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CN-121973436-A - Full-automatic sealing equipment for double heads of glass fiber steel wire mesh composite pipe

CN121973436ACN 121973436 ACN121973436 ACN 121973436ACN-121973436-A

Abstract

The invention relates to the technical field of compound pipeline sealing equipment, and particularly discloses glass fiber steel wire mesh compound pipe double-head full-automatic sealing equipment. The device comprises a frame, a pipeline channel, a left sealing die unit and a right sealing die unit which are oppositely arranged at two ends of the channel, a centering clamping mechanism positioned between the two die units, two sets of servo electric cylinders driving the two die units to advance and retreat, an automatic workbench and a control unit consisting of a programmable logic controller and a touch screen. The die head is integrated with the heating component and the cooling component, the control unit controls the die head to be attached to the pipe end and fed to a preset feeding end position to finish sealing and pressure maintaining, cooling and backing after the pressure maintaining is finished, the centering clamping mechanism realizes one-time clamping and centering clamping, the automatic workbench realizes automatic conveying, positioning and feeding and discharging, synchronous or independent closed-loop position control is supported, and sealing consistency and efficiency are improved.

Inventors

  • SHAO MING
  • ZHANG XIAOJIAN

Assignees

  • 常州东财机械制造有限公司

Dates

Publication Date
20260505
Application Date
20260224

Claims (10)

  1. 1. A double-head full-automatic sealing device for a glass fiber steel wire mesh composite pipe is characterized by comprising a frame (1), a pipeline channel (2) penetrating the frame (1), a left sealing die unit (3 a) and a right sealing die unit (3 b) which are arranged at two ends of the pipeline channel (2) in an opposite mode, a centering clamping mechanism (4) arranged between the two sealing die units, two sets of servo cylinders (5) driving the two sealing die units to axially advance and retreat, an automatic workbench (7) axially arranged along the pipeline channel (2) and a control unit (6) formed by a PLC and a touch screen, wherein each sealing die unit comprises a die head (31), a sealing end face of the die head (31) is provided with a sealing forming structure matched with the shape of the end of the pipeline, a heating component (32) and a cooling component (33) are embedded in the die head (31), the output end of the servo cylinders (5) are fixed with the die head (31) so as to drive the die head (31) to axially feed to a preset feeding position and attach to the end of the pipeline under the control of the control unit (6), sealing pressure is maintained, the centering clamping mechanism (4) comprises a clamping jaw (41) and a clamping jaw opening and closing mechanism (41) arranged on the frame (41), the control unit (6) is respectively and electrically connected with the two sets of servo electric cylinders (5), the heating component (32), the cooling component (33), the centering clamping mechanism (4) and the automatic workbench (7) so as to realize automatic operation of equipment and support synchronous control and independent control of the two sets of servo electric cylinders (5).
  2. 2. The glass fiber steel wire mesh composite pipe double-head full-automatic sealing equipment is characterized in that displacement feedback elements are arranged on the left sealing die unit (3 a) and the right sealing die unit (3 b), the displacement feedback elements are electrically connected with the control unit (6), the control unit (6) performs closed-loop position control on corresponding servo electric cylinders (5) based on signals of the displacement feedback elements, and an origin switch and a travel limit switch are arranged on a frame (1) corresponding to a motion path of each set of servo electric cylinders (5).
  3. 3. The glass fiber steel wire mesh composite pipe double-end full-automatic sealing device according to claim 1, wherein the heating assembly (32) comprises a resistance type heating body (321) embedded in the die head (31) and a temperature sensor (322) attached to the inner wall of the die head (31), the resistance type heating body (321) and the temperature sensor (322) are electrically connected with the control unit (6), and the control unit (6) is used for carrying out constant temperature control on the heating assembly (32) according to detection signals of the temperature sensor (322).
  4. 4. The dual-head full-automatic sealing device for glass fiber steel wire mesh composite pipes according to claim 1, wherein the cooling assembly (33) comprises a cooling channel (331) which is spirally arranged in the die head (31), and a medium inlet joint and a medium outlet joint which are arranged at the end part of the die head (31) and are respectively communicated with the two ends of the cooling channel (331), and the cooling medium enters the cooling channel (331) through the medium inlet joint and flows out through the medium outlet joint.
  5. 5. The dual-head full-automatic sealing device for the glass fiber steel wire mesh composite pipe is characterized in that the clamping jaws (42) are split arc-shaped clamping jaws (42), clamping pads are detachably connected to the inner sides of the clamping jaws (42), the clamping pads are made of rubber, and the clamping pads with different inner diameter specifications can be replaced according to pipe diameters of pipes.
  6. 6. The double-end full-automatic sealing device for the glass fiber steel wire mesh composite pipe, as set forth in claim 1, wherein the control unit (6) is internally provided with a plurality of groups of process formulas, the process formulas at least comprise heating temperature, sealing dwell time, cooling time and feeding end position parameters of the die head (31), wherein the feeding end position is an axial displacement end value of the die head (31) relative to an origin position thereof; the touch screen is in bidirectional communication with the PLC and is used for selecting a process formula, displaying equipment operation parameters in real time and manually modifying and storing the process formula parameters.
  7. 7. The dual-head full-automatic sealing device for glass fiber steel wire mesh composite pipes, as set forth in claim 1, wherein the automatic workbench (7) comprises a roller conveying mechanism (71) and a liftable positioning stop block (72), the roller conveying mechanism (71) is axially arranged along the pipe channel (2) and is used for conveying the pipe to a clamping station of the centering clamping mechanism (4), the positioning stop block (72) is arranged at a feeding end of the pipe channel (2) and is used for limiting the axial conveying position of the pipe, and the positioning stop block (72) is retracted downwards after the pipe is positioned.
  8. 8. The dual-head full-automatic sealing device for the glass fiber steel wire mesh composite pipe, as set forth in claim 6, wherein the control unit (6) can set position offset amounts for feeding end positions of the mold heads (31) corresponding to the left sealing mold unit (3 a) and the right sealing mold unit (3 b) respectively, so as to realize independent fine adjustment of feeding positions of the mold heads (31) at the left end and the right end, and adapt to sealing requirements of pipes with different length specifications.
  9. 9. The double-head full-automatic sealing device for the glass fiber steel wire mesh composite pipe, which is disclosed in claim 8, is characterized in that the positioning control precision of the servo electric cylinder (5) in a closed-loop position control mode is +/-0.1 mm.
  10. 10. The double-end full-automatic sealing device for the glass fiber steel wire mesh composite pipe, as claimed in claim 1, is characterized in that the sealing end face of the die head (31) is provided with an annular compression face, a melting material converging cavity positioned on the inner side of the annular compression face, and an exhaust groove communicated with the melting material converging cavity.

Description

Full-automatic sealing equipment for double heads of glass fiber steel wire mesh composite pipe Technical Field The invention relates to the technical field of compound pipeline sealing equipment, in particular to double-head full-automatic sealing equipment for a glass fiber steel wire mesh compound pipe. Background The glass fiber steel wire mesh composite pipe is widely applied to the fields of municipal administration, petrochemical industry and the like, and end sealing is a key procedure, so that the performance and the service life of the pipe are directly affected. Most of the existing sealing equipment is single-head manual or semi-automatic, pipe transportation, centering and die control are required to be completed manually, labor intensity is high, cost is high, and sealing quality is poor and consistency is insufficient due to operation errors. The double-head equipment is low in heating, cooling and pressure maintaining control precision, partial double-head equipment is driven by a common cylinder, inaccurate in positioning and weak in universality, cannot adapt to pipes with different specifications, cannot be synchronously centered by a clamping mechanism, lacks an automatic feeding and discharging function, is low in machining efficiency, and is difficult to adapt to production line production. Therefore, a full-automatic sealing device is needed to solve the above problems and meet the requirement of large-scale high-precision production. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides double-head full-automatic sealing equipment for a glass fiber steel wire mesh composite pipe. In order to achieve the above purpose, the present invention adopts the following technical scheme: A double-end full-automatic sealing device for a glass fiber steel wire mesh composite pipe comprises a frame, a pipeline channel penetrating through the frame, a left sealing die unit, a right sealing die unit, a centering clamping mechanism, two sets of servo electric cylinders, an automatic workbench and a control unit, wherein the centering clamping mechanism is arranged at two ends of the pipeline channel and is arranged between the two sealing die units in an opposite mode, the two sets of servo electric cylinders are used for driving the two sealing die units to axially advance and retreat, the automatic workbench is axially arranged along the pipeline channel, the control unit consists of a PLC and a touch screen, each sealing die unit comprises a die head, a sealing forming structure matched with the appearance of the end part of the pipeline is arranged on the sealing end face of the die head, a heating assembly and a cooling assembly are embedded in the die head, the output end of each servo electric cylinder is fixed with the die head so as to drive the die head to be axially fed to a preset feeding end position and be attached to the end part of the pipeline under the control of the control unit, sealing pressure maintaining is achieved after cooling, the centering clamping mechanism comprises an air cylinder arranged on the frame and a split clamping jaw which is driven to open and close by the air cylinder, the split clamping jaw is used for centering and positioning the pipeline when the two sets of servo electric cylinders are clamped, the automatic servo assembly, the heating assembly and the cooling assembly are respectively connected with the automatic clamping mechanism and the two clamping cylinders and the automatic clamping mechanism and the clamping mechanism are independently electrically and the control device. Preferably, the left sealing die unit and the right sealing die unit are respectively provided with a displacement feedback element, the displacement feedback elements are electrically connected with the control unit, the control unit performs closed-loop position control on the corresponding servo electric cylinders based on signals of the displacement feedback elements, and the frame is respectively provided with an origin switch and a travel limit switch corresponding to the motion paths of each set of servo electric cylinders. Preferably, the heating assembly comprises a resistance type heating body embedded in the die head and a temperature sensor attached to the inner wall of the die head, wherein the resistance type heating body and the temperature sensor are electrically connected with the control unit, and the control unit is used for controlling the heating assembly to be constant temperature according to detection signals of the temperature sensor. Preferably, the cooling assembly comprises a cooling channel spirally arranged in the die head, and a medium inlet joint and a medium outlet joint which are arranged at the end part of the die head and are respectively communicated with the two ends of the cooling channel, wherein the cooling medium enters the cooling channel through the medium inlet joint and flows out through the