High-speed centrifugal forming machine for producing long-pipe-joint large-pipe pile

Abstract

The high-speed centrifugal forming machine comprises a machine base and a pipe die, a movable feeding mechanism for feeding materials into the pipe die is arranged at one end of the pipe die, and a rolling compression roller mechanism for compressing cement materials is arranged in the pipe die. The machine base is provided with a vibration excitation mechanism which is matched with the rolling compression roller mechanism to tamp cement materials. The rolling compression roller mechanism comprises a compression roller body, a driving end stand column mechanism arranged at one end of the compression roller body and a driven end stand column mechanism arranged at the other end of the compression roller body. The shock excitation mechanism comprises a shock excitation base and a shock excitation beam, the two ends of the shock excitation beam are installed on the shock excitation base through elastic mechanisms, and a roller set used for supporting the pipe die is installed on the shock excitation beam. According to the machine, the rolling compression roller mechanism and the excitation mechanism are arranged, cement raw materials are centrifuged, rolled and excited in corresponding cement pipe molds to manufacture cement pipe piles, the whole machine is convenient to arrange, capital construction investment is saved, energy consumption is low, noise is low, operation is easy, and the intelligent integration degree is high.

Description

Technical Field

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

[0002] Traditional cement pipe pile centrifugal forming machines mainly produce short-section pipe piles, such as concrete pipes with a length of 2-5m. Its structure mainly includes pipe molds, drive mechanisms, roller group supports, etc. With the continuous development of the times, the continuous improvement of demand and the increasing large-scale equipment, as well as the need for high-quality port construction, higher requirements are put forward for the production of cement pipe piles, and the existing cement pipe pile centrifugal forming machines cannot adapt to the production of long pipe section large pipe piles, such as 8m long pipe section large pipe piles. Due to the long length of the pipe piles, higher requirements are put forward for the 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 section large pipe piles in view of the deficiencies in the prior art.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles, comprising a machine base and a pipe mold, a driving mechanism of the pipe mold is installed on the machine base, and the characteristics are that a movable feeding mechanism for feeding materials into the pipe mold is provided at one end of the pipe mold, a roller pressing mechanism for compacting cement materials is provided in the pipe mold, and a vibration mechanism for compacting cement materials in cooperation with the roller pressing mechanism is installed on the roller support mechanism; The roller pressing mechanism comprises a roller body, an active end column mechanism arranged at one end of the roller body, and a driven end column mechanism arranged at the other end of the roller body, and the two 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 installed at both ends of the roller body; the active end column mechanism and the driven end column mechanism both comprise 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 installed in the box body, the oil cylinder is vertically arranged, and 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. Both ends of the excitation beam are installed on the excitation base through an elastic mechanism. The excitation base is fixed on the machine base. A roller group for supporting the pipe mold is installed on the excitation beam. A height adjustment mechanism for adjusting the initial height of the excitation beam is installed on the excitation base.

[0005] 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, and 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, 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 adjustment bolts for adjusting the up and down swing stroke of the rocker arm, and a limiting portion cooperating with the adjusting bolt is fixed at the inner end of the rocker arm.

[0006] 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.

[0007] The technical problem to be solved by the present invention can also be achieved by the following technical solution: a safety protection mechanism for preventing the tube mold from jumping out is installed on the machine base.

[0008] The technical problem to be solved by the present invention can also be achieved through the following technical scheme, wherein the safety protection mechanism includes two groups of pressing wheel assemblies arranged side by side along the axis of the tube mold, each group of pressing wheel assemblies is provided with two pressing wheel mechanisms, and the two pressing wheel mechanisms are arranged on both sides of the tube mold, and each pressing wheel mechanism includes a pressing wheel pressed on the upper outer side of the tube mold, a swing arm for installing the pressing wheel, a column for installing the pressing wheel swing arm, and a driving cylinder for driving the pressing wheel.

[0009] The technical problem to be solved by the present invention can also be achieved through the following technical scheme, 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, and a gasket and a nut are installed on the upper end of the positioning rod.

[0010] The technical problem to be solved by the present invention can also be achieved through the following technical scheme, the height adjustment mechanism includes an adjusting bracket, one end of the adjusting bracket is fixed to the middle part of the exciting beam, the other end of the adjusting bracket is hinged to the exciting base, and the exciting base is provided with a flexible rope connected to the middle part of the adjusting bracket for adjusting the height of the exciting beam.

[0011] 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 a lifting ear connected to the flexible rope is provided on the piston rod of the limit cylinder.

[0012] The technical problem to be solved by the present invention can also be achieved through the following technical scheme. 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.

[0013] Compared with the prior art, the present invention provides a machine for manufacturing cement pipe piles by setting a roller pressing mechanism and an exciting mechanism, centrifuging, rolling and exciting cement raw materials in a corresponding cement pipe mold. The high-speed centrifugal forming machine for producing long pipe sections and large pipe piles of the present invention has high cement pipe pile forming quality, long length, fast cement pipe pile forming speed and high success rate; the overall layout is convenient, the process system is simple, the infrastructure investment is small, the energy consumption is low, the noise is low, the operation is simple, and the intelligent integration is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the high-speed centrifugal forming machine of the present invention; Figure 2 for Figure 1 A partial map of Figure 3 for Figure 1 Left view of Figure 4 It is a structural diagram of the roller pressing mechanism; Figure 5 It is the structural diagram of the rocker arm limiting mechanism; Figure 6 This is the structural diagram of the excitation mechanism.

[0015] 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

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

[0017] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] Reference Figure 1-6 A high-speed centrifugal forming machine for producing long pipe sections and large pipe piles comprises a machine base and a pipe mold 8. A driving mechanism of the pipe mold 8 is mounted on the machine base. The driving mechanism is mainly composed of a motor, a reducer, a coupling, a device frame, a coupling cover and other parts. The motor and the reducer are connected through a coupling, and the motor and the reducer are fixed to the machine base through bolts and nuts. A mobile feeding mechanism for feeding materials into the tube mold 8 is provided at one end of the tube mold 8, and the mobile feeding mechanism includes a frame, a track 4 installed on the frame, a mobile trolley 1 installed on the track 4, a hopper 2 installed 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 tube mold 8, one end of the screw conveyor 3 is connected to the discharge port at the bottom of the hopper 2, and the other end of the screw conveyor 3 is provided with a discharge port and extends into the tube mold 8; A roller pressing mechanism for compacting cement material is provided in the tube mold 8, and a vibration mechanism for compacting cement material in cooperation with the roller pressing mechanism is installed on the machine base; The roller pressing mechanism comprises a roller body 8, an active end column mechanism arranged at one end of the roller body 8, and a driven end column mechanism arranged 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 comprise a box body 11 provided with a door panel, a rocker arm 15 is hinged on the box body 11 on one side of the door panel, and a cylinder 26 for driving the rocker arm 15 is installed in the box body 11, the cylinder 26 is vertically arranged, and the piston rod of the 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; 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 arranged above the rocker arm and a lower limit seat 18 arranged 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. Adjustment bolts 19 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 portion cooperating with the adjusting bolt is fixed at the inner end of the rocker arm.

[0019] The claw mechanism comprises 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 , and a hydraulic cylinder 12 for driving the movable clamping block is installed on the rocker arm 15 .

[0020] A safety protection mechanism for preventing the tube mold from jumping out is installed on the machine base, which is intended to prevent the tube mold from jumping out in an emergency and causing a safety accident. The safety protection mechanism includes two groups of pressing wheel assemblies arranged side by side along the axis of the tube mold, each group of pressing wheel assemblies is provided with two pressing wheel mechanisms, and the two pressing wheel mechanisms are arranged on both sides of the tube mold. Each pressing wheel mechanism includes a pressing wheel 5 pressed on the outer side of the tube mold, a swing arm 9 for installing the pressing wheel 5, a column for installing the swing arm 9, and a driving cylinder 10 for driving the pressing wheel 5.

[0021] The excitation mechanism includes an excitation base 20 and an excitation beam 21. Both ends of the excitation beam 21 are mounted on the excitation base 20 through an elastic mechanism. The excitation base 20 is fixed on the machine base. The excitation beam 21 is mounted with a roller group 7 for supporting the pipe mold. The excitation base 20 is mounted with a height adjustment mechanism for adjusting the initial height of the excitation beam 21. The excitation mechanism mainly provides the excitation force required by the pipe mold. The molding of cement pipe piles requires the effect of vibration. Vibration can make the cement material evenly distributed and improve the quality.

[0022] The elastic mechanism comprises a spring arranged between the exciting base and the exciting beam. A positioning rod is hinged on the exciting base and passes upward through the spring and the exciting beam. A gasket and a nut are arranged on the upper end of the positioning rod.

[0023] The height adjustment mechanism includes an adjusting bracket 22, one end of which 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.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope 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 comprises a roller body, an active end column mechanism arranged at one end of the roller body, and a driven end column mechanism arranged at the other end of the roller body, and the two 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 installed at both ends of the roller body; the active end column mechanism and the driven end column mechanism both comprise 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 installed in the box body, the oil cylinder is vertically arranged, and 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. Both ends of the excitation beam are installed on the excitation base through an elastic mechanism. The excitation base is fixed on the machine base. A roller group for supporting the pipe mold is installed on the excitation beam. A height adjustment mechanism for adjusting the initial height of the excitation beam is installed on the excitation base.

2. A high-speed centrifugal forming machine for producing long pipe section 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 arranged above the rocker arm and a lower limit seat arranged below the rocker arm, and a swing space for the rocker arm to swing up and down is arranged 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 at the inner end of the rocker arm.

3. The high-speed centrifugal forming machine for producing long pipe section and large pipe pile according to claim 1, characterized in that: The clamping claw mechanism comprises a fixed clamping block fixed on 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 section and large pipe pile 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. A high-speed centrifugal forming machine for producing long pipe section and large pipe piles according to claim 4, characterized in that: The safety protection mechanism includes two groups of pressing wheel assemblies arranged side by side along the axis of the tube mold, each group of pressing wheel assemblies is provided with two pressing wheel mechanisms, the two pressing wheel mechanisms are arranged on both sides of the tube mold, and each pressing wheel mechanism includes a pressing wheel pressed on the upper outer side of the tube mold, a swing arm for installing the pressing wheel, a column for installing the pressing wheel swing arm, and a driving cylinder for driving the pressing wheel.

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

7. The high-speed centrifugal forming machine for producing long pipe section and large pipe pile according to claim 1, characterized in that: The height adjustment mechanism comprises an adjustment bracket, one end of which is fixed to the middle of the exciting beam and the other end of which 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 section and large pipe pile according to claim 7, characterized in that: A limit cylinder matched with the flexible rope is arranged on the vibration base, a cylinder body of the limit cylinder is fixed on the vibration base, and a lifting ear connected with the flexible rope is arranged on the piston rod of the limit cylinder.

9. The high-speed centrifugal forming machine for producing long pipe section and large pipe pile according to claim 1, characterized in that: The mobile feeding mechanism includes a frame, a track installed on the frame, a moving trolley installed on the track, a hopper installed on the moving 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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