Feeding mechanism for cold pilger mill

By introducing a limiting device and a rotating threaded rod into the feeding mechanism of the cold rolling mill, the problem of unstable clamping caused by wear of the clamping plate was solved, the disassembly and installation of the clamping block were simplified, and the maintenance and repair efficiency was improved.

CN223888705UActive Publication Date: 2026-02-10松阳县永欣机械制造有限公司
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Patent Information

Application Number
CN202520353772.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-10
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

The clamping plates of existing cold rolling mills wear or are damaged after long-term use, resulting in unstable clamping. They need to be disassembled and replaced with special tools, which is complicated and reduces maintenance and repair efficiency.

Method used

A feeding mechanism for a cold rolling mill was designed, which adopts a limiting device. The limiting block is moved by rotating the threaded rod, which simplifies the disassembly and installation process of the clamping block and avoids the use of special tools.

Benefits of technology

It improves the efficiency of clamping block maintenance and repair, reduces the workload of staff, and simplifies the replacement and maintenance process of clamping blocks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a feeding mechanism for a cold pilger mill, and relates to the technical field of metal rolling. A feeding mechanism for a cold pilger mill comprises a supporting base and four sliding seats, the four sliding seats are each provided with a limiting device, each limiting device comprises a clamping frame, two air cylinders, two mounting seats and two clamping blocks, the clamping frames are fixedly connected to the sides, corresponding to the sliding seats, of the clamping frames, the two air cylinders are mounted at the upper ends and the lower ends of the clamping frames correspondingly, and the two mounting seats are mounted on the supporting base. A rotating threaded rod in a limiting device is screwed to rotate to drive a limiting block to move oppositely while moving oppositely, then the limiting block moves oppositely to enable the other end of the limiting block to be separated from the interior of a first limiting block groove, and then a clamping block can be taken down from a mounting base by pulling the clamping block. In this way, the situation that a worker needs to dismount the clamping block after dismounting the whole clamping mechanism with the help of a special tool is avoided, the workload of the worker is effectively reduced, and meanwhile the maintenance and overhaul efficiency of the clamping block is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the rolling technical field of metal, especially relates to a feeding mechanism for cold rolling pipe machine. BACKGROUND

[0002] The pipe conveying device in the cold rolling pipe machine is used for feeding the pipe into the head of the cold rolling pipe machine, so that the pipe is reciprocally rolled by the rollers on the head of the cold rolling pipe machine, the Chinese utility model patent, authorization announcement number "CN215508348U", discloses a pipe conveying device for cold rolling pipe machine, which comprises a first rack and a second rack, and the first rack and the second rack have a pipe conveying space therebetween, the first rack is provided with a first clamping mechanism, the second rack is provided with a second clamping mechanism, the first clamping mechanism and the second clamping mechanism both comprise a movable seat, a mounting seat, an upper cylinder, a lower cylinder, an upper clamping plate and a lower clamping plate, the mounting seat is fixedly connected to the movable seat, the upper cylinder and the lower cylinder are fixed to the upper and lower sides of the mounting seat respectively, the output shaft of the upper cylinder is connected with the upper clamping plate, the output shaft of the lower cylinder is connected with the lower clamping plate, the upper clamping plate and the lower clamping plate extend into the pipe conveying space, the first rack and the second rack are both provided with a lead screw driving mechanism for driving the movable seat to move back and forth, which is stable and reliable for conveying the pipe and can realize the conveying requirement of intermittent accurate length.

[0003] The above technical scheme clamps the pipe by the upper clamping plate and the lower clamping plate on the first clamping mechanism, and the pipe is located in the clamping groove on the upper clamping plate and the lower clamping plate, which is stable and reliable, while the upper clamping plate and the lower clamping plate on the second clamping mechanism are opened to avoid interference when the upper clamping plate and the lower clamping plate on the first clamping mechanism move, but the above technical scheme still has certain defects, for example, the pipe is clamped by the upper clamping plate and the lower clamping plate on the first clamping mechanism, and the pipe is located in the clamping groove on the upper clamping plate and the lower clamping plate, which is stable and reliable, but when the clamping plate is worn or damaged after long-time use, it will lead to unstable clamping, and then the staff needs to use special tools to disassemble the entire clamping mechanism and then disassemble the clamping plate, which is complicated and difficult to operate, thereby reducing the work amount of the staff and the maintenance and repair efficiency of the clamping plate. SUMMARY

[0004] The utility model discloses a purpose at least solve one of the technical problems existing in prior art, provide a kind of feeding mechanism for cold rolling pipe machine, can solve the equipment through the upper clamping plate and lower clamping plate on first clamping mechanism Clamping pipe fitting, pipe fitting is located in the clamping groove on upper clamping plate and lower clamping plate, stable and reliable, but clamping plate is worn or damaged when long time is used, so it will cause clamping not firm, and then staff need to use special tool to remove entire clamping mechanism after, clamping plate is removed, so it is complicated to operate and difficult, and then reduce the work load of staff, while reduce the maintenance and overhaul efficiency of clamping plate Problem.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of feeding mechanism for cold rolling pipe machine, including support base and four sliding seats, four the sliding seat is all provided with limiting device;

[0006] Limiting device includes clamping frame, two cylinders, two mounting seats and two clamping blocks, clamping frame is fixedly connected on the side corresponding to sliding seat, two cylinders are installed at the upper and lower ends of clamping frame respectively, two mounting seats are installed on the output end of corresponding cylinder respectively, two mounting seats are all provided with two clamping block grooves on the outer wall of opposite side;

[0007] Among them, the outer wall of the side of the two clamping blocks away from the triangular groove is fixedly connected with the tapered block, the outer wall of the opposite side of the two mounting seats is provided with the second limiting block groove, the limiting block is slidably connected in the two second limiting block grooves, the outer wall of the side of the two clamping blocks close to the tapered block is provided with the first limiting block groove, the upper surface of the two protrusions on the mounting seat is threadedly connected with the rotating threaded rod, and the four limiting devices are respectively provided on the corresponding sliding seat.

[0008] Preferably, the clamping frame is "U"-shaped, the output ends of the two cylinders slide into the interior of the clamping frame, the two clamping blocks are provided with triangular grooves, the outer walls of the two tapered blocks are respectively slidably connected with the interiors of the corresponding clamping block grooves, and the ends of the two limiting blocks close to the first limiting block groove slide into the exterior of the mounting seat and respectively contact the inner walls of the corresponding first limiting block grooves.

[0009] Among them, the interiors of the two second limiting block grooves are respectively communicated with the interiors of the protrusions on the mounting seat, and the ends of the two rotating threaded rods close to the limiting blocks are threadedly extended into the interiors of the second limiting block grooves and respectively rotationally connected with the one ends of the corresponding limiting blocks.

[0010] Preferably, the upper surfaces of the two sides of the support base are fixedly connected with two support plates, and the four support plates are two groups.

[0011] Among them, the opposite sides of the two groups of support plates are rotationally connected with two threaded rods, and the four sliding seats are two groups.

[0012] Preferably, the sliding seat is in threaded connection with the outer wall of the corresponding threaded rod respectively;

[0013] The upper surfaces of the two sides of the support base are provided with electric motors, and the output ends of the two electric motors are fixedly connected with the one ends of the corresponding threaded rods.

[0014] Preferably, the upper surfaces of the two sides of the support base are fixedly connected with fixed seats respectively;

[0015] The upper surfaces of the two fixed seats are provided with sliding grooves, and the two sliding grooves are conical.

[0016] Preferably, the outer walls of the conical blocks on one side of the sliding seat are in sliding connection with the interiors of the corresponding sliding grooves respectively;

[0017] The support base is fixedly connected with a support guide rod at one end, and the upper end of the support guide rod is arc-shaped.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1. The feeding mechanism for the cold rolling pipe machine, through the opposite movement of the rotating threaded rod in the limiting device and the driving of the opposite movement of the limiting block, then the opposite movement of the limiting block makes the other end of the limiting block separate from the interior of the first limiting block groove, then the clamping block can be taken off from the mounting seat, thus avoiding the need for workers to use special tools to disassemble the entire clamping mechanism, and then effectively reducing the workload of the workers while improving the maintenance and repair efficiency of the clamping block. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and examples:

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the utility model sliding seat outside;

[0023] Figure 3 It is the structure schematic diagram of the utility model clamping block outside;

[0024] Figure 4 It is the structure schematic diagram of the utility model Figure 3 It is the structure schematic diagram of the utility model A place enlarged view.

[0025] 1, support base; 2, fixed seat; 3, sliding seat; 4, sliding groove; 5, rotating threaded rod; 6, threaded rod; 7, support plate; 8, clamping block groove; 9, clamping block; 10, clamping frame; 11, air cylinder; 12, support guide rod; 13, motor; 14, tapered block; 15, first limit block groove; 16, limit block; 17, second limit block groove; 18, mounting seat. DETAILED DESCRIPTION

[0026] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as limiting the utility model.

[0028] In the description of the utility model, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described to the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0030] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a feeding mechanism for cold rolling pipe machine, including support base 1 and four sliding seats 3;

[0031] Limiting device is set on four sliding seats 3;

[0032] The limiting device comprises a clamping frame 10, two air cylinders 11, two mounting seats 18 and two clamping blocks 9, the clamping frame 10 is fixedly connected on one side corresponding to the sliding seat 3, the two air cylinders 11 are respectively mounted on the upper and lower ends of the clamping frame 10, the clamping frame 10 is in the shape of 'U', the output ends of the two air cylinders 11 slide into the interior of the clamping frame 10, the two mounting seats 18 are respectively mounted on the output ends corresponding to the air cylinders 11, the two clamping blocks 9 are both provided with a triangular groove, the opposite sides of the outer walls of the two mounting seats 18 are both provided with two clamping block grooves 8, the outer walls of the two clamping blocks 9 away from the triangular grooves are both fixedly connected with a tapered block 14, the outer walls of the two tapered blocks 14 are respectively slidably connected with the interiors of the corresponding clamping block grooves 8, the opposite sides of the outer walls of the two mounting seats 18 are both provided with a second limiting block groove 17, the interiors of the two second limiting block grooves 17 are both slidably connected with a limiting block 16, the outer walls of the two clamping blocks 9 close to the tapered blocks 14 are both provided with a first limiting block groove 15, one end of the two limiting blocks 16 close to the first limiting block grooves 15 both slide into the exterior of the mounting seat 18 and are respectively in contact with the inner walls of the corresponding first limiting block grooves 15, the upper surfaces of the two protrusions on the mounting seat 18 are both screw-connected with a rotating threaded rod 5, the interiors of the two second limiting block grooves 17 are respectively communicated with the interiors of the protrusions on the mounting seat 18, one end of the two rotating threaded rods 5 close to the limiting blocks 16 is both screw-extended into the interior of the second limiting block groove 17 and is respectively rotationally connected with one end of the corresponding limiting block 16, and four limiting devices are respectively arranged on the corresponding sliding seats 3.

[0033] Among them, the upper surfaces of the two sides of the support base 1 are both fixedly connected with two support plates 7, the four support plates 7 are in two groups, the opposite sides of the two groups of support plates 7 are rotationally connected with two threaded rods 6, the two groups of sliding seats 3 are two groups, the two groups of sliding seats 3 are respectively screw-connected with the outer walls of the corresponding threaded rods 6, the upper surfaces of the two sides of the support base 1 are both mounted with an electric motor 13, one end of the output end of the two electric motors 13 is respectively fixedly connected with the corresponding threaded rod 6, the upper surfaces of the two sides of the support base 1 are both fixedly connected with a fixed seat 2, the upper surfaces of the two fixed seats 2 are both provided with a sliding groove 4, the two sliding grooves 4 are both in the shape of a cone, the outer walls of the one side tapered blocks of the two groups of sliding seats 3 are respectively slidably connected with the interiors of the corresponding sliding grooves 4, one end of the support guide rod 12 is fixedly connected with the support base 1, and the upper end of the support guide rod 12 is in the shape of an arc.

[0034] Further, in use of the device, by connecting an external power supply to start, first in use, by the pipe conveying, the cylinder 11 on the left side of a group of sliding seat 3 can control the clamping block 9 to clamp the pipe, so that the pipe is located in the clamping groove formed by the two clamping blocks 9 on the left side of a group of sliding seat 3, so that the clamping block 9 clamping is stable and reliable, while the clamping block 9 on the right side of a group of sliding seat 3 opens, so as to avoid interference with the clamping block 9 on the left side of a group of sliding seat 3 when moving, then the output end of the left motor 13 rotates to drive the left threaded rod 6 to rotate and move the left side of a group of sliding seat 3, so that the front end of the pipe enters the cold rolling pipe machine to be cold rolled, after the cold rolling is finished, the cylinder 11 on the right side of a group of sliding seat 3 drives the clamping block 9 to clamp the pipe, and the clamping block 9 on the left side of a group of sliding seat 3 opens, then the output end of the right motor 13 rotates to drive the right threaded rod 6 to rotate and move the right side of a group of sliding seat 3, so that the pipe continues to move forward by a certain distance, and the left motor 13 drives the left threaded rod 6 to reset the left side of a group of sliding seat 3 at this time, so that the pipe is conveyed intermittently and accurately, then when the clamping block 9 needs to be removed, the rotating threaded rod 5 is twisted to rotate and move the limiting block 16 in the opposite direction, then the limiting block 16 moves in the opposite direction to make the other end of the limiting block 16 disengage from the inside of the first limiting block slot 15, then the clamping block 9 can be removed from the mounting seat 18.

[0035] By twisting the rotating threaded rod 5 to rotate and move the limiting block 16 in the opposite direction, then the limiting block 16 moves in the opposite direction to make the other end of the limiting block 16 disengage from the inside of the first limiting block slot 15, then the clamping block 9 can be removed from the mounting seat 18, so that the staff need not use special tools to disassemble the entire clamping mechanism before disassembling the clamping block 9, thereby effectively reducing the workload of the staff and improving the maintenance and repair efficiency of the clamping block 9.

[0036] Structure description: sliding seat 3: the sliding seat 3 is the installation basis of the clamping block 9 and the driving mechanism, which can move left and right by rotating the threaded rod 6, this design enables the clamping block to clamp the pipe and move in a specific direction as needed, the design of the sliding seat simplifies the layout of the clamping and moving mechanism, improves the stability and flexibility of the system;

[0037] Rotating threaded rod 5: by rotating to move the limiting block 16, thereby controlling the fixing and disassembly of the clamping block 9, the rotating threaded rod 5 provides a simple and effective adjustment method, making the disassembly and installation of the clamping block 9 convenient and fast;

[0038] Threaded rod 6: connected with the motor output, through rotation to drive the sliding seat 3 to move, threaded transmission has high precision and stability, can ensure the sliding seat 3 according to the set distance accurate movement;

[0039] Clamping block 9: through the triangular groove cooperation forms the clamping groove, clamps the pipe fitting and realizes the stable and reliable conveying, the design of clamping block 9 makes that the pipe fitting can be firmly clamped, avoids the shaking and falling in the conveying process;

[0040] Cylinder 11: control the opening and closing of clamping block 9, realize the clamping and release of pipe fitting, cylinder 11 provides quick, reliable clamping and release action, improves the degree of automation and work efficiency of system;

[0041] Motor 13: provides driving force, through the output end rotation drives threaded rod 6 to rotate, motor 13 as power source, has high efficiency, stable characteristics, can satisfy the demand of accurate conveying of system;

[0042] Limiting block 16: through the movement control of rotating threaded rod 5, with the first limiting block groove 15 cooperation realizes the fixation and disassembly of clamping block 9, the design of limiting block makes the disassembly and installation of clamping block become more simple and convenient, also improves the flexibility and maintainability of system;

[0043] Mounting seat 18: for installing clamping block 9 and other components, provides stable support foundation, the design of mounting seat 18 simplifies the installation and disassembly process of clamping block, improves the maintainability and flexibility of system.

[0044] The above embodiment of the utility model is explained in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A feeding mechanism for a cold rolling mill, comprising a support base (1) and four sliding seats (3), characterized in that: Limiting devices are provided on all four sliding seats (3); The limiting device includes a clamping frame (10), two cylinders (11), two mounting seats (18) and two clamping blocks (9). The clamping frame (10) is fixedly connected to one side of the corresponding sliding seat (3). The two cylinders (11) are installed at the upper and lower ends of the clamping frame (10) respectively. The two mounting seats (18) are installed on the output end of the corresponding cylinders (11) respectively. Two clamping block slots (8) are opened on the outer wall of the opposite side of the two mounting seats (18). Among them, the outer wall of the two clamping blocks (9) away from the triangular groove is fixedly connected with a conical block (14), the outer wall of the opposite side of the two mounting seats (18) is provided with a second limiting block groove (17), the inner side of the two second limiting block grooves (17) is slidably connected with a limiting block (16), the outer wall of the two clamping blocks (9) near the conical block (14) is provided with a first limiting block groove (15), the upper surface of the two protrusions on the mounting seat (18) is threaded with a rotating threaded rod (5), and the four limiting devices are respectively set on the corresponding sliding seat (3).

2. The feeding mechanism for a cold rolling mill according to claim 1, characterized in that: The clamping frame (10) is U-shaped. The output ends of the two cylinders (11) slide to the inside of the clamping frame (10). The two clamping blocks (9) are provided with triangular grooves. The outer walls of the two cone blocks (14) are slidably connected to the inside of the corresponding clamping block groove (8). The ends of the two limiting blocks (16) near the first limiting block groove (15) slide to the outside of the mounting base (18) and contact the inner wall of the corresponding first limiting block groove (15). The interiors of the two second limiting block grooves (17) are respectively connected to the interiors of the protrusions on the mounting base (18), and the ends of the two rotating threaded rods (5) near the limiting block (16) are threaded to the interiors of the second limiting block grooves (17) and are respectively rotatably connected to the ends of the corresponding limiting blocks (16).

3. The feeding mechanism for a cold rolling mill according to claim 1, characterized in that: The upper surfaces of both sides of the support base (1) are fixedly connected to two support plates (7), and the four support plates (7) are in groups of two; Among them, the two sets of support plates (7) are rotatably connected to each other by two threaded rods (6), and four sliding seats (3) are in pairs.

4. The feeding mechanism for a cold rolling mill according to claim 1, characterized in that: The two sets of sliding seats (3) are respectively threaded to the outer wall of the corresponding threaded rod (6); Among them, motors (13) are installed on the upper surfaces of both sides of the support base (1), and the output ends of the two motors (13) are fixedly connected to one end of the corresponding threaded rod (6).

5. The feeding mechanism for a cold rolling mill according to claim 1, characterized in that: The upper surfaces of both sides of the support base (1) are fixedly connected with fixed seats (2); The upper surfaces of the two fixed seats (2) are provided with sliding grooves (4), and the two sliding grooves (4) are both conical.

6. The feeding mechanism for a cold rolling mill according to claim 1, characterized in that: The outer walls of the conical blocks on one side of the two sets of sliding seats (3) are respectively slidably connected to the interior of the corresponding sliding grooves (4); Among them, a support guide rod (12) is fixedly connected to one end of the support base (1), and the upper end of the support guide rod (12) is arc-shaped.

Citation Information

Patent Citations

  • Pipe fitting conveying device used in cold pilger mill

    CN215508348U