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CN-224224530-U - High-precision die centering device for tetrafluoro lining pipeline

CN224224530UCN 224224530 UCN224224530 UCN 224224530UCN-224224530-U

Abstract

The utility model discloses a high-precision die centering device for a tetrafluoro lining pipeline, which relates to the technical field of pipeline die centering and comprises a chassis, wherein a central rod is attached to the surface of the chassis in a sliding manner, the chassis is in a T shape, the surface of the chassis is connected with a pipeline main body in a sliding manner, a centering mechanism is arranged on the surface of the central rod and comprises a sliding ring, the sliding ring is connected with the arc surface of the central rod in a sliding manner, a screw is connected to the surface of the sliding ring in a threaded manner, and an extension rod is fixedly connected to the arc surface of the sliding ring. The centering mechanism provided by the utility model can help the pipeline main bodies with different sizes and widths to realize centering operation with the central rod, does not need a worker to carry out hand adjustment, prevents the condition that the thickness of the pipeline is different when the pipeline is subjected to tetrafluoro lining operation, improves the tetrafluoro quality of the pipeline lining, ensures that the pipeline can be used for a long time after being subjected to tetrafluoro lining operation, and prolongs the service life.

Inventors

  • TAI ZAIJIN
  • GE ZULIANG
  • Lu Shuolin
  • JING LIANGLIANG

Assignees

  • 南京氟源化工管道设备有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (7)

  1. 1. The high-precision die centering device for the tetrafluoro lining pipeline comprises a chassis (1) and is characterized in that a center rod (2) is attached to the surface of the chassis (1) in a sliding mode, the surface of the chassis (1) is in a T shape, a pipeline main body (3) is connected to the surface of the chassis (1) in a sliding mode, a centering mechanism (4) is arranged on the surface of the center rod (2), the centering mechanism (4) comprises a slip ring (401), the slip ring (401) is connected with an arc surface of the center rod (2) in a sliding mode, screws (402) are connected to the surface of the slip ring (401) in a threaded mode, an extension rod (404) is fixedly connected to the arc surface of the slip ring (401), a rotating plate (407) is connected to the surface of the extension rod, a connecting frame (409) is connected to the surface of the rotating mode, two moving plates (412) are connected to the surface of the two moving plates (412) in a threaded mode, limiting rods (414) are fixedly connected to the surface of the two moving plates (412), and the two limiting plates (412) are connected to the arc surfaces of the connecting plates (413) in a sliding mode.
  2. 2. The high-precision die centering device for a tetrafluoro-lined pipeline as claimed in claim 1, wherein four balls (403) are rotatably connected to the surface of the slip ring (401), and the four balls (403) are slidably connected to the circular arc surface of the central rod (2).
  3. 3. The high-precision mold centering device for a tetrafluoro-lined pipeline as claimed in claim 1, wherein a sliding hole (405) is formed in the surface of the extension rod (404), a sliding plate (406) is connected to the surface of the sliding hole (405) in a sliding manner, a jack (408) is formed in the surface of the rotating plate (407), and the size of the jack (408) and the size of the rotating plate (407) are equal.
  4. 4. The high-precision mold centering device for a tetrafluoro-lined pipe as claimed in claim 1, wherein the surface of the bi-directional screw (410) is glued with a plurality of sponge strips (411), and the sponge strips (411) are uniformly and circumferentially arrayed on the surface of the bi-directional screw (410).
  5. 5. The high-precision mold centering device for the tetrafluoro lining pipe, as set forth in claim 1, is characterized in that an auxiliary mechanism (5) is disposed on the surface of the chassis (1), the auxiliary mechanism (5) includes two arc frames (501), two arc frames (501) are slidably connected with the upper surface of the chassis (1), two rollers (502) are rotatably connected with the lower surface of the arc frames (501), three sliding bars (505) are slidably connected with the inner wall of the arc frames (501), one ends, far away from the arc frames (501), of the three sliding bars (505) are fixedly connected with a placing plate (506), springs (507) are sleeved on the surfaces of the three sliding bars (505), two ends of each spring (507) are fixedly connected with the placing plate (506) and the arc frames (501), a plurality of anti-slip strips (508) are adhered to the upper surface of the placing plate (506), and the plurality of anti-slip strips (508) are made of rubber materials.
  6. 6. The high-precision mold centering device for a tetrafluoro-lined pipe as claimed in claim 5, wherein the lower surface of the placement plate (506) is provided with a chamfer surface, and the size of the placement plate (506) is matched with the size of the inner wall of the arc-shaped frame (501).
  7. 7. The high-precision mold centering device for a tetrafluoro-lined pipe as claimed in claim 5, wherein the surface of the arc-shaped frame (501) is fixedly connected with a magic mother patch (503) and a magic child patch (504).

Description

High-precision die centering device for tetrafluoro lining pipeline Technical Field The utility model relates to the technical field of pipeline mould centering, in particular to a high-precision mould centering device for a tetrafluoro lining pipeline. Background The high-precision die of the tetrafluoro lining pipeline is derived from the severe requirement of the chemical industry on corrosion-resistant and high-pressure-resistant pipelines. Polytetrafluoroethylene (PTFE) is an ideal choice of lining materials due to its excellent chemical inertness, temperature resistance and low friction coefficient, and when a traditional mold is used for manufacturing a tetrafluoro-lined pipeline, the problems of uneven thickness of a lining layer, easy pipe detachment, interlayer cracking and the like often occur, so that the pipeline has unstable performance under the working condition of negative pressure or high temperature. To solve the above problems, a high-precision mold technique has been developed. The technology ensures that the PTFE lining layer is uniform and compact by optimizing the design of a die and combining the processes of isostatic pressing, integral die pressing, sintering and the like, and effectively resists negative pressure and high temperature environments. In the prior art, when the central rod of the pipeline and the auxiliary mould is placed together to carry out tetrafluoro filling, the central points of the pipeline and the central rod are required to be manually aligned, but through manual adjustment, the condition of fine deviation usually occurs, and then the tetrafluoro filling lining layer in the pipeline can have the condition of different thickness or uneven distribution, and abnormal problems can appear when the tetrafluoro lining pipeline is used for a long time later Disclosure of utility model Technical problem to be solved The utility model aims to overcome the defect that the existing pipeline die is easy to deviate by manual adjustment when centering operation is carried out. Technical proposal The high-precision die centering device for the tetrafluoro lining pipeline comprises a chassis, wherein a central rod is attached to the surface of the chassis in a sliding mode, the chassis is in a T shape, a pipeline main body is connected to the surface of the chassis in a sliding mode, a centering mechanism is arranged on the surface of the central rod and comprises a sliding ring, the sliding ring is connected with an arc surface of the central rod in a sliding mode, a screw is connected to the surface of the sliding ring in a threaded mode, an extension rod is fixedly connected to the arc surface of the sliding ring, a rotating plate is connected to the surface of the extension rod in a rotating mode, a connecting frame is fixedly connected to the surface of the rotating plate, a bidirectional screw is connected to the surface of the connecting frame in a rotating mode, two moving plates are connected to the surface of the bidirectional screw in a threaded mode, limiting rods are connected to the surface of the two moving plates in a sliding mode, and arc plates are fixedly connected to the directions of the two moving plates, which are close to the central rod. Further, four round balls are rotatably connected to the surface of the slip ring, and the four round balls are all in sliding connection with the arc surface of the center rod. Further, the sliding hole is formed in the surface of the extension rod, the sliding plate is connected to the surface of the sliding hole in a sliding mode, the insertion hole is formed in the surface of the rotating plate, and the size of the insertion hole is equal to that of the rotating plate. Further, the surface of the bidirectional screw rod is glued with a plurality of sponge strips, and the sponge strips are uniformly circumferentially arrayed on the surface of the bidirectional screw rod. Further, the surface on chassis is equipped with assist mechanism, assist mechanism includes two arc frames, two arc frames all with the upper surface sliding connection on chassis, two the lower surface of arc frame all rotates and is connected with two gyro wheels, gyro wheel and the upper surface sliding connection on chassis, the inner wall sliding connection of arc frame has three slide bar, and is three the slide bar is kept away from the equal fixedly connected with of one end of arc frame and is placed the board, and is three the surface of slide bar all overlaps the spring, the both ends of spring respectively with place board and arc frame fixed connection, the upper surface of placing the board glues and has a plurality of antislip strip, a plurality of antislip strip is the rubber material. Further, the chamfer face has been seted up to the lower surface of placing the board, the board of placing is sized and the inner wall size looks adaptation of arc frame. Further, the surface of the arc-shaped frame is fixedly connected with a mag