High-speed centrifugal molding machine for producing large-diameter pipe pile having long pipe sections

Abstract

A high-speed centrifugal molding machine for producing a large-diameter pipe pile having long pipe sections. The high-speed centrifugal molding machine comprises a machine base and a pipe die (6), wherein a mobile feeding mechanism for feeding materials into the pipe die (6) is provided at one end of the pipe die (6); a roller-pressing pressing roller mechanism used for pressing cement materials is provided in the pipe die (6); and excitation mechanisms cooperating with the roller-pressing pressing roller mechanism to tamp down the cement materials are mounted on the machine base. The roller-pressing pressing roller mechanism comprises a pressing roller (8), a driving-end upright mechanism arranged at one end of the pressing roller (8), and a driven-end upright mechanism arranged at the other end of the pressing roller (8). Each excitation mechanism comprises an excitation base (20) and an excitation beam (21), wherein two ends of the excitation beam (21) are mounted on the excitation base (20) by means of elastic mechanisms, and a roller set (7) for supporting the pipe die (6) is mounted on the excitation beam (21).

Description

A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles Technical Field

[0001] The invention relates to a forming machine, in particular to a high-speed centrifugal forming machine for producing long pipe sections and large pipe piles. Background Art

[0002] Traditional centrifugal cement pipe pile forming machines primarily produce short-section piles, such as concrete pipes ranging in length from 2 to 5 meters. Their structure primarily includes a pipe mold, a drive mechanism, and roller support. With the continuous development of the times, increasing demand, and the increasing size of equipment, as well as the need for high-quality port construction, higher requirements are being placed on the production of cement pipe piles. However, existing centrifugal cement pipe pile forming machines are unable to adapt to the production of large, long-section piles, such as those with 8-meter sections. This length places higher demands on production equipment. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a high-speed centrifugal forming machine with reasonable design, good forming quality, high speed and suitable for producing 8m long pipe sections and large pipe piles in view of the shortcomings of the existing technology.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles comprises a machine base and a pipe die. A driving mechanism for the pipe die is mounted on the machine base. The machine base is characterized in that a movable feeding mechanism for feeding material into the pipe die is provided at one end of the pipe die, a roller pressing mechanism for compacting cement material is provided within the pipe die, and a vibration mechanism for cooperating with the roller pressing mechanism to compact the cement material is mounted on the roller support mechanism.

[0006] The roller pressing mechanism includes a roller body, an active end column mechanism provided at one end of the roller body, and a driven end column mechanism provided at the other end of the roller body, and both ends of the roller body are respectively mounted on the active end column mechanism and the driven end column mechanism; the roller body is provided with a cylindrical roller body, and roller sleeves are mounted at both ends of the roller body; the active end column mechanism and the driven end column mechanism both include a box body provided with a door panel, a rocker arm is hinged on the box body on one side of the door panel, and an oil cylinder for driving the rocker arm is mounted in the box body, the oil cylinder is vertically arranged, the piston rod of the oil cylinder is hinged to the inner end of the rocker arm, the outer end of the rocker arm of the driven end column mechanism is connected to the roller sleeve through a claw mechanism, and the outer end of the rocker arm of the active end column mechanism is fixedly connected to the roller sleeve;

[0007] The excitation mechanism includes an excitation base and an excitation beam. The two ends of the excitation beam are installed on the excitation base through an elastic mechanism. The excitation base is fixed on the machine base. The excitation beam is equipped with a roller group for supporting the pipe mold. The excitation base is equipped with a height adjustment mechanism for adjusting the initial height of the excitation beam.

[0008] The technical problem to be solved by the present invention can also be achieved through the following technical scheme. A rocker arm limit mechanism is installed in the box body of the active end column mechanism. The rocker arm limit mechanism includes an upper limit seat arranged above the rocker arm and a lower limit seat arranged below the rocker arm. A swing space for the rocker arm to swing up and down is provided between the upper limit seat and the lower limit seat. The upper limit seat and the lower limit seat are fixed on the inner wall of the box body. Adjustment bolts for adjusting the up and down swing stroke of the rocker arm are inserted on the upper limit seat and the lower limit seat. A limiting part cooperating with the adjusting bolt is fixed to the inner end of the rocker arm.

[0009] The technical problem to be solved by the present invention can also be achieved through the following technical solution: the claw mechanism includes a fixed block fixed to the outer end of the rocker arm and a movable block cooperating with the fixed block, and a hydraulic cylinder for driving the movable block is installed on the rocker arm.

[0010] The technical problem to be solved by the present invention can also be achieved through the following technical solution: a safety protection mechanism for preventing the pipe mold from jumping out is installed on the machine base.

[0011] The technical problem to be solved by the present invention can also be achieved through the following technical solution, wherein the safety protection mechanism includes two groups of pressure wheel assemblies arranged side by side along the axis of the tube mold, each group of pressure wheel assemblies is provided with two pressure wheel mechanisms, and the two pressure wheel mechanisms are arranged on both sides of the tube mold. Each pressure wheel mechanism includes a pressure wheel pressed on the upper outer side of the tube mold, a swing arm for installing the pressure wheel, a column for installing the pressure wheel swing arm, and a driving cylinder for driving the pressure wheel.

[0012] The technical problem to be solved by the present invention can also be achieved through the following technical solution, wherein the elastic mechanism includes a spring arranged between the excitation base and the excitation beam, and a positioning rod is hinged on the excitation base and passes upward through the spring and the excitation beam, and a gasket and a nut are installed on the upper end of the positioning rod.

[0013] The technical problem to be solved by the present invention can also be achieved through the following technical solution, wherein the height adjustment mechanism includes an adjustment bracket, one end of the adjustment bracket is fixed to the middle of the excitation beam, and the other end of the adjustment bracket is hinged to the excitation base, and the excitation base is provided with a flexible rope connected to the middle of the adjustment bracket for adjusting the height of the excitation beam.

[0014] The technical problem to be solved by the present invention can also be achieved through the following technical solution: a limit cylinder cooperating with the flexible rope is provided on the vibration base, the cylinder body of the limit cylinder is fixed on the vibration base, and the piston rod of the limit cylinder is provided with a lifting ear connected to the flexible rope.

[0015] The technical problem to be solved by the present invention can also be achieved through the following technical solution. The mobile feeding mechanism includes a frame, a track installed on the frame, a mobile trolley installed on the track, a hopper and a screw conveyor installed on the mobile trolley. The screw conveyor and the track are arranged along the axis of the pipe mold. One end of the screw conveyor is connected to the discharge port at the bottom of the hopper, and the other end of the screw conveyor is provided with a discharge port and extends into the pipe mold.

[0016] Compared to existing technologies, the present invention utilizes a roller-pressing mechanism and a vibration mechanism to manufacture cement pipe piles by centrifuging, rolling, and vibrating cement raw materials within corresponding cement pipe molds. The high-speed centrifugal forming machine for producing long-section, large pipe piles of the present invention features high-quality, long-length, fast, and successful cement pipe pile formation. It also features easy overall layout, a simple process system, low capital investment, low energy consumption, low noise levels, simple operation, and a high degree of intelligent integration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] FIG1 is a structural diagram of the high-speed centrifugal forming machine of the present invention;

[0018] FIG2 is a partial view of FIG1;

[0019] FIG3 is a left side view of FIG1;

[0020] Figure 4 is a structural diagram of the roller pressing mechanism;

[0021] Figure 5 is a structural diagram of the rocker arm limiting mechanism;

[0022] FIG6 is a structural diagram of the vibration excitation mechanism.

[0023] In the figure: 1-mobile trolley, 2-hopper, 3-screw conveyor, 4-track, 5-pressing wheel, 6-tube mold, 7-roller group, 8-pressing roller body, 9-swing arm, 10-driving cylinder, 11-box, 12-hydraulic cylinder, 13-movable block, 14-pressing roller sleeve, 15-rocker arm, 16-fixed block, 17-upper limit seat, 18-lower limit seat, 19-adjusting bolt, 20-vibration base, 21-vibration beam, 22-adjusting bracket, 23-positioning rod, 24-spring, 25-flexible rope, 26-oil cylinder, 27-limit cylinder, 28-lifting ear. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0026] 1-6, a high-speed centrifugal forming machine for producing long pipe sections and large pipe piles includes a machine base and a pipe mold 8. A driving mechanism for the pipe mold 8 is mounted on the machine base. The driving mechanism mainly consists of a motor, a reducer, a coupling, a device frame, a coupling cover, and other components. The motor and the reducer are connected through a coupling, and the motor and the reducer are fixed to the machine base by bolts and nuts.

[0027] A movable feeding mechanism for feeding materials into the pipe mold 8 is provided at one end of the pipe mold 8. The movable feeding mechanism includes a frame, a track 4 mounted on the frame, a mobile trolley 1 mounted on the track 4, a hopper 2 mounted on the mobile trolley 1, and a screw conveyor 3 connected to the hopper 2. The screw conveyor 3 and the track 4 are arranged along the axis of the pipe mold 8. One end of the screw conveyor 3 is connected to the discharge port at the bottom of the hopper 2. The other end of the screw conveyor 3 is provided with a discharge port and extends into the pipe mold 8.

[0028] A roller pressing mechanism for compacting the cement material is provided in the tube mold 8, and a vibration mechanism for compacting the cement material in cooperation with the roller pressing mechanism is installed on the machine base;

[0029] The roller pressing mechanism includes a roller body 8, an active end column mechanism provided at one end of the roller body 8, and a driven end column mechanism provided at the other end of the roller body 8, and the two ends of the roller body 8 are respectively mounted on the active end column mechanism and the driven end column mechanism; the roller body 8 is provided with a cylindrical roller body, and roller sleeves 14 are installed at both ends of the roller body; the active end column mechanism and the driven end column mechanism both include a box body 11 with a door panel, a rocker arm 15 is hinged on the box body 11 on one side of the door panel, and an oil cylinder 26 for driving the rocker arm 15 is installed in the box body 11, the oil cylinder 26 is vertically arranged, and the piston rod of the oil cylinder 26 is hinged to the inner end of the rocker arm 15, the outer end of the rocker arm of the driven end column mechanism is connected to the roller sleeve 14 through a claw mechanism, and the outer end of the rocker arm of the active end column mechanism is fixedly connected to the roller sleeve 14;

[0030] A rocker arm limiting mechanism is installed in the box body of the active end column mechanism, and the rocker arm limiting mechanism includes an upper limit seat 17 provided above the rocker arm and a lower limit seat 18 provided below the rocker arm. A swing space for the rocker arm to swing up and down is provided between the upper limit seat 17 and the lower limit seat 18. The upper limit seat 17 and the lower limit seat 18 are fixed on the inner wall of the box body. An adjusting bolt 19 for adjusting the up and down swing stroke of the rocker arm is inserted on the upper limit seat and the lower limit seat. A limiting portion cooperating with the adjusting bolt is fixed at the inner end of the rocker arm.

[0031] The clamping mechanism includes a fixed clamping block 16 fixed to the outer end of the rocker arm and a movable clamping block 13 cooperating with the fixed clamping block 16. A hydraulic cylinder 12 for driving the movable clamping block is installed on the rocker arm 15.

[0032] A safety mechanism is installed on the machine base to prevent the mold from jumping out in the event of an emergency. This mechanism includes two sets of pressure roller assemblies arranged side by side along the mold axis. Each set of pressure roller assemblies is equipped with two pressure roller mechanisms, located on either side of the mold. Each pressure roller mechanism includes a pressure roller 5 that presses against the outside of the mold, a swing arm 9 for mounting the pressure roller 5, a column for mounting the swing arm 9, and a drive cylinder 10 for driving the pressure roller 5.

[0033] The excitation mechanism includes an excitation base 20 and an excitation beam 21. The excitation beam 21 is mounted on the excitation base 20 at both ends via elastic mechanisms. The excitation base 20 is fixed to the machine base. The excitation beam 21 is mounted with a roller assembly 7 for supporting the pipe mold. The excitation base 20 is also equipped with a height adjustment mechanism for adjusting the initial height of the excitation beam 21. The excitation mechanism primarily provides the excitation force required for the pipe mold. The formation of cement pipe piles requires vibration, which evenly distributes the cement material and improves quality.

[0034] The elastic mechanism includes a spring arranged between the excitation base and the excitation beam. A positioning rod is hinged on the excitation base and passes upward through the spring and the excitation beam. A gasket and a nut are installed on the upper end of the positioning rod.

[0035] The height adjustment mechanism includes an adjusting bracket 22, one end of the adjusting bracket 22 is fixed to the middle of the excitation beam 21, and the other end of the adjusting bracket 22 is hinged to the excitation base 20. The excitation base 20 is provided with a flexible rope 25 connected to the middle of the adjusting bracket 22 for adjusting the height of the excitation beam. The excitation base 20 is provided with a limiting cylinder 27 that cooperates with the flexible rope. The cylinder body of the limiting cylinder 27 is fixed to the excitation base 20, and the piston rod of the limiting cylinder 27 is provided with a lifting ear 28 connected to the flexible rope.

[0036] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles, comprising a machine base and a pipe mold, wherein a driving mechanism of the pipe mold is installed on the machine base, characterized in that: A movable feeding mechanism for feeding materials into the tube mold is provided at one end of the tube mold, a roller pressing mechanism for compacting cement materials is provided in the tube mold, and a vibration mechanism for compacting cement materials in cooperation with the roller pressing mechanism is installed on the machine base; The roller pressing mechanism includes a roller body, an active end column mechanism provided at one end of the roller body, and a driven end column mechanism provided at the other end of the roller body, and both ends of the roller body are respectively mounted on the active end column mechanism and the driven end column mechanism; the roller body is provided with a cylindrical roller body, and roller sleeves are mounted at both ends of the roller body; the active end column mechanism and the driven end column mechanism both include a box body provided with a door panel, a rocker arm is hinged on the box body on one side of the door panel, and an oil cylinder for driving the rocker arm is mounted in the box body, the oil cylinder is vertically arranged, the piston rod of the oil cylinder is hinged to the inner end of the rocker arm, the outer end of the rocker arm of the driven end column mechanism is connected to the roller sleeve through a claw mechanism, and the outer end of the rocker arm of the active end column mechanism is fixedly connected to the roller sleeve; The excitation mechanism includes an excitation base and an excitation beam. The two ends of the excitation beam are installed on the excitation base through an elastic mechanism. The excitation base is fixed on the machine base. The excitation beam is equipped with a roller group for supporting the pipe mold. The excitation base is equipped with a height adjustment mechanism for adjusting the initial height of the excitation beam.

2. A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: A rocker arm limiting mechanism is installed in the box body of the active end column mechanism, and the rocker arm limiting mechanism includes an upper limit seat provided above the rocker arm and a lower limit seat provided below the rocker arm, and a swing space for the rocker arm to swing up and down is provided between the upper limit seat and the lower limit seat, and the upper limit seat and the lower limit seat are fixed on the inner wall of the box body, and the upper limit seat and the lower limit seat are both inserted with adjusting bolts for adjusting the up and down swing stroke of the rocker arm, and a limiting part cooperating with the adjusting bolt is fixed to the inner end of the rocker arm.

3. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: The clamping claw mechanism includes a fixed clamping block fixed to the outer end of the rocker arm and a movable clamping block matched with the fixed clamping block. A hydraulic cylinder for driving the movable clamping block is installed on the rocker arm.

4. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: A safety protection mechanism for preventing the pipe mold from jumping out is installed on the machine base.

5. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 4, characterized in that: The safety protection mechanism includes two groups of pressure wheel assemblies arranged side by side along the axis of the pipe mold, each group of pressure wheel assemblies is provided with two pressure wheel mechanisms, and the two pressure wheel mechanisms are arranged on both sides of the pipe mold. Each pressure wheel mechanism includes a pressure wheel pressed on the upper outer side of the pipe mold, a swing arm for installing the pressure wheel, a column for installing the pressure wheel swing arm, and a driving cylinder for driving the pressure wheel.

6. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: The elastic mechanism includes a spring arranged between the excitation base and the excitation beam. A positioning rod is hinged on the excitation base and passes upward through the spring and the excitation beam. A gasket and a nut are installed on the upper end of the positioning rod.

7. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: The height adjustment mechanism includes an adjustment bracket, one end of which is fixed to the middle of the exciting beam and the other end is hinged to the exciting base. The exciting base is provided with a flexible rope connected to the middle of the adjustment bracket for adjusting the height of the exciting beam.

8. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 7, characterized in that: A limit cylinder matched with the flexible rope is provided on the vibration base, a cylinder body of the limit cylinder is fixed on the vibration base, and a lifting lug connected with the flexible rope is provided on the piston rod of the limit cylinder.

9. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles according to claim 1, characterized in that: The movable feeding mechanism includes a frame, a track installed on the frame, a mobile trolley installed on the track, a hopper installed on the mobile trolley and a screw conveyor. The screw conveyor and the track are arranged along the axis of the pipe mold. One end of the screw conveyor is connected to the discharge port at the bottom of the hopper, and the other end of the screw conveyor is provided with a discharge port and extends into the pipe mold.

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