A wiring device for variable diameter straight-through electric fusion pipe fittings

Abstract

The present invention provides a wiring device for variable diameter straight-through electric fusion pipe fittings, which is characterized by comprising a wiring knife, a turning knife, a rotating block, a hinge shaft, a tool holder, a numerically controlled motor, a pulling rod, a screw nut, and a guide groove. A fixing hole is provided at one end of the tool holder, and the tool holder is movably connected with the rotating block through the fixing hole, the hinge shaft, and a hinge shaft is provided at one side of the rotating block. The rotating block is movably connected with one side of the pulling rod through the hinge shaft, and the other side of the pulling rod is connected with the output shaft of the numerically controlled motor through the screw nut. The numerically controlled motor is installed on the tool holder, and two knife grooves are provided at the other side of the rotating block. A wiring knife and a turning knife are respectively installed in the guide groove. The present invention is a wiring device for variable diameter straight-through electric fusion pipe fittings. In the device, the rotating block can adjust the angle according to the inclination of the inside of the pipe fitting in the variable diameter area under the drive of the numerically controlled motor, and the rotation range is ±90°, so that the wiring knife axis is always perpendicular to the inside of the pipe fitting to be processed, and the variable diameter area is passed in a continuous wiring manner, thereby realizing one-time wiring processing.

Description

Technical Field

[0001] The invention relates to the field of electric fusion pipe fittings, in particular to a variable diameter straight-through electric fusion pipe wiring device. Background Art

[0002] Variable diameter straight-through electric fusion pipe fittings are mainly used to connect two pipes of different specifications. Since there is an inner diameter change area in the middle, conventional wiring devices cannot achieve one-time wiring processing. Usually, the resistance wire is placed in the cavity in advance during the injection molding process, and then the pipe is injection molded to prepare the required electric fusion pipe fittings. However, this method is undoubtedly more complicated, with high labor costs, greater impact of human operation, unstable product quality, etc., which greatly reduces the production efficiency of the product and leads to increased costs. Summary of the invention

[0003] According to the above technical problems, the present invention provides a wiring device for variable diameter straight-through electric fusion pipe fittings, characterized in that it includes a wiring knife, a turning knife, a rotating block, a hinge shaft, a tool holder, a CNC motor, a pulling rod, a screw nut, and a wire guide. A fixing hole is provided at one end of the tool holder, and the tool holder is movably connected to the rotating block through the fixing hole, the hinge shaft 1, and a hinge shaft is provided on one side of the rotating block. The rotating block is movably connected to one side of the pulling rod through the hinge shaft, and the other side of the pulling rod is connected to the output shaft of the CNC motor through the screw nut. The CNC motor is installed on the tool holder, and two tool grooves are provided on the other side of the rotating block, and the wiring knife and the turning knife are respectively installed in the guide grooves;

[0004] The tool holder is placed on the tool table of the wiring machine, and the motion control unit of the wiring machine controls the overall movement of the tool holder in the horizontal and vertical directions;

[0005] The rotating block is connected to the pull rod and the CNC motor through a hinge shaft. The CNC motor can adjust the rotation angle of the rotating block according to the change of the inner wall slope in the variable diameter area, so that the rotating block can rotate ±90°, so that the wiring knife axis placed on the rotating block is always perpendicular to the inner wall of the pipe.

[0006] The rotating block is a U-shaped structure.

[0007] The rotating block is a movable and rotatable structure.

[0008] The wiring tool and the turning tool are respectively screwed into two tool grooves on the tool holder in a spiral fixing manner.

[0009] The beneficial effects of the present invention are as follows: the present invention is a wiring device for variable diameter straight-through electric fusion pipe fittings, in which the rotating block, driven by a numerically controlled motor, can adjust the angle according to the inclination of the inside of the pipe fitting in the variable diameter area, and the rotation range is ±90°, so that the wiring knife axis is always perpendicular to the inside of the pipe fitting to be processed, and the variable diameter area is passed through in a continuous wiring manner, thereby realizing one-time wiring processing; the device not only effectively eliminates the influence of the variable diameter area on the wiring processing, but also realizes one-time wiring processing of the variable diameter straight-through electric fusion pipe fittings by increasing the feed speed and adopting a large-span wiring method, thereby reducing the amount of resistance wire used, improving the processing efficiency, and solving the difficult problem of preparing such electric fusion pipe fittings. At the same time, the device is also suitable for the preparation of straight-through electric fusion pipe fittings and saddle-type pipe fittings, which reduces the processing difficulty of wiring these three types of electric fusion pipe fittings to the greatest extent and improves production efficiency.

[0010] The wiring knife used in this device is fixed on a rotating block, and the rotating block is connected to a CNC motor. When in use, the wiring knife can automatically adjust its angle according to the track of the wire groove to prevent the tool from getting stuck. Therefore, during the wiring process, the feed speed can be increased to meet the requirements of large-span wiring. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the present invention.

[0012] Figure 2 This is a schematic diagram of the structure of the rotating block and the processed pipe during processing of the present invention.

[0013] Figure 3 It is a schematic diagram of the structure of the wiring knife of the present invention.

[0014] As shown in the figure, wiring knife-1, turning knife-2, rotating block-3, hinge shaft-4, tool holder-5, CNC motor-6, lead screw nut-7, pulling rod-8, hinge shaft-9, wire trough-10, resistance wire-11, pipe fitting-12. DETAILED DESCRIPTION

[0015] According to the figure, the present invention is further described:

[0016] Example 1

[0017] The present invention provides a wiring device for variable diameter straight-through electric fusion pipe fittings, comprising a wiring cutter 1, a turning cutter 2, a rotating block 3, a hinge shaft 4, a tool holder 5, a numerical control motor 6, a pulling rod 7, a screw nut 8, a hinge shaft 9, and a wire groove 10. A fixing hole is provided at one end of the tool holder 5, and the tool holder 5 is movably connected to the rotating block 3 through the fixing hole, the hinge shaft 4, and a hinge shaft 9 is provided at one side of the rotating block 3. The rotating block 3 is movably connected to one side of the pulling rod 8 through the hinge shaft 9, and the other side of the pulling rod 8 is connected to the output shaft of the numerical control motor 6 through the screw nut 7, and the numerical control motor 6 is installed on the tool holder 5. , the other side of the rotating block 3 is provided with two tool grooves, in which the wiring knife 1 and the turning knife 2 are respectively installed; the tool holder 5 is placed on the tool table of the wiring machine, and the motion control unit of the wiring machine controls the tool holder 5 to move horizontally and vertically as a whole; the rotating block 3 is connected to the pull rod 8 and the CNC motor 6 through a hinge shaft, and the CNC motor can adjust the rotation angle of the rotating block 3 according to the change of the inner wall slope in the variable diameter area, so that the rotating block 3 can rotate ±90°, so that the wiring knife axis placed on the rotating block is always perpendicular to the inner wall of the pipe; the rotating block 3 is a U-shaped structure. The rotating block 3 is a movable and rotatable structure.

[0018] Example 2

[0019] The specific operation method used in this application is:

[0020] 1. First, install the device of the present application on the overall equipment of the wiring machine, connect the tool holder to the main shaft of the wiring machine, connect the main shaft to the transmission motor of the wiring machine, and then place the variable diameter straight-through electric fusion pipe fitting in the pipe fitting fixture so that the end with a larger diameter is aligned with the rotating block 3;

[0021] 2. Pass one end of the resistance wire 11 through the wire groove 10 on the knife frame and the threading hole behind the blade, and pull it out a short distance. The whole roll of resistance wire is installed outside the device;

[0022] 3. Adjust the height of the blade of the wiring knife 1 according to the required buried wire depth;

[0023] 4. Place the wiring tool 1 and the turning tool 2 in the two tool grooves on the rotating block 3 respectively and clamp them;

[0024] 5. According to the size of the processed pipe and the structure of the processed pipe, confirm the path that the wiring knife 1 needs to wire, then input the path into the data control unit of the wiring machine and edit the CNC program;

[0025] 6. Adjust the CNC motor of the wiring machine so that the turning tool 2 contacts the inner wall of the pipe 12 and reaches the required depth;

[0026] 7. Turn on the wiring machine, drive the rotating block 3 to rotate through the CNC motor 6, so that the turning tool 2 is in working state, and then use the turning tool 2 to turn the inner wall of the pipe 12 to eliminate the inner wall oxide layer and adjust the inner wall roundness of the pipe 12;

[0027] 8. After turning is completed, the rotating block 3 is driven to rotate by the CNC motor 6, so that the wiring knife 1 is in working state, so that the wiring knife 1 contacts the inner wall of the pipe fitting and reaches the required wiring depth;

[0028] 9. Turn on the wiring machine, the CNC motor 6 drives the rotating block 3 to rotate through the pull rod 8, and starts wiring the inner wall of the end with a larger diameter of the pipe 12;

[0029] 10. When the end with the larger diameter of the pipe 12 meets the wiring requirements, increase the feed speed of the wiring machine and increase the width of the wire trough;

[0030] 11. When the wiring knife 1 reaches the diameter-changing area, the CNC motor 6 can automatically adjust the rotation angle of the rotating block 3 according to a pre-set program to ensure that the axis of the wiring knife 1 is always perpendicular to the inner wall of the pipe 12, thereby completing the wiring and pressing process of the diameter-changing area to prevent the resistance wire from falling off;

[0031] 12. When the wiring knife 1 reaches the wiring area at the end with a smaller diameter of the pipe 12, the transmission motor of the wiring machine will automatically reduce to the wiring speed according to a pre-set program and start wiring processing for the designated area;

[0032] 13. After the wiring of the entire pipe fitting 12 is completed, cut the resistance wire 11 and remove the pipe fitting.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that the wiring device proposed in this application is a control device commonly used in processing in this field. For ordinary technicians in this technical field, several improvements can be made without departing from the principles of the present invention. These improvements should also be regarded as the scope of protection of the present invention.

Claims

1. A wiring device for variable diameter straight-through electric fusion pipe fittings, Features It includes a turning tool, a turning tool, a rotating block, a hinge shaft, a tool holder, a CNC motor, a pulling rod, a screw nut, and a guide groove. A fixing hole is provided at one end of the tool holder, and the tool holder is movably connected to the rotating block through the fixing hole, the hinge shaft, and a hinge shaft is provided at one side of the rotating block. The rotating block is movably connected to one side of the pulling rod through the hinge shaft, and the other side of the pulling rod is connected to the output shaft of the CNC motor through the screw nut. The CNC motor is installed on the tool holder, and two guide grooves are provided on the other side of the rotating block, and a wiring tool and a turning tool are respectively installed in the guide grooves; The tool holder is placed on the tool table of the wiring machine, and the transmission motor of the wiring machine is used to control the overall movement of the tool holder in the horizontal and vertical directions; The rotating block is connected to the pulling rod and the CNC motor through a hinge shaft. The CNC motor can adjust the rotation angle of the rotating block according to the change of the wall inclination in the variable diameter area, so that the rotating block can rotate ±90° so that the axis of the wiring knife placed on the rotating block is always perpendicular to the inner wall of the pipe.

2. A wiring device for a variable diameter straight-through type electric fusion pipe fitting according to claim 1, Features The rotating block is a U-shaped structure.

3. A wiring device for a variable diameter straight-through type electric fusion pipe fitting according to claim 1, Features The rotating block is a movable and rotatable structure.

4. A wiring device for a variable diameter straight-through type electric fusion pipe fitting according to claim 1, Features The turning tool and the wiring tool are respectively screwed into two guide grooves on the rotating block in a spiral fixing manner.

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