Chamfer cutting device

Abstract

The utility model discloses a chamfer cutting device which comprises a machine frame, a guide roller and an ejector rod are arranged on the machine frame, the guide roller and the ejector rod are distributed in a step mode, a lifting mechanism is arranged on the ejector rod, the lower end of the lifting mechanism is installed on a transverse rod, and lifting sliding rails are arranged on the two inner side walls of the machine frame. And the two ends of the transverse rod are installed on the lifting sliding rails in a sliding mode respectively, a sliding rail is arranged on the side face of the transverse rod, a plurality of sliding blocks are installed on the sliding rail in a sliding mode, an installation frame is installed on the sliding blocks, a chamfer cutting mechanism and a slitting mechanism are arranged on the installation frame, and the chamfer cutting mechanism and the slitting mechanism are both located above the guide roller. A hot melt adhesive surface of a polyethylene composite belt base material is placed on the guide roller downwards, the polyethylene composite belt base material is driven to move in a manual traction mode, the lifting mechanism drives the transverse rod to move downwards, the chamfer cutting mechanism is started to cut a plurality of V-shaped grooves in a product, gaps are prevented from being generated in the using process, and after cutting is completed, the slitting mechanism is started to cut off the V-shaped grooves. And cutting the polyethylene composite belt base material.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene composite tapes, in particular to a chamfering cutting device. Background Art

[0002] Polyethylene composite tape is used for the elbows of steel pipelines for oil and natural gas transmission. In the past, heat shrink tape was wrapped or multiple heat shrink sleeves were used for corrosion protection. Due to manual operation, the corrosion protection quality could not be guaranteed. The corrosion protection layer had low strength, was easily damaged, and had poor temperature resistance, making the corrosion protection quality impossible to guarantee. Now, large-diameter elbows are usually installed mechanized by professional manufacturers, using polyethylene composite tape wrapping to ensure installation quality and product consistency. However, if the corners are not chamfered, gaps may appear, and external water vapor will enter the composite tape along the spiral channel, causing corrosion of the steel pipeline and affecting the corrosion protection effect. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a chamfering cutting device.

[0004] The purpose of the utility model is achieved through the following technical solutions: a chamfering cutting device, comprising a frame, a guide roller and a push rod are provided on the frame, the guide roller and the push rod are distributed in a stepped manner, a lifting mechanism is provided on the push rod, the lower end of the lifting mechanism is installed on the cross bar, lifting slide rails are provided on the two inner side walls of the frame, and the two ends of the cross bar are respectively slidably installed on the lifting slide rails, slide rails are provided on the side of the cross bar, a number of sliders are slidably installed on the slide rails, and a mounting frame is installed on the slider, a chamfering cutting mechanism and a slitting mechanism are provided on the mounting frame, and the chamfering cutting mechanism and the slitting mechanism are both located above the guide roller.

[0005] Preferably, the lifting mechanism includes a rocker and a spiral rod, the rocker is provided at the upper end of the spiral rod, the spiral rod passes through the top rod, and the cross rod is sleeved on the spiral rod.

[0006] Preferably, the mounting frame is U-shaped, the chamfering and cutting mechanism is installed on the U-shaped groove of the mounting frame, and the slitting mechanism is installed on the outer side of the mounting frame.

[0007] Preferably, the chamfering and cutting mechanism includes a trimmer, which is mounted on the U-shaped groove of the mounting frame. The power output end of the trimmer is connected to the rotary cutter, and the rotary cutter is located above the guide roller.

[0008] Preferably, the slitting mechanism includes a cylinder, which is mounted on the outer side of the mounting frame. The piston rod on the cylinder is connected to the connecting plate. A splint is provided on the lower surface of the connecting plate, and a slitting knife is mounted on the splint. The slitting knife is located above the guide roller.

[0009] Preferably, the slitting knife is installed obliquely on the clamping plate.

[0010] The utility model has the following advantages: the staff of the utility model determines the width of the product by adjusting the spacing between the sliders, places the polyethylene composite tape substrate with the hot melt adhesive surface downward on the guide roller, and moves it by manual traction. At the same time, the lifting mechanism drives the cross bar to move downward, and the chamfering and cutting mechanism is started to cut multiple V-grooves on the product, thereby avoiding gaps during use. After the cutting is completed, the slitting mechanism is started to cut the polyethylene composite tape substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a chamfer cutting device;

[0012] Figure 2 This is a schematic diagram of the structure of the polyethylene composite tape after chamfering;

[0013] Figure 3 This is a schematic diagram of the structure of the polyethylene composite tape after slitting;

[0014] Figure 4 This is a schematic diagram of the structure for installing the polyethylene composite tape;

[0015] In the figure, 1-frame, 2-chamfering and cutting mechanism, 3-slitting mechanism, 4-lifting mechanism, 5-guide roller, 6-top rod, 7-rocker, 8-screw rod, 9-cross bar, 10-lifting slide rail, 11-slide rail, 12-slider, 13-trimmer, 14-peeling knife, 15-cylinder, 16-piston rod, 17-connecting plate, 18-plywood, 19-slitting knife. DETAILED DESCRIPTION

[0016] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0018] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0020] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] In this embodiment, if Figures 1 to 4 As shown, a chamfering cutting device includes a frame 1, on which a guide roller 5 and a push rod 6 are provided. The guide roller 5 and the push rod 6 are distributed in a stepped manner. A lifting mechanism 4 is provided on the push rod 6. The lower end of the lifting mechanism 4 is installed on the cross bar 9. Lifting slide rails 10 are provided on the two inner side walls of the frame 1, and the two ends of the cross bar 9 are respectively slidably installed on the lifting slide rails 10. Slide rails 11 are provided on the side of the cross bar 9. Several sliders 12 are slidably installed on the slide rails 11, and a mounting frame is installed on the slider 12. The mounting frame is provided with a chamfering cutting mechanism 2 and a slitting mechanism 3. The chamfering cutting mechanism 2 and the slitting mechanism 3 are both located above the guide roller 5. The staff determines the width of the product by adjusting the spacing between the sliders 12, places the polyethylene composite tape substrate with the hot melt adhesive side facing down on the guide roller 5, and moves it by manual traction. At the same time, the lifting mechanism 4 drives the cross bar 9 to move downward, and the chamfering and cutting mechanism 2 is started to cut multiple V-grooves on the product to avoid gaps during use. After the cutting is completed, the slitting mechanism 3 is started to cut the polyethylene composite tape substrate.

[0023] Furthermore, the lifting mechanism 4 includes a rocker 7 and a screw rod 8. The rocker 7 is provided at the upper end of the screw rod 8. The screw rod 8 passes through the top rod 6, and the cross bar 9 is mounted on the screw rod 8. Specifically, since the chamfering and cutting mechanism 2 and the slitting mechanism 3 are mounted on the cross bar 9, the staff can control the rotation direction of the screw rod 8 by turning the rocker 7, thereby driving the cross bar 9 to move up and down along the lifting rail 10, and finally adjust the height of the chamfering and cutting mechanism 2 and the slitting mechanism 3.

[0024] In this embodiment, the mounting frame is U-shaped, with the chamfering and cutting mechanism 2 mounted in the U-shaped groove of the mounting frame, and the slitting mechanism 3 mounted on the outer surface of the mounting frame. Furthermore, the chamfering and cutting mechanism 2 includes a trimmer 13 mounted in the U-shaped groove of the mounting frame. The power output of the trimmer 13 is connected to a rotary cutter 14, which is located above the guide roller 5. Furthermore, the slitting mechanism 3 includes a cylinder 15 mounted on the outer side of the mounting frame. The piston rod 16 of the cylinder 15 is connected to a connecting plate 17. The lower surface of the connecting plate 17 is provided with a clamping plate 18, on which a slitting knife 19 is mounted. The slitting knife 19 is located above the guide roller 5. Preferably, the slitting knife 19 is mounted on the clamping plate 18 at an angle. Specifically, according to the width of the required product, the staff adjusts the spacing between adjacent sliders 12 on the slide rail 11. At this time, the staff drives the spiral rod 8 to rotate by turning the rocker 7, so that the cross bar 9 moves upward along the lifting slide rail 10, and the height of the chamfering cutting mechanism 2 and the slitting mechanism 3 is raised to facilitate the staff to discharge the material, that is, the hot melt adhesive surface of the polyethylene composite tape substrate is placed downward on the guide roller 5, and it is moved on the guide roller 5 by manual traction. At this time, the trimmer 13 is started, driving the rotary cutter 14 to work, and the staff rotates the rocker 7 in the opposite direction again to move the cross bar 9 downward along the lifting slide rail 10, so that the rotary cutter 14 cuts multiple V-shaped grooves in the polyethylene layer, such as Figure 2 As shown, after the cutting is completed, the piston rod 16 on the cylinder 15 extends downward, and the slitting knife 19 cuts the composite tape along the bottom of the V-shaped groove, and finally rewinds it. In this embodiment, the trimmer 13, the rotary cutter 14 and the slitting knife 19 are all existing products, and no improvements have been made to them here, so they will not be described in detail.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A chamfer cutting device, characterized in that: The invention comprises a frame (1), wherein the frame (1) is provided with a guide roller (5) and a push rod (6), wherein the guide roller (5) and the push rod (6) are arranged in a stepped manner, and a lifting mechanism (4) is provided on the push rod (6), wherein the lower end of the lifting mechanism (4) is mounted on a cross bar (9), and lifting rails (10) are provided on the two inner side walls of the frame (1), and the two ends of the cross bar (9) are respectively slidably mounted on the lifting rails (10), and a slide rail (11) is provided on the side of the cross bar (9), and a plurality of sliders (12) are slidably mounted on the slide rail (11), and a mounting frame is mounted on the slider (12), and a chamfering cutting mechanism (2) and a slitting mechanism (3) are provided on the mounting frame, and the chamfering cutting mechanism (2) and the slitting mechanism (3) are both located above the guide roller (5).

2. The chamfering cutting device according to claim 1, characterized in that: The lifting mechanism (4) comprises a rocker (7) and a screw rod (8), wherein the rocker (7) is provided at the upper end of the screw rod (8), the screw rod (8) passes through the top rod (6), and the cross rod (9) is sleeved on the screw rod (8).

3. The chamfering cutting device according to claim 2, characterized in that: The mounting frame is U-shaped, the chamfering and cutting mechanism (2) is mounted on the U-shaped groove of the mounting frame, and the slitting mechanism (3) is mounted on the outer side of the mounting frame.

4. The chamfering cutting device according to claim 3, characterized in that: The chamfering and cutting mechanism (2) comprises a trimmer (13), the trimmer (13) being mounted on the U-shaped groove of the mounting frame, the power output end of the trimmer (13) being connected to a rotary cutter (14), and the rotary cutter (14) being located above the guide roller (5).

5. The chamfering cutting device according to claim 4, characterized in that: The slitting mechanism (3) includes a cylinder (15), which is mounted on the outer side of the mounting frame. The piston rod (16) on the cylinder (15) is connected to a connecting plate (17). A clamping plate (18) is provided on the lower surface of the connecting plate (17). A slitting knife (19) is mounted on the clamping plate (18). The slitting knife (19) is located above the guide roller (5).

6. The chamfer cutting device according to claim 5, characterized in that: The slitting knife (19) is installed obliquely on the clamping plate (18).

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