Pipeline reducing device

Abstract

The utility model discloses a pipeline reducing device which comprises a working platform, an adjusting assembly, a clamping assembly, a reducing assembly and a reducing die are arranged on the working platform, the working platform is provided with a collecting opening, the collecting opening is located below the reducing die, the lower portion of the collecting opening is communicated with an oil tank, the oil tank is provided with an oil pump, the oil pump is communicated with the oil tank and a spray pipe, and the spray pipe extends into the reducing die. According to the pipeline reducing device, the adjusting assembly and the necking assembly are adopted, pipes with different lengths can be limited, the clamping assembly is matched, the pipe can be clamped, the device adapts to the pipes with different pipe diameters, the middle of the pipe can be supported, and the pipe is prevented from being bent and deformed due to large extrusion force; and a collecting opening, an oil tank, an oil pump and a spraying pipe are adopted, lubricating oil can be sprayed into the necking die, redundant lubricating oil flowing out of the necking die is collected and recycled, the machining environment is kept clean, and resources are saved.

Description

Technical Field

[0001] The utility model relates to pipeline processing technology, in particular to a pipeline diameter reducing device. Background Art

[0002] A pipeline is a device connected by pipes, pipe connectors and valves for conveying gas, liquid or fluid with solid particles. In order to facilitate installation, it is usually necessary to expand or shrink the ends of the copper pipes during processing to meet the installation needs of the staff;

[0003] In the prior art, in order to reduce the friction between the copper tube and the shrinking machine head and make the shrinking head shrink more smoothly, it is necessary to apply engine oil to the reduced diameter of the tube for material lubrication during the shrinking process. The common lubrication method is that the staff puts the engine oil into a bottle and then applies the engine oil to the tube manually, which will cause the staff's hands to be stained with too much engine oil, and the engine oil will drip onto the shrinking machine or the floor of the processing workshop, polluting the environment and being difficult to clean. Utility Model Content

[0004] In order to solve the defects of the above-mentioned prior art, the utility model provides a pipe diameter reduction device, which can evenly apply lubricating oil to the shrinking die and collect and reuse excess lubricating oil, thereby keeping the processing environment clean and saving resources.

[0005] In order to achieve the above technical objectives, the utility model adopts the following technical solutions: a pipe diameter reduction device, including a working platform, on which are arranged an adjustment component, a clamping component, a shrinking component and a shrinking die, the adjustment component and the shrinking component are used to clamp the two ends of the pipe, the clamping component is used to clamp the middle part of the pipe, the shrinking die is used to shrink the end of the pipe, the working platform is provided with a collecting port, the collecting port is located below the shrinking die, an oil tank is connected below the collecting port, the oil tank is provided with an oil pump, the oil pump is connected to the oil tank and a nozzle, and the nozzle extends into the shrinking die.

[0006] Preferably, the adjustment assembly includes a motor, a screw rod, a fixed block and a top plate, the fixed block is fixed under the working platform, a threaded hole is provided in the fixed block, the screw rod passes through the fixed block through the threaded hole, the screw rod is threadedly matched with the fixed block, the motor is arranged at one end of the screw rod close to the shrinking die, the top plate is arranged at one end of the screw rod opposite to the motor through a bearing, a third guide rail is provided between the working platform and the motor, and the motor moves along the third guide rail.

[0007] Preferably, a top block is provided on the top of the top plate, and a limiting ring is provided around the top block.

[0008] Preferably, the clamping assembly includes two clamping units, both of which are arranged on the working platform and are respectively located on both sides of the pipe, the clamping unit includes a second electric cylinder, a clamping plate and a second guide rail, the second electric cylinder and the second guide rail are both fixed to the working platform, the second electric cylinder piston rod is fixed to the clamping plate, and the second electric cylinder drives the clamping plate to move along the second guide rail.

[0009] Preferably, the clamping plate is provided with an arc-shaped groove on one side facing the pipe, and a rubber strip is provided in the groove.

[0010] Preferably, the shrinking assembly includes a first electric cylinder, a movable frame and a first guide rail, the first electric cylinder and the first guide rail are both fixed to the working platform, the first electric cylinder piston rod is fixed to the movable frame, the first electric cylinder drives the movable frame to move along the first guide rail, and the outer periphery of the shrinking mold is connected to the movable frame by a key.

[0011] Preferably, the collecting port is provided with a filter screen.

[0012] Preferably, the nozzle is arranged to be inclined upward toward one end of the necking die.

[0013] Preferably, an oil inlet is provided on the shrinking die, and the oil inlet is communicated with the nozzle and connected to the oil pump.

[0014] In summary, the utility model has achieved the following technical effects:

[0015] 1. The pipe reducing device of the utility model adopts an adjusting component and a shrinking component, which can limit pipes of different lengths, and cooperates with a supporting component to clamp the pipes, adapt to pipes of different diameters and support the middle part of the pipe to prevent the pipe from bending and deforming due to a large extrusion force.

[0016] 2. The pipe diameter reduction device of the utility model adopts a collecting port, an oil tank, an oil pump and a nozzle, which can spray lubricating oil into the shrinking die, and collect and reuse the excess lubricating oil flowing out of the shrinking die, thereby keeping the processing environment clean and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the pipeline diameter reducing device of the utility model;

[0018] Figure 2 It is the AA section view;

[0019] Explanation of the reference numerals in the drawings in the specification: 1. working platform; 2. first electric cylinder; 3. moving frame; 4. shrinking die; 5. oil inlet; 6. first guide rail; 7. pipe; 8. second electric cylinder; 9. clamping plate; 10. second guide rail; 11. top plate; 12. collecting port; 13. oil tank; 14. nozzle; 15. rubber strip; 16. motor; 17. third guide rail; 18. screw rod; 19. fixing block; 20. top block. DETAILED DESCRIPTION

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] Embodiment 1:

[0027] like Figure 1 -2, a pipe diameter reduction device includes a working platform 1, on which are provided an adjusting component, a clamping component, a shrinking component and a shrinking die 4, the adjusting component and the shrinking component are used to clamp the two ends of the pipe 7, the clamping component is used to clamp the middle of the pipe 7, the shrinking die 4 is used to shrink the end of the pipe 7, the working platform 1 is provided with a collecting port 12, the collecting port 12 is located below the shrinking die 4, the collecting port 12 is connected to an oil tank 13 below, the oil tank 13 is provided with an oil pump, the oil pump is connected to the oil tank 13 and a nozzle 14, and the nozzle 14 extends into the shrinking die 4.

[0028] The pipe reducing device of this embodiment adopts the collecting port 12, the oil tank 13, the oil pump and the nozzle 14, which can spray the lubricating oil into the shrinking die 4, and collect and reuse the excess lubricating oil flowing out of the shrinking die 4, so as to keep the processing environment clean and save resources.

[0029] The adjustment assembly includes a motor 16, a screw rod 18, a fixed block 19 and a top plate 11. The fixed block 19 is fixed under the working platform 1. A threaded hole is provided in the fixed block 19. The screw rod 18 passes through the fixed block 19 through the threaded hole. The screw rod 18 and the fixed block 19 are threadedly matched. The motor 16 is arranged at one end of the screw rod 18 close to the shrinking die 4. The top plate 11 is arranged at one end of the screw rod 18 relative to the motor 16 through a bearing. A third guide rail 17 is provided between the working platform 1 and the motor 16, and the motor 16 moves along the third guide rail 17.

[0030] A top block 20 is provided on the top of the top plate 11, and a limiting ring is provided around the top block 20; the top block 20 can be inserted into the pipe 7, and has a good limiting clamping effect. It cooperates with the limiting ring to adapt to pipes 7 of different diameters and has good adaptability.

[0031] The clamping assembly includes two clamping units, both of which are arranged on the working platform 1 and are respectively located on both sides of the pipe 7. The clamping units include a second electric cylinder 8, a clamping plate 9 and a second guide rail 10. The second electric cylinder 8 and the second guide rail 10 are both fixed to the working platform 1. The piston rod of the second electric cylinder 8 is fixed to the clamping plate 9. The second electric cylinder 8 drives the clamping plate 9 to move along the second guide rail 10.

[0032] The clamping plate 9 is provided with an arc-shaped groove on the side facing the pipe 7, and a rubber strip 15 is provided in the groove; the groove is contoured to the outer wall of the pipe 7, and can adapt to pipes 7 of different outer diameters in combination with the rubber strip 15.

[0033] The shrinking assembly includes a first electric cylinder 2, a movable frame 3 and a first guide rail 6. The first electric cylinder 2 and the first guide rail 6 are both fixed to the working platform 1. The piston rod of the first electric cylinder 2 is fixed to the movable frame 3. The first electric cylinder 2 drives the movable frame 3 to move along the first guide rail 6. The outer periphery of the shrinking mold 4 is connected to the movable frame 3 by a key.

[0034] The use of adjustment components and shrinking components can limit the lengths of pipes 7, and in conjunction with the supporting components, can clamp the pipes 7 to adapt to pipes 7 of different diameters and support the middle of the pipes 7 to prevent the pipes 7 from bending and deforming due to the large extrusion force.

[0035] The collecting port 12 is provided with a filter screen; the setting of the filter screen can prevent large solid impurities from the outside from entering the oil tank 13 and the oil pump, and prevent the impurities from causing damage to the oil pump.

[0036] The nozzle 14 is tilted upward toward one end of the necking die 4 ; the end of the nozzle 14 disposed upward allows the lubricating oil to be sprayed to the top of the necking die 4 , and due to gravity, the lubricating oil will flow downward, thereby coating all inner walls of the necking die 4 .

[0037] The shrinking die 4 is provided with an oil inlet 5, which is communicated with the nozzle 14 and connected with the oil pump.

[0038] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A pipe diameter reducing device, characterized in that: It includes a working platform, on which are arranged an adjusting component, a clamping component, a shrinking component and a shrinking die. The adjusting component and the shrinking component are used to clamp the two ends of the pipe, the clamping component is used to clamp the middle part of the pipe, and the shrinking die is used to shrink the end of the pipe. The working platform is provided with a collecting port, and the collecting port is located below the shrinking die. An oil tank is connected below the collecting port, and the oil tank is provided with an oil pump. The oil pump is connected to the oil tank and a nozzle, and the nozzle extends into the shrinking die.

2. A pipe diameter reducing device according to claim 1, characterized in that: The adjustment assembly includes a motor, a screw rod, a fixed block and a top plate. The fixed block is fixed under the working platform. A threaded hole is provided in the fixed block. The screw rod passes through the fixed block through the threaded hole. The screw rod is threadedly matched with the fixed block. The motor is arranged at one end of the screw rod close to the shrinking die. The top plate is arranged at one end of the screw rod opposite to the motor through a bearing. A third guide rail is provided between the working platform and the motor, and the motor moves along the third guide rail.

3. A pipe diameter reducing device according to claim 2, characterized in that: A top block is arranged on the top of the top plate, and a limiting ring is arranged around the top block.

4. A pipe diameter reducing device according to claim 1, characterized in that: The clamping assembly includes two clamping units, both of which are arranged on the working platform and are respectively located on both sides of the pipe. The clamping unit includes a second electric cylinder, a clamping plate and a second guide rail. The second electric cylinder and the second guide rail are both fixed to the working platform. The piston rod of the second electric cylinder is fixed to the clamping plate, and the second electric cylinder drives the clamping plate to move along the second guide rail.

5. A pipe diameter reducing device according to claim 4, characterized in that: The clamping plate is provided with an arc-shaped groove on one side facing the pipe, and a rubber strip is arranged in the groove.

6. A pipe diameter reducing device according to claim 1, characterized in that: The shrinking assembly includes a first electric cylinder, a movable frame and a first guide rail. The first electric cylinder and the first guide rail are both fixed to the working platform. The piston rod of the first electric cylinder is fixed to the movable frame. The first electric cylinder drives the movable frame to move along the first guide rail. The outer periphery of the shrinking mold is connected to the movable frame by a key.

7. A pipe diameter reducing device according to claim 1, characterized in that: The collecting port is provided with a filter screen.

8. A pipe diameter reducing device according to claim 1, characterized in that: The nozzle is arranged obliquely upward toward one end of the necking die.

9. A pipe diameter reducing device according to claim 1, characterized in that: The shrinking die is provided with an oil inlet, which is communicated with the nozzle and connected with the oil pump.

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