off after cold-drawing is finished, the processing is troublesome, and the waste is caused to the pipe are solved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a large-caliber metal pipe cold drawing machine comprises a support frame, wherein a first guide rail and a second guide rail are arranged on the inner side of the support frame, a pressing device is arranged between the first guide rail and the second guide rail, and a driving mechanism is arranged on the support frame;
the driving mechanism comprises a servo motor, an output shaft of the servo motor is in transmission connection with a first upper lead screw, the first upper lead screw is in transmission connection with a first lower lead screw, the first lower lead screw is in transmission connection with a second lower lead screw, the second lower lead screw is in transmission connection with a second upper lead screw, the outer walls of the first upper lead screw, the first lower lead screw, the second upper lead screw and the second lower lead screw are in threaded connection with a push plate, a push block is integrally formed on the push plate, the two ends of the first upper lead screw and the second upper lead screw are in rotary connection with a first supporting plate through bearings, the left ends of the first lower lead screw and the second lower lead screw are in rotary connection with a second supporting plate through bearings, the right ends of the first lower lead screw and the second lower lead screw are in rotary connection with a supporting frame through bearings, and the first supporting plate and the second supporting plate are fixedly mounted on the supporting frame;
the pressing device comprises a rectangular frame, wheel carriers are fixedly mounted on the inner wall of the periphery of the rectangular frame, and the wheel carriers are rotatably connected with the pressing wheel through pin shafts.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: an arc-shaped groove is formed in the first guide rail, and a rectangular groove is formed in the second guide rail.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: the output shaft of servo motor fixed mounting first belt pulley, the first outer wall of last screw rod is installed the second belt pulley, first belt pulley and second belt pulley pass through belt transmission and are connected.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: a first chain wheel is installed on the outer wall of the right end of the first upper screw rod, a second chain wheel is installed on the outer wall of the first lower screw rod, and the first chain wheel and the second chain wheel are connected through chain transmission.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: and a third chain wheel is installed on the outer wall of the right end of the first lower screw rod, a fourth chain wheel is installed on the outer wall of the right end of the second lower screw rod, and the third chain wheel and the fourth chain wheel are connected through chain transmission.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: and a fifth chain wheel is installed on the outer wall of the right end of the second lower screw rod, a sixth chain wheel is installed on the outer wall of the right end of the second upper screw rod, and the fifth chain wheel is connected with the sixth chain wheel through chain transmission.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: a first internal thread hole and a second internal thread hole are formed in the push plate, and the outer wall of the wheel carrier is fixedly connected with the supporting frame.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: the left end of the first guide rail is fixedly connected with a wheel carrier, and the right end of the second guide rail is fixedly connected with the wheel carrier.
As a preferred scheme of the large-caliber metal pipe cold-drawing machine, the utility model comprises the following steps: the support frame is connected with the first guide rail through a fixing rod, and the support frame is connected with the second guide rail through a fixing rod.
Compared with the prior art:
1. the driving mechanism is arranged to drive the pipe to move instead of grabbing one end of the pipe, so that the end part of the pipe is not deformed, and after the pipe is machined and formed, the end part of the pipe does not need to be cut, and the waste of the pipe is avoided;
2. through setting up the pressure shape ware, set up four pressure shape wheels at the pressure shape ware inboard, utilize the pressure shape wheel to extrude the pipe, the pressure shape wheel rotates among the extrusion process, and the frictional force between pipe and the pressure shape wheel is little, can not produce great destruction to the pipe surface to the pipe removes more easily.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of a push plate provided by the present invention;
FIG. 5 is a schematic view of a press provided by the present invention;
FIG. 6 is a cross-sectional view of a first rail provided by the present invention;
fig. 7 is a cross-sectional view of a second rail provided by the present invention.
In the figure: the support frame 1, the first guide rail 2, the second guide rail 3, the driving mechanism 4, the servo motor 41, the first belt pulley 411, the first upper screw rod 42, the first chain wheel 421, the second upper screw rod 43, the sixth chain wheel 431, the first lower screw rod 44, the second chain wheel 441, the third chain wheel 442, the second lower screw rod 45, the fifth chain wheel 451, the fourth chain wheel 452, the push plate 46, the first internal thread hole 461, the second internal thread hole 462, the push block 463, the first support plate 47, the second support plate 48, the second belt pulley 49, the pressing device 5, the wheel frame 51, the pressing wheel 52, the rectangular frame 53 and the fixing rod 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a large-caliber metal pipe cold-drawing machine, please refer to fig. 1-7, which comprises a support frame 1, wherein a first guide rail 2 and a second guide rail 3 are arranged on the inner side of the support frame 1, a shaper 5 is arranged between the first guide rail 2 and the second guide rail 3, and a driving mechanism 4 is arranged on the support frame 1;
the driving mechanism 4 comprises a servo motor 41, an output shaft of the servo motor 41 is in transmission connection with a first upper screw rod 42, the first upper screw rod 42 is in transmission connection with a first lower screw rod 44, the first lower screw rod 44 is in transmission connection with a second lower screw rod 45, the second lower screw rod 45 is in transmission connection with a second upper screw rod 43, the outer walls of the first upper screw rod 42, the first lower screw rod 44, the second upper screw rod 43 and the second lower screw rod 45 are in threaded connection with a push plate 46, a push block 463 is integrally formed on the push plate 46, both ends of the first upper screw rod 42 and the second upper screw rod 43 are rotatably connected with a first supporting plate 47 through bearings, the left ends of the first lower screw rod 44 and the second lower screw rod 45 are rotatably connected with a second support plate 48 through bearings, the right ends of the first lower screw rod 44 and the second lower screw rod 45 are rotatably connected with the support frame 1 through bearings, the first supporting plate 47 and the second supporting plate 48 are both fixedly arranged on the supporting frame 1;
the pressing device 5 comprises a rectangular frame 53, a wheel frame 51 is fixedly arranged on the inner wall of the periphery of the rectangular frame 53, and the wheel frame 51 is rotationally connected with a pressing wheel 52 through a pin shaft; the four pressing wheels 52 are used for pressurizing the pipe, so that the friction force on the pipe is small, and the outer surface of the pipe cannot be greatly damaged;
further, an arc-shaped groove is formed in the first guide rail 2, and a rectangular groove is formed in the second guide rail 3.
Further, a first belt pulley 411 is fixedly installed on an output shaft of the servo motor 41, a second belt pulley 49 is installed on the outer wall of the first upper screw rod 42, and the first belt pulley 411 and the second belt pulley 49 are in transmission connection through a belt; the servo motor 41 is used for driving the first upper screw rod 42, the second upper screw rod 43, the first lower screw rod 44 and the second lower screw rod 45 to rotate, and finally driving the push plate 46 to move.
Further, a first chain wheel 421 is installed on the outer wall of the right end of the first upper screw rod 42, a second chain wheel 441 is installed on the outer wall of the first lower screw rod 44, and the first chain wheel 421 and the second chain wheel 441 are in transmission connection through a chain.
Further, a third chain wheel 442 is installed on the outer wall of the right end of the first lower screw rod 44, a fourth chain wheel 452 is installed on the outer wall of the right end of the second lower screw rod 45, and the third chain wheel 442 and the fourth chain wheel 452 are connected in a chain transmission manner.
Further, a fifth chain wheel 451 is mounted on the outer wall of the right end of the second lower screw rod 45, a sixth chain wheel 431 is mounted on the outer wall of the right end of the second upper screw rod 43, and the fifth chain wheel 451 and the sixth chain wheel 431 are in chain transmission connection.
Further, the push plate 46 is provided with a first internal threaded hole 461 and a second internal threaded hole 462, and the outer wall of the wheel frame 51 is fixedly connected with the supporting frame 1.
Further, the left end of the first guide rail 2 is fixedly connected with a wheel frame 51, and the right end of the second guide rail 3 is fixedly connected with the wheel frame 51.
Further, the support frame 1 is connected with the first guide rail 2 through a fixing rod 6, and the support frame 1 is connected with the second guide rail 3 through the fixing rod 6.
When the pipe cold drawing device is used specifically, a pipe needing cold drawing is placed in the arc-shaped groove of the first guide rail 2, the servo motor 41 is started, the output shaft of the servo motor 41 drives the first upper screw rod 42 to rotate through the first belt pulley 411, the second belt pulley 49 and the belt, the first upper screw rod 42 drives the first lower screw rod 44 to rotate through the first chain wheel 421, the second chain wheel 441 and the chain, the first lower screw rod 44 drives the second lower screw rod 45 to rotate through the third chain wheel 442, the fourth chain wheel 452 and the chain, the second lower screw rod 45 drives the second upper screw rod 43 to rotate through the fifth chain wheel 451 and the sixth chain wheel 431, so that the push plate 46 is driven to move, the push block 463 on the push plate 46 pushes the pipe to move until the pipe completely passes through the shaper 5, and the pipe becomes a square pipe under the extrusion of the four shaper wheels 52 on the shaper 5.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. The utility model provides a heavy-calibre metal pipe material drawbench, includes support frame (1), its characterized in that: a first guide rail (2) and a second guide rail (3) are arranged on the inner side of the support frame (1), a pressing device (5) is arranged between the first guide rail (2) and the second guide rail (3), and a driving mechanism (4) is installed on the support frame (1);
the driving mechanism (4) comprises a servo motor (41), an output shaft of the servo motor (41) is in transmission connection with a first upper screw rod (42), the first upper screw rod (42) is in transmission connection with a first lower screw rod (44), the first lower screw rod (44) is in transmission connection with a second lower screw rod (45), the second lower screw rod (45) is in transmission connection with a second upper screw rod (43), the outer walls of the first upper screw rod (42), the first lower screw rod (44), the second upper screw rod (43) and the second lower screw rod (45) are in threaded connection with a push plate (46), a push block (463) is integrally formed on the push plate (46), two ends of the first upper screw rod (42) and the second upper screw rod (43) are in rotation connection with a first supporting plate (47) through bearings, the left ends of the first lower screw rod (44) and the second lower screw rod (45) are in rotation connection with a second supporting plate (48) through bearings, the right ends of the first lower screw rod (44) and the second lower screw rod (45) are rotatably connected with the support frame (1) through bearings, and the first support plate (47) and the second support plate (48) are fixedly arranged on the support frame (1);
the pressing device (5) comprises a rectangular frame (53), a wheel frame (51) is fixedly installed on the inner wall of the periphery of the rectangular frame (53), and the wheel frame (51) is rotatably connected with a pressing wheel (52) through a pin shaft.
2. The cold-drawing machine for the large-caliber metal pipe as recited in claim 1, wherein the first guide rail (2) is provided with an arc-shaped groove, and the second guide rail (3) is provided with a rectangular groove.
3. The large-caliber metal pipe cold-drawing machine according to claim 1, wherein a first belt pulley (411) is fixedly installed on an output shaft of the servo motor (41), a second belt pulley (49) is installed on the outer wall of the first upper screw rod (42), and the first belt pulley (411) and the second belt pulley (49) are in transmission connection through a belt.
4. The cold-drawing machine for the large-caliber metal pipe as claimed in claim 1, wherein a first chain wheel (421) is installed on the outer wall of the right end of the first upper screw rod (42), a second chain wheel (441) is installed on the outer wall of the first lower screw rod (44), and the first chain wheel (421) and the second chain wheel (441) are in transmission connection through a chain.
5. The large-caliber metal pipe cold-drawing machine according to claim 1, wherein a third chain wheel (442) is mounted on the outer wall of the right end of the first lower screw rod (44), a fourth chain wheel (452) is mounted on the outer wall of the right end of the second lower screw rod (45), and the third chain wheel (442) and the fourth chain wheel (452) are connected in a chain transmission manner.
6. The large-caliber metal pipe cold-drawing machine as claimed in claim 1, wherein a fifth chain wheel (451) is mounted on the outer wall of the right end of the second lower screw rod (45), a sixth chain wheel (431) is mounted on the outer wall of the right end of the second upper screw rod (43), and the fifth chain wheel (451) and the sixth chain wheel (431) are connected through a chain transmission.
7. The cold-drawing machine for the large-caliber metal pipe as recited in claim 1, wherein the push plate (46) is provided with a first internal threaded hole (461) and a second internal threaded hole (462), and the outer wall of the wheel frame (51) is fixedly connected with the support frame (1).
8. The cold-drawing machine for the large-caliber metal pipe as recited in claim 1, wherein the left end of the first guide rail (2) is fixedly connected with a wheel frame (51), and the right end of the second guide rail (3) is fixedly connected with the wheel frame (51).
9. The cold-drawing machine for the large-caliber metal pipe as recited in claim 1, wherein the support frame (1) is connected with the first guide rail (2) through a fixing rod (6), and the support frame (1) is connected with the second guide rail (3) through the fixing rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347454.4U CN215745549U (en) | 2021-09-27 | 2021-09-27 | Large-diameter metal pipe cold-drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347454.4U CN215745549U (en) | 2021-09-27 | 2021-09-27 | Large-diameter metal pipe cold-drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215745549U true CN215745549U (en) | 2022-02-08 |
Family
ID=80091373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347454.4U Expired - Fee Related CN215745549U (en) | 2021-09-27 | 2021-09-27 | Large-diameter metal pipe cold-drawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215745549U (en) |
-
2021
- 2021-09-27 CN CN202122347454.4U patent/CN215745549U/en not_active Expired - Fee Related
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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: 20220208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |