Extrusion mechanism for thermal insulation pipe production

Abstract

The utility model relates to the technical field of thermal insulation pipe production, and provides a thermal insulation pipe production extrusion mechanism which comprises a bottom plate, an extrusion barrel, a limiting ring, two cutting knives, an extrusion mechanism and a cutting mechanism, the extrusion barrel is fixedly connected to the bottom plate, a feeding port and a discharging port are formed in the extrusion barrel, the limiting ring is fixedly connected to the bottom plate, and the cutting knives are arranged on the bottom plate. The two cutting knives are arranged in the limiting ring, the extrusion mechanism comprises a rotating pipe, an extrusion paddle, a rotating wheel, a first motor and a driving belt, the cutting mechanism comprises a rotating ring, a rotating frame, a second motor and an expansion assembly, and the expansion assembly comprises a sliding block, a driving rod, a connecting frame and a first electric cylinder. The problems that in the prior art, pipes are easily flattened through the pressure of a cutter, so that the pipes are easily damaged, the production efficiency of heat preservation pipes is affected, and pipe raw materials are easily wasted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipe production, in particular to a thermal insulation pipe production extrusion mechanism. Background Art

[0002] Insulated pipe is the abbreviation of insulated pipe. Insulated pipe is used for the transportation of liquid, gas and other media. It is used for thermal insulation of pipelines in petroleum, chemical industry, central heating, central air conditioning, municipal and other fields. Insulated pipe needs to be extruded by an extruder during production.

[0003] After the extruder extrude the raw material of the thermal insulation pipe, the pipe needs to be cut. The existing cutting method is usually for the operator to cut the pipe with a handheld tool. However, right after the pipe is extruded, due to the high temperature, the pipe is relatively soft. When the operator cuts the pipe with a handheld tool, the pressure of the tool can easily flatten the pipe, which can easily cause damage to the pipeline, not only affecting the production efficiency of the thermal insulation pipe, but also easily causing waste of the raw materials of the pipe. Utility Model Content

[0004] The utility model provides an extrusion mechanism for producing thermal insulation pipes, which solves the problem in the related art that the pressure of the cutter easily flattens the pipe, thereby easily causing damage to the pipe, which not only affects the production efficiency of the thermal insulation pipes, but also easily causes waste of pipe raw materials.

[0005] The technical solution of the utility model is as follows: an extrusion mechanism for producing a thermal insulation pipe, comprising: a bottom plate, an extrusion barrel, a limiting ring, a cutting knife, an extrusion mechanism and a cutting mechanism;

[0006] The extrusion cylinder is fixedly connected to the bottom plate, and a feed inlet and a discharge outlet are provided on the extrusion cylinder;

[0007] The limiting ring is fixedly connected to the bottom plate;

[0008] There are two cutting knives, and both of the two cutting knives are arranged in the limiting ring;

[0009] The extrusion mechanism is arranged in the extrusion barrel and is used to extrude the raw material;

[0010] The cutting mechanism is arranged in the limiting ring and is used for cutting the pipe.

[0011] Preferably, the extrusion mechanism comprises: a rotating tube, an extrusion paddle, a rotating wheel, a first motor and a driving belt;

[0012] The rotating tube is rotatably connected in the extrusion cylinder;

[0013] The extrusion paddle is fixedly connected to the rotating tube;

[0014] There are two rotating wheels, both of which are arranged on the extruder, and one of the rotating wheels is fixedly connected to the rotating tube;

[0015] The first motor is arranged on the extruder barrel, and the output end of the first motor is fixedly connected to another rotating wheel;

[0016] The driving belt is connected between the two rotating wheels.

[0017] Further, the cutting mechanism includes: a rotating ring, a rotating frame, a second motor and an expansion assembly;

[0018] The rotating ring is rotatably connected in the rotating tube;

[0019] The rotating frame is fixedly connected in the rotating ring;

[0020] The second motor is arranged in the rotating tube, and the output end of the second motor is fixedly connected to the rotating frame;

[0021] The expansion assembly is arranged in the rotating frame and is used for driving the two cutting knives to expand.

[0022] Furthermore, the expansion assembly includes: a slider, a driving rod, a connecting frame and a first electric cylinder;

[0023] The two sliders are provided with two sliders, both of which are slidably arranged in the rotating frame, and the two cutting knives are rotatably connected to the two sliders respectively;

[0024] There are two driving rods, and the two driving rods are rotatably connected to the two sliders respectively;

[0025] The connecting frame is rotatably connected between the two driving rods;

[0026] The first electric cylinder is arranged in the rotating frame, and the output end of the first electric cylinder is fixedly connected to the connecting frame.

[0027] As a further solution of the present application, a feed box is fixedly connected to the feed port.

[0028] As a further solution of the present application, a slide groove is provided on the rotating frame, and the two sliding blocks are slidably arranged in the slide groove.

[0029] The working principle and beneficial effects of the utility model are:

[0030] 1. In the utility model, the first motor arranged on the extrusion barrel drives the rotating wheel to rotate, and the driving belt drives the rotating tube and the extrusion paddle to rotate, so as to extrude the raw materials.

[0031] 2. In the utility model, the first electric cylinder arranged in the rotating frame drives the connecting frame and the driving rod to move, thereby driving the two sliders and the two cutting knives to expand, so that the cutting knives are against the pipe, and the rotating frame is driven to rotate by the second motor, and the pipe is neatly cut through the support of the limit ring.

[0032] 3. In the utility model, through the cooperation among the bottom plate, the extrusion cylinder, the limiting ring, the cutting knife, the extrusion mechanism and the cutting mechanism, the pipe can be cut smoothly and quickly, thereby improving the processing efficiency of the pipe and reducing the waste of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0034] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0035] Figure 2 It is a structural schematic diagram of the utility model from another angle;

[0036] Figure 3 It is a schematic diagram of the structure of the utility model in cross section;

[0037] Figure 4 It is a structural schematic diagram of the cutting mechanism of the utility model.

[0038] In the figure: 1, bottom plate; 2, extrusion barrel; 3, limiting ring; 4, cutting knife; 5, rotating tube; 6, extrusion paddle; 7, rotating wheel; 8, first motor; 9, driving belt; 10, rotating ring; 11, rotating frame; 12, second motor; 13, slider; 14, driving rod; 15, connecting frame; 16, first electric cylinder; 17, feed box. DETAILED DESCRIPTION

[0039] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] like Figure 1~Figure 4As shown, this embodiment proposes an extrusion mechanism for producing an insulation pipe, comprising: a base plate 1, an extrusion barrel 2, a limiting ring 3, a cutting knife 4, an extrusion mechanism and a cutting mechanism, the extrusion barrel 2 is fixedly connected to the base plate 1, a feed port and a discharge port are provided on the extrusion barrel 2, a feed box 17 is fixedly connected to the feed port, the limiting ring 3 is fixedly connected to the base plate 1, two cutting knives 4 are provided, and the two cutting knives 4 are both arranged in the limiting ring 3, through the cooperation among the base plate 1, the extrusion barrel 2, the limiting ring 3, the cutting knife 4, the extrusion mechanism and the cutting mechanism, the pipe can be cut smoothly and quickly, thereby improving the processing efficiency of the pipe and reducing the waste of raw materials.

[0041] Among them, the extrusion mechanism is arranged in the extrusion barrel 2, which is used to extrude the raw material. The extrusion mechanism includes: a rotating tube 5, an extrusion paddle 6, a rotating wheel 7, a first motor 8 and a driving belt 9. The rotating tube 5 is rotatably connected in the extrusion barrel 2, the extrusion paddle 6 is fixedly connected to the rotating tube 5, and there are two rotating wheels 7. Both rotating wheels 7 are arranged on the extrusion barrel 2, one of which is fixedly connected to the rotating tube 5. The first motor 8 is arranged on the extrusion barrel 2, and the output end of the first motor 8 is fixedly connected to the other rotating wheel 7. The driving belt 9 is transmission-connected between the two rotating wheels 7. Specifically, the rotating wheel 7 is driven to rotate by the first motor 8 arranged on the extrusion barrel 2, and the rotating tube 5 and the extrusion paddle 6 are driven to rotate by the transmission of the driving belt 9, so as to extrude the raw material.

[0042] Among them, the cutting mechanism is arranged in the limit ring 3, which is used to cut the pipe. The cutting mechanism includes: a rotating ring 10, a rotating frame 11, a second motor 12 and an expansion component. The rotating frame 11 is provided with a slide groove, and two sliders 13 are slidably arranged in the slide groove. The rotating ring 10 is rotatably connected in the rotating tube 5, the rotating frame 11 is fixedly connected in the rotating ring 10, the second motor 12 is arranged in the rotating tube 5, and the output end of the second motor 12 is fixedly connected to the rotating frame 11. The expansion component is arranged in the rotating frame 11, and is used to drive the two cutting knives 4 to expand. The expansion component includes: a slider 13, a driving rod 14, a connecting frame 15 and a first electric cylinder 16. The slider 13 is provided with two, and the two sliders 13 are slidably arranged In the rotating frame 11, the two cutting knives 4 are rotatably connected to the two sliders 13 respectively, two driving rods 14 are provided, and the two driving rods 14 are rotatably connected to the two sliders 13 respectively, and the connecting frame 15 is rotatably connected between the two driving rods 14. The first electric cylinder 16 is arranged in the rotating frame 11, and the output end of the first electric cylinder 16 is fixedly connected to the connecting frame 15. Specifically, the first electric cylinder 16 arranged in the rotating frame 11 drives the connecting frame 15 and the driving rod 14 to move, thereby driving the two sliders 13 and the two cutting knives 4 to expand, so that the cutting knives 4 are against the pipe, and the rotating frame 11 is driven to rotate by the second motor 12, and the pipe is neatly cut through the support of the limit ring 3.

[0043] In this embodiment, when processing the pipe, the heated raw material is poured into the feed box 17 and enters into the extrusion barrel 2, and the rotating wheel 7 is driven to rotate by the first motor 8 arranged on the extrusion barrel 2, and the rotating tube 5 and the extrusion paddle 6 are driven to rotate through the transmission of the driving belt 9, so as to extrude the raw material, and the first electric cylinder 16 arranged in the rotating frame 11 drives the connecting frame 15 and the driving rod 14 to move, thereby driving the two sliders 13 and the two cutting knives 4 to expand, so that the cutting knives 4 are against the pipe, and the rotating frame is driven to rotate by the second motor 12, and the pipe is neatly cut through the support of the limit ring 3.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermal insulation pipe production extrusion mechanism, characterized in that: include: Bottom plate (1); An extrusion cylinder (2), the extrusion cylinder (2) being fixedly connected to the bottom plate (1), and the extrusion cylinder (2) being provided with a feed inlet and a discharge outlet; A limiting ring (3), the limiting ring (3) being fixedly connected to the base plate (1); A cutting knife (4), wherein two cutting knives (4) are provided, and both cutting knives (4) are arranged inside the limiting ring (3); An extrusion mechanism, the extrusion mechanism is arranged in the extrusion barrel (2) and is used to extrude the raw material; A cutting mechanism, the cutting mechanism being arranged in the limiting ring (3) and being used for cutting the pipe; The extrusion mechanism comprises: A rotating tube (5), the rotating tube (5) being rotatably connected inside the extrusion tube (2); An extrusion paddle (6), the extrusion paddle (6) being fixedly connected to the rotating tube (5); A rotating wheel (7), wherein two rotating wheels (7) are provided, and both rotating wheels (7) are arranged on the extrusion cylinder (2), and one of the rotating wheels (7) is fixedly connected to the rotating tube (5); a first motor (8), the first motor (8) being arranged on the extruder barrel (2), the output end of the first motor (8) being fixedly connected to the other rotating wheel (7); A driving belt (9), the driving belt (9) being drivingly connected between the two rotating wheels (7); The cutting mechanism comprises: A rotating ring (10), the rotating ring (10) being rotatably connected inside the rotating tube (5); A rotating frame (11), the rotating frame (11) being fixedly connected inside the rotating ring (10); a second motor (12), the second motor (12) being arranged in the rotating tube (5), the output end of the second motor (12) being fixedly connected to the rotating frame (11); An expansion component, the expansion component is arranged in the rotating frame (11) and is used to drive the two cutting knives (4) to expand.

2. A thermal insulation pipe production extrusion mechanism according to claim 1, characterized in that: The expansion assembly comprises: A slider (13), wherein two sliders (13) are provided, and both sliders (13) are slidably disposed in the rotating frame (11), and the two cutting knives (4) are rotatably connected to the two sliders (13) respectively; A driving rod (14), wherein two driving rods (14) are provided, and the two driving rods (14) are rotatably connected to the two sliding blocks (13) respectively; A connecting frame (15), the connecting frame (15) being rotatably connected between the two driving rods (14); A first electric cylinder (16), wherein the first electric cylinder (16) is arranged in the rotating frame (11), and an output end of the first electric cylinder (16) is fixedly connected to the connecting frame (15).

3. A thermal insulation pipe production extrusion mechanism according to claim 2, characterized in that: A feed box (17) is fixedly connected to the feed port.

4. A thermal insulation pipe production extrusion mechanism according to claim 3, characterized in that: The rotating frame (11) is provided with a slide groove, and the two sliding blocks (13) are both slidably arranged in the slide groove.

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