Positioning mechanism for plastic pipeline cutting

Abstract

The utility model relates to the technical field of pipeline cutting, discloses a positioning mechanism for plastic pipeline cutting, and aims to solve the problem that the quality of a finished product short pipe is affected due to deviation of a plastic pipeline. The plastic pipeline extending out of the placing table is fixed through the contact piece, then when the cutting knife initially makes contact with the plastic pipeline, due to the fact that one side of the position is subjected to fixing force applied by the contact piece, the probability that the plastic pipeline deforms downwards is reduced, the plastic pipeline is not prone to deviation, and meanwhile the cutting knife is convenient to use. And the plastic pipeline extending out of the placing table is still connected with the plastic pipeline on the surface of the placing table, so that the plastic pipeline is further prevented from deviating.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline cutting, and in particular to a positioning mechanism for plastic pipeline cutting. Background Art

[0002] Plastic pipes are a general term for pipes made of plastic materials. During use, in order to adapt to different environments, cutting equipment is often used to cut long plastic pipes into several short pipes.

[0003] Some existing cutting equipment is mainly composed of a placement table, a cutting mechanism and a positioning mechanism. When in use, the plastic pipe is placed on the surface of the placement table, and one end of the plastic pipe is extended out of the placement table (the extended length is the required length of the short pipe). Then, the pressing plate in the positioning mechanism is moved down and the plastic pipe is pressed. Then, the cutting mechanism is operated to cut off the extended plastic pipe. Through the above actions, a single cutting operation of the plastic pipe is completed.

[0004] However, in the above process, after the pressing plate presses the plastic pipe, it will remain in the current position, so that when the cutting mechanism initially contacts the plastic pipe, it will exert downward pressure and circumferential force on the plastic pipe, which will easily cause the plastic pipe (such as a plastic pipe with a smaller wall thickness or a larger diameter) to deform slightly downward and shift slightly under the pressing plate, ultimately affecting the quality of the short pipe cut by the cutting mechanism. Utility Model Content

[0005] The present application proposes a positioning mechanism for plastic pipe cutting, which has the advantage of reducing the probability of plastic pipe deviation and is used to solve the problem that the quality of the finished short pipe is affected due to the deviation of the plastic pipe.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical solution: a positioning mechanism for cutting a plastic pipe, comprising:

[0007] A placing table, a clamping table is fixedly installed on the upper surface of the placing table, the plastic pipe is located between the placing table and the protruding end of the clamping table, a No. 1 hydraulic rod is fixedly installed on the upper surface of the protruding end of the clamping table, a pressing plate is arranged between the protruding end of the clamping table and the plastic pipe, and the telescopic rod of the No. 1 hydraulic rod is fixedly connected to the upper surface of the pressing plate;

[0008] A cutting knife is arranged on the left side of the placing table and is used for cutting plastic pipes;

[0009] A workbench is arranged at the left side of the cutting knife, a transmission mechanism is arranged on the workbench, a positioning member is arranged above the workbench, and the positioning member is connected to the transmission mechanism to realize the movement of the positioning member;

[0010] An extension rod is fixedly installed on the side of the positioning member facing the placement table, the extension rod and the center line of the plastic pipe are in the same axial path, a No. 2 hydraulic rod is fixedly installed at the end of the extension rod facing the placement table at equal intervals in the circumference, a contact piece is fixedly installed at the end of the telescopic rod of the No. 2 hydraulic rod, and the curvature of the contact piece is the same as the curvature of the inner wall of the plastic pipe.

[0011] Furthermore, the area of ​​the positioning member facing the side of the placement table is larger than the longitudinal cross-sectional area of ​​the plastic pipe.

[0012] Furthermore, the transmission mechanism includes a forward and reverse motor, a screw and a limit rod. The forward and reverse motor is fixedly installed on the left side of the workbench, and a screw is arranged on the right side of the workbench at a position corresponding to the forward and reverse motor. The output end of the forward and reverse motor is fixedly connected with an end of the screw facing the forward and reverse motor. The limit rods are fixed on the right side of the workbench and at positions on both sides of the screw. The positioning member is in transmission connection with the screw, and the positioning member is movably connected with the limit rod.

[0013] Furthermore, there is a spacing between the lower side surface of the positioning member and the upper surface of the workbench, and a release plate is fixedly installed on the right side surface of the workbench and at a position corresponding to the spacing, and the thickness of the release plate is smaller than the spacing value; an inclined plate is fixedly installed at the rightmost position of the front side surface of the workbench, and the front end of the inclined plate is tilted downward.

[0014] Furthermore, a ball is rolled on the outer surface of the contact piece to reduce the friction between the contact piece and the plastic pipe.

[0015] This application has the following beneficial effects:

[0016] The present application provides a positioning mechanism for plastic pipe cutting, which fixes the plastic pipe extending out of the placement table through a contact piece. Thereafter, when the cutting knife initially contacts the plastic pipe, one side of the position is subjected to a fixing force applied by the contact piece, thereby reducing the probability of the plastic pipe deforming downward, making it difficult for the plastic pipe to shift. At the same time, since the plastic pipe extending out of the placement table is still connected to the plastic pipe on the surface of the placement table at this time, the plastic pipe can be further prevented from shifting.

[0017] When the pipe extending out of the placement table is cut off, the contact piece at the upper side drives the cut short pipe to move to the position corresponding to the inclined plate. Then, the plate pushes the short pipe, and finally the short pipe slides down along the surface of the inclined plate. Through the above actions, the short pipe is prevented from free falling, which affects the quality of the short pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute a part of the specification, illustrate embodiments disclosed in the present application and, together with the description, serve to explain the principles disclosed in the present application.

[0019] The present application can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the contact position of the utility model;

[0022] Figure 3 For this utility model Figure 2 A partial enlarged schematic diagram of the structure at point A in the middle.

[0023] In the figure: 1. Placing table; 2. Clamping table; 3. Hydraulic rod No. 1; 4. Pressing plate; 5. Cutting knife; 6. Working table; 7. Forward and reverse motor; 8. Screw rod; 9. Limit rod; 10. Positioning piece; 11. Extension rod; 12. Hydraulic rod No. 2; 13. Contact piece; 14. Escape plate; 15. Tilt plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] See also Figure 1-Figure 3A positioning mechanism for cutting a plastic pipe comprises a placing table 1, a clamping table 2 is threadedly installed on the upper surface of the placing table 1, the plastic pipe is located between the placing table 1 and the protruding end of the clamping table 2, a No. 1 hydraulic rod 3 is fixedly installed on the upper surface of the protruding end of the clamping table 2, a pressing plate 4 is arranged between the protruding end of the clamping table 2 and the plastic pipe, a telescopic rod of the No. 1 hydraulic rod 3 passes through the protruding end of the clamping table 2 and is fixedly connected to the upper surface of the pressing plate 4, a cutting knife 5 (a combination of a cutting knife, a motor and a lifting rod in the prior art) is arranged on the left side of the placing table 1, a working table 6 is arranged on the left side of the cutting knife 5, a forward and reverse motor 7 is fixedly installed on the left side of the working table 6, a screw 8 is arranged on the right side of the working table 6 and at the position corresponding to the forward and reverse motor 7, and the forward and reverse motor 7 is arranged The output end is fixedly connected with one end of the screw 8 facing the forward and reverse motor 7. Limit rods 9 are welded on the right side of the workbench 6 and on the front and rear sides of the screw 8. A positioning member 10 is arranged above the workbench 6. The positioning member 10 is transmission-connected with the screw 8. The positioning member 10 is slidingly connected with the limit rod 9. The area of ​​the positioning member 10 facing the side of the placement table 1 is larger than the longitudinal cross-sectional area of ​​the plastic pipe. An extension rod 11 is fixedly installed on the side of the positioning member 10 facing the placement table 1. The extension rod 11 and the center line of the plastic pipe are in the same axial path. A No. 2 hydraulic rod 12 is fixedly installed at the end of the extension rod 11 facing the placement table 1 at equidistant intervals. A contact member 13 is fixedly installed at the telescopic rod end of the No. 2 hydraulic rod 12. The curvature of the contact member 13 is the same as the curvature of the inner wall of the plastic pipe.

[0026] During operation, the plastic pipe is placed between the placement table 1 and the protruding end of the clamping table 2, and the plastic pipe is extended out of the placement table 1 toward one end of the positioning member 10 until the plastic pipe contacts the positioning member 10. Through this action, the device can quickly extend the plastic pipe to the required length without manual measurement, thereby speeding up work efficiency. At the same time, in this process, the extension rod 11 on the side of the positioning member 10 is synchronously extended into the plastic pipe. When the plastic pipe contacts the positioning member 10, the No. 2 hydraulic rod 12 drives the contact member 13 to abut against the inner wall of the plastic pipe. Afterwards, when the cutting knife 5 initially contacts the plastic pipe, one side of the position is subjected to the fixing force applied by the contact member 13, thereby reducing the probability of downward deformation of the plastic pipe, making it difficult for the plastic pipe to shift. At the same time, since the plastic pipe extending out of the placement table 1 is still connected to the plastic pipe on the surface of the placement table 1 at this time, the plastic pipe can be further prevented from shifting.

[0027] See also Figure 1-Figure 3 There is a spacing between the lower side of the positioning member 10 and the upper surface of the workbench 6, and a release plate 14 is fixedly installed on the right side of the workbench 6 and at a position corresponding to the spacing. The thickness of the release plate 14 is less than the spacing value, and an inclined plate 15 is fixedly installed at the rightmost position of the front side of the workbench 6, and the front end of the inclined plate 15 is tilted downward.

[0028] After the plastic pipe extending out of the placement table 1 is cut off, the cutting knife 5 moves up, and the forward and reverse motor 7 is operated, so that the screw 8 drives the positioning member 10 and the cut plastic pipe to move to the left. In this process, the escape plate 14 contacts the cut plastic pipe, so that the cut plastic pipe is separated from the extension rod 11 and slides down along the inclined plate 15. Through the above-mentioned actions, the cut plastic pipe is prevented from free falling, which affects the quality of the short pipe. Finally, the forward and reverse motor 7 is operated in the reverse direction, so that the positioning member 10 moves back to the original position, and the No. 2 hydraulic rod 12 drives the contact member 13 to contract. This is a single working process of the device.

[0029] Balls (not shown in the figure) are rolled on the outer surface of the contact piece 13 to reduce the friction between the contact piece 13 and the plastic pipe.

Claims

1. A positioning mechanism for cutting plastic pipes, characterized in that: include: A placing table (1), a clamping table (2) is fixedly mounted on the upper surface of the placing table (1), the plastic pipe is located between the placing table (1) and the protruding ends of the clamping table (2), a No. 1 hydraulic rod (3) is fixedly mounted on the upper surface of the protruding end of the clamping table (2), a pressing plate (4) is arranged between the protruding end of the clamping table (2) and the plastic pipe, and the telescopic rod of the No. 1 hydraulic rod (3) is fixedly connected to the upper surface of the pressing plate (4); A cutting knife (5) is arranged on the left side of the placing table (1) and is used for cutting the plastic pipe; A workbench (6) is arranged at the left side of the cutting knife (5), a transmission mechanism is arranged on the workbench (6), a positioning member (10) is arranged above the workbench (6), and the positioning member (10) is connected to the transmission mechanism to realize the movement of the positioning member (10); An extension rod (11) is fixedly installed on the side of the positioning member (10) facing the placement platform (1), the extension rod (11) and the center line of the plastic pipe are in the same axial path, and a second hydraulic rod (12) is fixedly installed at an end of the extension rod (11) facing the placement platform (1) at equal intervals in the circumferential direction, and a contact member (13) is fixedly installed at the end of the telescopic rod of the second hydraulic rod (12), and the curvature of the contact member (13) is the same as the curvature of the inner wall of the plastic pipe.

2. A positioning mechanism for cutting a plastic pipe according to claim 1, characterized in that: The area of ​​the positioning member (10) facing the side of the placement platform (1) is larger than the longitudinal cross-sectional area of ​​the plastic pipe.

3. A positioning mechanism for cutting plastic pipes according to claim 1, characterized in that: The transmission mechanism comprises a forward and reverse motor (7), a screw (8) and a limit rod (9); the forward and reverse motor (7) is fixedly mounted on the left side of the workbench (6); the screw (8) is arranged on the right side of the workbench (6) at a position corresponding to the forward and reverse motor (7); the output end of the forward and reverse motor (7) is fixedly connected to an end of the screw (8) facing the forward and reverse motor (7); the limit rod (9) is fixedly arranged on the right side of the workbench (6) at positions on both sides of the screw (8); the positioning member (10) is transmission-connected to the screw (8); and the positioning member (10) is movably connected to the limit rod (9).

4. A positioning mechanism for cutting plastic pipes according to claim 3, characterized in that: There is a spacing between the lower side of the positioning member (10) and the upper surface of the workbench (6); a release plate (14) is fixedly installed on the right side of the workbench (6) and at a position corresponding to the spacing; the thickness of the release plate (14) is less than the spacing; an inclined plate (15) is fixedly installed at the rightmost position of the front side of the workbench (6); the front end of the inclined plate (15) is arranged to be inclined downward.

5. A positioning mechanism for cutting plastic pipes according to claim 4, characterized in that: A ball is rolled on the outer surface of the contact piece (13) to reduce the friction between the contact piece (13) and the plastic pipe.

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