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CN-122008529-A - Automatic sealing device for continuous glass fiber winding pipe

CN122008529ACN 122008529 ACN122008529 ACN 122008529ACN-122008529-A

Abstract

The invention relates to the technical field of molding equipment for plastic materials, in particular to an automatic sealing device for a continuous glass fiber winding pipe. The rotary feeding mechanism is provided with a V-shaped supporting plate with a balancing weight for supporting the pipe. The detection component is arranged corresponding to the feeding detection station and is used for detecting the tube straightening state and the bending degree. The vibration excitation mechanism can apply periodic vibration excitation force to the balancing weight to assist the pipe to be straightened. The control unit closes the pipe, the sealing forming assembly completes the sealing processing after the forming station is locked by the fixing assembly, and the unqualified pipe is automatically separated at the waste removing station. The invention realizes the full-flow automatic, high-precision and high-efficiency production of the pipe sealing through the automatic assembly line integration and the intelligent online detection screening, and remarkably improves the product quality and the resource utilization rate.

Inventors

  • JIANG XIANWU
  • LI HAIFENG
  • Zhan Liebin

Assignees

  • 杭州美聚福科技有限公司

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. An automatic sealing device for a continuous glass fiber winding pipe, which is characterized by comprising: a frame (201); The rotary feeding mechanism is arranged on the frame (201) and forms a circulation station at least comprising a feeding detection station, a forming station and a waste removal station, and comprises a V-shaped supporting plate (305) for supporting pipes and a balancing weight (306) arranged at the bottom of the V-shaped supporting plate (305), wherein the balancing weight (306) enables the V-shaped supporting plate (305) to be opened upwards in a free state; the detection assembly (401) is arranged corresponding to the feeding detection station and comprises a centering mechanism for clamping and centering the pipe, a distance measuring sensor array and a pressure sensing unit, wherein the distance measuring sensor array and the pressure sensing unit are axially arranged along the pipe; the excitation mechanism is arranged corresponding to the feeding detection station and comprises a periodic force generating device which can act on the balancing weight (306); The control unit is configured to judge the tube straightening state based on the distance data acquired by the ranging sensor array, and if the tube straightening state is not straightened, the vibration excitation mechanism is controlled to apply periodic vibration excitation force to the balancing weight (306) to facilitate the tube straightening; The fixing assembly (501) and the sealing forming assembly (601) are respectively arranged corresponding to the forming stations and are used for locking and sealing qualified pipes according to the marks; and the waste material removing mechanism is arranged corresponding to the waste material removing station and is used for separating unqualified pipes according to the marks.
  2. 2. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1, wherein the rotary feeding mechanism further comprises a fixing column (203) transversely penetrating through the frame (201), rotating seats (302) installed at two ends of the fixing column (203) through bearings, connecting plates (303) arranged on the rotating seats (302) in an array mode and connecting shafts (304) installed between the connecting plates (303) at two ends, each V-shaped supporting plate (305) is installed at each end of the connecting shaft (304), each two V-shaped supporting plates (305) are arranged at the same end of the connecting shaft (304), a fixing gap is formed between the two groups of V-shaped supporting plates (305), and positioning holes (307) are formed in the V-shaped supporting plates (305).
  3. 3. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1, wherein the periodic force generating device of the excitation mechanism is an electromagnet, the excitation mechanism further comprises a linear driving piece (310) arranged near the feeding detection station, the electromagnet is arranged at an execution end of the linear driving piece (310), and the control unit is configured to control the linear driving piece (310) to move the electromagnet to an excitation position with a preset gap from the balancing weight (306) and intermittently turn on and off the electromagnet to generate the periodic excitation force, and when the detection assembly 401 detects, the linear driving piece (310) is controlled to move the electromagnet to a locking position to lock the balancing weight (306) in a straightening position.
  4. 4. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1, wherein the centering mechanism of the detection assembly (401) comprises a detection seat (402) installed on a rack (201) through a detection push rod (404), screw bases (403) installed at two ends of the detection seat (402), a centering screw (405) erected between the two screw bases (403) and driven by a screw motor (407), two screw sliding blocks (406) adaptively installed on the centering screw (405), and a centering plate (408) respectively connected with the two screw sliding blocks (406) and provided with the pressure sensing unit, and the distance measuring sensor array is a plurality of laser displacement sensors which are arranged in a straight line at equal intervals along the axial direction of the pipe.
  5. 5. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1 or 2, wherein the fixing assembly (501) comprises a fixing seat (502) capable of lifting, a fixing V-shaped plate (504) installed at two ends of the fixing seat (502) and matched with a fixing gap between the V-shaped supporting plates (305), and a positioning pin (505) installed below the fixing seat (502) and matched with a positioning hole (307) on the V-shaped supporting plates (305).
  6. 6. The automatic sealing device for continuous glass fiber winding pipes according to claim 1, wherein the sealing forming assembly (601) comprises a bearing frame movably arranged on the frame (201), and a cutting unit, a heating unit and a forming unit which are arranged on the bearing frame in sequence along the moving direction, wherein the heating unit is a heating pipe group (611) with the height adjustable through a heating lifting frame (610), the forming unit is a die (607) with the height adjustable through a forming lifting frame (608), and the cutting unit comprises a cutting box (612), a cutter (618) arranged on the top of the cutting box (612) through a cutting lifting frame (616) and a bearing seat (614) which is arranged in the cutting box (612) in a replaceable manner and used for bearing the end parts of the pipes.
  7. 7. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1 or 2, wherein the circulating station further comprises a blanking station, and a blanking driving mechanism is arranged at the blanking station and is configured to drive a V-shaped supporting plate (305) positioned at the station to rotate around a connecting shaft (304) of the V-shaped supporting plate so as to realize dumping and blanking of the pipe.
  8. 8. The automatic sealing device for continuous glass fiber wound tubes according to claim 1 or 2, wherein the scrap removing mechanism comprises a blanking plate (204) fixedly installed below the scrap removing station, and the installation height of the blanking plate (204) is configured such that when a V-shaped pallet (305) carrying a tube marked as failed is rotated to the station, the blanking plate (204) pushes the tube off the V-shaped pallet (305) through contact interference with the tube.
  9. 9. The automatic sealing device for the continuous glass fiber winding pipe according to claim 1, wherein the control unit comprises a programmable logic controller and an industrial personal computer, the programmable logic controller is used for controlling sequential actions of the rotary feeding mechanism, the excitation mechanism, the centering mechanism, the fixing assembly (501) and the sealing forming assembly (601), and the industrial personal computer is used for receiving and processing data of the ranging sensor array, executing a correction state judgment and bending degree judgment algorithm and sending a judgment result to the programmable logic controller.
  10. 10. The automatic sealing device for continuous glass fiber wound pipe according to claim 1, wherein the control unit is specifically configured to perform the steps of: a) Calculating the variance of the first group of distance data acquired by the ranging sensor array when the pipe is not clamped, and judging whether the pipe is in a straightening state according to the comparison result of the variance and a first preset threshold; b) If the step a) judges that the vibration excitation mechanism is not aligned, controlling the vibration excitation mechanism to act, and applying periodic vibration excitation force to the balancing weight (306) through the periodic force generating device; c) For the pipe in the alignment state, controlling the centering mechanism to act so as to clamp the pipe, and confirming that the pipe is clamped in place based on feedback of the pressure sensing unit; d) Based on a second group of distance data acquired by the distance measuring sensor array after the pipe is clamped, a reference straight line is obtained through least square fitting, the deviation of each measuring point relative to the reference straight line is calculated, and whether the pipe curvature is qualified or not is judged according to the comparison result of the maximum deviation value and a second preset threshold value, and a mark is output.

Description

Automatic sealing device for continuous glass fiber winding pipe Technical Field The invention relates to the technical field of molding equipment for plastic state materials, in particular to an automatic sealing device for a continuous glass fiber winding pipe. Background The glass fiber winding pipe is used as a high-performance composite material pipe, and the end sealing is a key process for ensuring the connection tightness of the pipe. At present, two technical paths are commonly existed in the industry, but no real full-automatic sealing can be realized. The traditional manual mode relies on manual operation to finish feeding, centering and overturning, so that the efficiency is low and safety risks exist, while the existing improvement scheme, such as the hot-melting sealing device disclosed in Chinese patent CN118514312A, is characterized in that the sealing process is improved by combining a positioning clamp and a die, but the traditional manual mode is a semi-fixed tool, the positioning, clamping and adjusting of the pipe are required to be manually performed, and the whole sealing process cannot realize automatic continuous operation. Therefore, aiming at the problem that the prior art cannot realize automatic continuous operation, there is a need to develop an intelligent device capable of realizing full-process unmanned operation from automatic feeding to double-end synchronous sealing so as to overcome the defects of the prior art and meet the high-quality and high-efficiency production requirements of high-end composite pipes. Disclosure of Invention Therefore, the invention aims to provide an automatic sealing device for a continuous glass fiber winding pipe, which solves the problem that the prior art cannot realize automatic continuous operation. A frame, based on the above objects; The rotary feeding mechanism is arranged on the frame and forms a circulating station at least comprising a feeding detection station, a forming station and a waste removing station, and comprises a V-shaped supporting plate for supporting the pipe and a balancing weight arranged at the bottom of the V-shaped supporting plate, wherein the balancing weight enables the V-shaped supporting plate to be opened upwards in a free state; the detection assembly is arranged corresponding to the feeding detection station and comprises a centering mechanism for clamping and centering the pipe, a distance measuring sensor array and a pressure sensing unit, wherein the distance measuring sensor array and the pressure sensing unit are axially arranged along the pipe; the vibration excitation mechanism is arranged corresponding to the feeding detection station and comprises a periodic force generating device which can act on the balancing weight; The control unit is configured to judge the tube straightening state based on the distance data acquired by the ranging sensor array, if the tube straightening state is not straightened, the vibration excitation mechanism is controlled to apply periodic vibration excitation force to the balancing weight to straighten the balancing weight, the centering mechanism is controlled to clamp the tube straightening, whether the bending degree is qualified or not is judged through a fitting algorithm based on the ranging data after clamping, and a mark is output, wherein the mark is a state mark which is related to the station number of the V-shaped supporting plate 305 where the tube is located in the control unit, and is qualified or unqualified. The fixing assembly and the sealing forming assembly are respectively arranged corresponding to the forming stations and are used for locking and sealing the qualified pipe according to the marks; and the waste material removing mechanism is arranged corresponding to the waste material removing station and is used for separating unqualified pipes according to the marks. Optionally, the rotary feeding mechanism further comprises a fixing column transversely penetrating through the frame, rotary seats installed at two ends of the fixing column through bearings, connecting plates arranged on the rotary seats in an array mode, and connecting shafts installed between the connecting plates at two ends, wherein each V-shaped supporting plate is installed at each end of the connecting shaft, every two V-shaped supporting plates are arranged at the same end of the connecting shaft in a group, a fixing gap is formed between the two groups of V-shaped supporting plates, and positioning holes are formed in the V-shaped supporting plates. The control unit is configured to control the linear driving part to move the electromagnet to an excitation position with a preset gap from the balancing weight, intermittently power on and off the electromagnet to generate the periodic excitation force, and control the linear driving part to move the electromagnet to a locking position and lock the balancing weight at a centering position when the detection assembly detect