Horizontal rectangular pipe forming machine

Abstract

The horizontal rectangular pipe forming machine is characterized in that two rotating supports are arranged on a machine base, an outer mold assembly is fixed between the two rotating supports, the two rotating supports drive the outer mold assembly to rotate through a driving assembly, the outer mold assembly is of a hollow cavity structure, and the inner wall of the hollow cavity structure is provided with a plurality of water permeable holes; the outer die assembly is connected with a vacuum pump through a pipeline, a roller shaft supporting base and a roller shaft base are arranged at the two ends of the machine base respectively and installed at the two ends of a roller shaft respectively, and the roller shaft rotates along with the outer die assembly, extrudes the inner wall of the rectangular pipe through gravity and ascends and descends vertically. Fireproof and other light materials can be added to achieve extrusion forming of the product, the inner wall of the product is attractive, and the produced product is high in strength.

Description

Technical Field

[0001] The invention relates to flue production technology, in particular to a horizontal rectangular tube forming machine. Background Art

[0002] There are two common methods for manufacturing rectangular pipe products in the market. One is inner and outer mold forming, in which the inner mold is set inside a "U"-shaped outer mold, and the mortar is not injected from the top for vibration forming. This process solves the problem of one-time forming of rectangular pipes, but when producing fire-proof lightweight materials, due to the limited gap in the frame, the lightweight material cannot vibrate when vibrating, and it is easy to float on the upper layer and cannot be formed. The other is a roller-type rectangular pipe forming method. This method utilizes the rotation of the inner mold, vacuum water absorption, and contoured movement of the roller shaft to realize rectangular pipe forming. This method can produce lightweight fire-proof pipes, but its disadvantage is that the four corners of the rectangular product are rounded due to the rolling process, and the inner wall of the product is not beautiful due to the internal water absorption molding. Summary of the Invention

[0003] In response to the problems existing in the prior art, the present invention provides a horizontal rectangular tube forming machine that can add lightweight materials such as fireproof materials to achieve extrusion molding of products, and the inner wall of the products is beautiful and the products produced are high in strength.

[0004] The purpose of the present invention is achieved through the following technical solutions.

[0005] A horizontal rectangular tube forming machine includes a machine base, two rotating supports are provided on the machine base, an outer mold assembly is fixed between the two rotating supports, the two rotating supports drive the outer mold assembly to rotate through a driving assembly, the outer mold assembly is a hollow cavity structure with a plurality of water-permeable holes on the inner wall, the outer mold assembly is connected to a vacuum pump through a pipeline, a roller support seat and a roller seat are respectively provided at both ends of the machine base, the roller support seat and the roller seat are respectively installed at both ends of the roller, and the roller squeezes the inner wall of the rectangular tube by gravity and rises and falls as the outer mold assembly rotates.

[0006] The outer mold assembly is composed of two L-shaped hollow cavities, both ends of the outer mold assembly are fixed by a fixture, and the two L-shaped hollow cavities are provided with water outlets.

[0007] The outer mold assembly is formed by four hollow cavities, and the two ends of the outer mold assembly are fixed by a jig. The four hollow cavities are provided with water outlets. Three of them are combined into a U-shaped assembly, and the other one serves as the upper cavity cover plate of the U-shaped assembly. An oil top is provided on the upper cavity cover plate of the U-shaped assembly, and the oil top is used to press down the upper cavity cover plate to seal the outer mold assembly.

[0008] The outer mold assembly is fixed by an outer support connecting frame, the vacuum pump is fixed to the support connecting frame, and two ends of the support connecting frame are respectively connected to two rotating supports and rotate with the outer mold assembly.

[0009] A layer of filter cloth is provided on the inner wall of the outer mold component.

[0010] The roller shaft is covered with a roller sleeve, and the roller sleeve is provided with grooves or convex ribs.

[0011] The roller support seat includes a support sleeve seat bracket, a sliding shaft is provided in the support sleeve, a sliding wheel is provided on the sliding shaft, a pressure wheel is provided on the sliding wheel, and the pressure wheel is provided on the locking wrench to realize the opening and closing of the pressure wheel. The sliding wheel and the pressure wheel cooperate to fix one end of the roller shaft, and the sliding shaft moves up and down in the support sleeve with the roller shaft.

[0012] The roller seat includes a roller seat bracket, a slide rail is provided on the roller seat bracket, a slider is installed on the slide rail, a bearing seat is fixed on the slider, the bearing seat is fixed to the other end of the roller, and a lifting top is installed under the slider, the lifting top pushes the slider to drive the roller to rise so that it can enter the outer mold assembly.

[0013] A slideway is provided below the roller seat, and the roller seat moves along the slideway to send the roller into the outer mold assembly.

[0014] A roller motor is provided on the roller seat, the roller motor is connected to the roller, and the roller motor is used to drive the roller to rotate.

[0015] Compared with the prior art, the advantages of the present invention are: the present invention drives the roller into the interior of the outer mold assembly through the roller seat until one end of the roller is pressed between the sliding wheel of the roller support seat and the pressure wheel to achieve positioning; under the action of gravity, the roller moves up and down while the outer mold assembly rotates; after the material is injected through one end of the outer mold assembly, the vacuum pump is turned on, and the mixture will be adsorbed on the inner wall of the outer mold assembly; at the same time, the roller extrude the material adsorbed on the inner wall due to gravity; at this time, the outer mold assembly and the roller continue to rotate, and the wall thickness continues to increase until the set thickness is reached, thereby realizing the extrusion molding of the product, and the inner wall of the product is beautiful, and the produced product has high strength; the horizontal extrusion design of the present invention can add lightweight materials such as fireproofing, and the lightweight material will not float up; grooves or ribs are provided on the roller sleeve to make the product have different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of Example 1 of the present invention.

[0017] Figure 2 This is a schematic diagram of the outer mold assembly of Example 1 of the present invention.

[0018] Figure 3 This is a schematic diagram of the outer mold assembly of Example 2 of the present invention.

[0019] Figure 4 This is a schematic diagram of the roller support seat of the present invention.

[0020] In the figure: 1. Machine base, 2. Rotary support, 3. Outer mold assembly, 4. Roller, 5. Drive assembly, 6. Vacuum pump, 7. Support seat, 8. Roller seat, 9. Slide, 10. Roller sleeve, 11. Oil top, 3-1. Hollow cavity, 3-2. Water outlet, 3-3. Jig, 3-4. Filter cloth; 7-1. Support sleeve seat, 7-2. Sliding shaft, 7-3. Sliding wheel, 7-4. Pressure wheel, 7-5, Locking wrench, 8-1. Roller seat bracket, 8-2. Bearing seat, 8-3. Slider, 8-4. Slide rail. DETAILED DESCRIPTION

[0021] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Example

[0022] like Figure 1 As shown, a horizontal rectangular tube forming machine includes a machine base, two rotating supports are provided on the machine base, an outer mold assembly is fixed between the two rotating supports, the two rotating supports drive the outer mold assembly to rotate through a driving assembly, the outer mold assembly is a hollow cavity structure with a plurality of water-permeable holes on the inner wall, the outer mold assembly is connected to a vacuum pump through a pipeline, a roller support seat and a roller seat are respectively provided at both ends of the machine base, the roller support seat and the roller seat are respectively installed at both ends of the roller, and the roller squeezes the inner wall of the rectangular tube by gravity and rises and falls as the outer mold assembly rotates.

[0023] like Figure 2 As shown, the outer mold assembly is formed by four hollow cavities, the two ends of the outer mold assembly are fixed by a jig, and the four hollow cavities are provided with water outlets. Three of them are combined into a U-shaped assembly, and the other one serves as the upper cavity cover plate of the U-shaped assembly. An oil top is provided on the upper cavity cover plate of the U-shaped assembly, and the oil top is used to press down the upper cavity cover plate to seal the outer mold assembly.

[0024] The outer mold assembly is fixed by an outer support connecting frame, the vacuum pump is fixed to the support connecting frame, and two ends of the support connecting frame are respectively connected to two rotating supports and rotate with the outer mold assembly.

[0025] A layer of filter cloth is provided on the inner wall of the outer mold component.

[0026] The roller shaft is covered with a roller sleeve, and the roller sleeve is provided with grooves or convex ribs.

[0027] like Figure 4As shown, the roller support seat includes a support sleeve seat bracket, a sliding shaft is provided in the support sleeve, a sliding wheel is provided on the sliding shaft, a pressure wheel is provided on the sliding wheel, and the pressure wheel is provided on the locking wrench to realize the opening and closing of the pressure wheel. The sliding wheel and the pressure wheel cooperate to fix one end of the roller shaft, and the sliding shaft moves up and down in the support sleeve with the roller shaft.

[0028] The roller seat includes a roller seat bracket, a slide rail is provided on the roller seat bracket, a slider is installed on the slide rail, a bearing seat is fixed on the slider, the bearing seat is fixed to the other end of the roller, and a lifting top is installed under the slider, the lifting top pushes the slider to drive the roller to rise so that it can enter the outer mold assembly.

[0029] A slideway is provided below the roller seat, and the roller seat moves along the slideway to send the roller into the outer mold assembly.

[0030] A roller motor is provided on the roller seat, the roller motor is connected to the roller, and the roller motor is used to drive the roller to rotate.

[0031] Working process: First, place a layer of filter cloth on the inner side of the outer mold assembly, and at the same time place the cage-shaped steel wire mesh inside the outer mold assembly. Close the outer mold assembly (oil top presses down to seal) and place it into the support connecting frame and connect it fixedly, drive the roller seat to move on the slide to send the roller into the inner part of the outer mold assembly until the other end of the roller is positioned between the sliding wheel and the pressure wheel in the roller support seat (lifting top adjusts the roller height), and connect the water outlet on the outer mold cavity to the vacuum pump respectively. At this time, turn on the driving mechanism to drive the support connecting frame and the outer mold assembly to rotate, and inject material into the outer mold assembly from one end. At this time, the material is adsorbed on the inner wall of the outer mold assembly under the action of the vacuum pump. At the same time, the roller and roller sleeve squeeze the material toward the inner wall of the outer mold assembly under the action of gravity. The roller and roller sleeve rise and fall with the rotation of the outer mold assembly. The roller motor drives the roller to rotate until the material reaches the set thickness. The roller sleeve is provided with grooves or ribs to make the product have different thicknesses; after completion, lift the roller and pull it out of the outer mold assembly, stop the rotation of the outer mold assembly and turn off the vacuum pump to complete the product production, repeat the above operations, and continue to produce the next product. Example

[0032] like Figure 3 As shown, the difference from Example 1 is that the outer mold assembly is composed of two L-shaped hollow cavities, both ends of the outer mold assembly are fixed by a fixture, and water outlets are provided on the two L-shaped hollow cavities.

Claims

1. A horizontal rectangular tube forming machine, comprising a machine base, characterized in that Two rotating supports are provided on the machine base, and an outer mold assembly is fixed between the two rotating supports. The two rotating supports drive the outer mold assembly to rotate through the driving assembly. The outer mold assembly is a hollow cavity structure with a plurality of water-permeable holes on the inner wall. The outer mold assembly is connected to a vacuum pump through a pipeline. A roller support seat and a roller seat are respectively provided at both ends of the machine base. The roller support seat and the roller seat are respectively installed at both ends of the roller. As the outer mold assembly rotates, the roller squeezes the inner wall of the rectangular tube by gravity and rises and falls.

2. A horizontal rectangular tube forming machine according to claim 1, characterized in that The outer mold assembly is composed of two L-shaped hollow cavities, both ends of the outer mold assembly are fixed by a fixture, and water outlets are provided on the two L-shaped hollow cavities.

3. A horizontal rectangular tube forming machine according to claim 1, characterized in that The outer mold assembly is formed by four hollow cavities, and the two ends of the outer mold assembly are fixed by a jig. The four hollow cavities are provided with water outlets. Three of them are combined into a U-shaped assembly, and the other one serves as the upper cavity cover plate of the U-shaped assembly. An oil top is provided on the upper cavity cover plate of the U-shaped assembly, and the oil top is used to press down the upper cavity cover plate to seal the outer mold assembly.

4. A horizontal rectangular tube forming machine according to claim 2 or 3, characterized in that The outer mold assembly is fixed by an outer support connecting frame, the vacuum pump is fixed to the support connecting frame, and two ends of the support connecting frame are respectively connected to two rotating supports and rotate with the outer mold assembly.

5. A horizontal rectangular tube forming machine according to claim 2 or 3, characterized in that A layer of filter cloth is provided on the inner wall of the outer mold component.

6. A horizontal rectangular tube forming machine according to claim 1, characterized in that The roller shaft is covered with a roller sleeve, and the roller sleeve is provided with grooves or convex ribs.

7. The horizontal rectangular tube forming machine according to claim 1, characterized in that The roller support seat includes a support sleeve seat bracket, a sliding shaft is provided in the support sleeve, a sliding wheel is provided on the sliding shaft, a pressure wheel is provided on the sliding wheel, and the pressure wheel is provided on the locking wrench to realize the opening and closing of the pressure wheel. The sliding wheel and the pressure wheel cooperate to fix one end of the roller shaft, and the sliding shaft moves up and down in the support sleeve with the roller shaft.

8. A horizontal rectangular tube forming machine according to claim 7, characterized in that The roller seat includes a roller seat bracket, a slide rail is provided on the roller seat bracket, a slider is installed on the slide rail, a bearing seat is fixed on the slider, the bearing seat is fixed to the other end of the roller, and a lifting top is installed under the slider, the lifting top pushes the slider to drive the roller to rise so that it can enter the outer mold assembly.

9. A horizontal rectangular tube forming machine according to claim 7 or 8, characterized in that A slideway is provided below the roller seat, and the roller seat moves along the slideway to send the roller into the outer mold assembly.

10. A horizontal rectangular tube forming machine according to claim 9, characterized in that A roller motor is provided on the roller seat, the roller motor is connected to the roller, and the roller motor is used to drive the roller to rotate.

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