Pipeline batch bending tool

A batch and pipeline technology, which is applied in the field of pipeline batch bending tools, can solve the problems of low bending speed, difficulty in consistent arc, and difficult control of bending force, so as to improve processing efficiency and reduce processing intensity.

Pending Publication Date: 2020-11-24
SHANDONG ELECTRIC POWER CONSTR NO 2
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AI-Extracted Technical Summary

Problems solved by technology

Industrial instrumentation tubes are mostly Ф10-Ф16 stainless steel and carbon steel small-diameter pipes. Generally, conventional instrumentation pipe benders are powered by manpower, and can only bend one piece at a time, and the bending speed is very l...
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Method used

In at least one embodiment, as shown in Figure 2, upper splint 41 is provided with observation window 411, in bending process, operator can observe the bending arc of pipeline through observation window, when bending arc After reaching the desired angle, control the power mechanism 1 to stop the action. The setting of the observation window 411 is convenient for the operator to observe the pipeline, and effectively reduces the probability of occurrence of phenomenon such as bending transition or bending not up to standard.
The side of the thrust mold 23 near the positioning mechanism 3 is an arc surface 231, which can make the pipeline form a radian corresponding to the arc surface in the bending process, which plays a role in shaping; the second arc groove 232 The bending radian can match the bending radian of the pipeline, so as to avoid the drastic deformation of the pipe diameter during the bending process. In addition, the above-mentioned second arc groove 232 can support the pipeline in the vertical direction, and the second arc The shape groove 232 cooperates with the first arc groove 3121, which can facilitate the installation of the pipeline before bending and ensure the stability of the pipeline dur...
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Abstract

The invention provides a pipeline batch bending tool, and relates to the technical field of pipe bending tools. The pipeline batch bending tool provided by the invention comprises a power mechanism, amoving mechanism and a positioning mechanism. The power mechanism is connected with the moving mechanism. The moving mechanism and the positioning mechanism are oppositely arranged. The power mechanism is provided with a fixed end and a movable end. The movable end of the power mechanism is used for pushing the moving mechanism to get close to the positioning mechanism, so that a channel used forclamping and bending a plurality of pipelines is formed between the moving mechanism and the positioning mechanism. According to the pipeline batch bending tool provided by the invention, the power mechanism replaces pure manual operation; and moreover, the multiple instrument pipelines can be bent at the same time, batch processing of the instrument pipelines is realized, processing intensity isrelieved and processing efficiency is improved.

Technology Topic

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  • Pipeline batch bending tool
  • Pipeline batch bending tool
  • Pipeline batch bending tool

Examples

  • Experimental program(1)

Example Embodiment

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
[0036] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
[0037] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0038] This embodiment is to provide a pipeline batch bending tool, such as figure 1 As shown, it includes a power mechanism 1, a moving mechanism 2 and a positioning mechanism 3. The power mechanism 1 is connected to the moving mechanism 2, and the moving mechanism 2 is arranged opposite to the positioning mechanism 3. The power mechanism 1 has a fixed end and a moving end, and the movement of the power mechanism 1 The end is used to push the moving mechanism 2 close to the positioning mechanism 3, so that a channel for clamping and bending multiple pipelines is formed between the moving mechanism 2 and the positioning mechanism 3.
[0039] Wherein, the power mechanism 1 provides power for the movement of the moving mechanism 2, and when the pipe bending operation is performed, the positioning mechanism 3 does not operate, and the positioning mechanism 3 faces figure 1 The power mechanism 1 drives the moving mechanism 2 to move to the right, and the moving mechanism 2 is close to the positioning mechanism 3. Under the joint action of the moving mechanism 2 and the positioning mechanism 3, the clamping and bending of multiple pipelines is realized. The above pipeline batch bending tool does not require pure manual operation, which reduces the processing intensity, and can bend multiple instrument pipelines at the same time to realize batch processing of instrument pipelines.
[0040] The fixed end of the above-mentioned power mechanism 1 and the positioning mechanism 3 can be installed on a fixed table, and the moving end of the power mechanism 1 moves relative to the fixed end to push the moving mechanism 2 close to the positioning mechanism 3 .
[0041] In some other embodiments, the fixed end of the power mechanism 1 can also be connected with the positioning mechanism 3 through a connection structure, and the position of the fixed end of the power mechanism 1 relative to the positioning mechanism 3 is locked, as follows: figure 1 As an example for specific description:
[0042] The pipeline batch bending tool also includes a splint assembly 4 , the fixed end of the power mechanism 1 is connected to the splint assembly 4 , and the positioning mechanism 3 is installed on the splint assembly 4 . The splint assembly 4 can ensure that the fixed end of the power mechanism 1 and the positioning mechanism 3 are relatively stationary, and the moving mechanism 2 can bend the pipeline stably. convenient.
[0043] Specifically, such as figure 1 and image 3 As shown, the splint assembly 4 includes an upper splint 41 and a lower splint 42, the upper splint 41 is movably connected with the fixed end of the power mechanism 1, the lower splint 42 is fixedly connected with the fixed end of the power mechanism 1, and the positioning mechanism 3 is installed on the upper splint 41 and the fixed end of the power mechanism 1. Between the lower splints 42.
[0044] Specifically, when the positioning mechanism 3 is installed, the above-mentioned upper clamping plate 41 can be rotated or moved to avoid the space on the upper part of the lower clamping plate 42, and then some parts in the positioning mechanism 3 can be placed on the lower clamping plate 42. When the splint 41 is connected, it is enough to reset the upper splint 41 to facilitate the disassembly and assembly of the positioning mechanism 3 .
[0045] In at least one embodiment, such as image 3 As shown, the upper clamping plate 41 can rotate relative to the fixed end of the power mechanism 1 , and the rotation axis is parallel to the lower clamping plate 42 . facing image 3 direction, after turning the upper splint 41 counterclockwise, the upper splint 41 can avoid the space on the upper part of the lower splint 42, which is convenient for placing some parts of the positioning mechanism 3. After the placement is completed, the upper splint 41 can be rotated clockwise. The other components realize the connection with the upper splint 41.
[0046] Specifically, there is a folding connecting piece 6 at the connection between the upper splint 41 and the fixed end of the power mechanism 1 . The folding connector 6 may include a rotating shaft, the fixed end of the power mechanism 1 and the upper splint 41 are provided with a sleeve, the sleeve is sleeved on the rotating shaft and connected to the rotating shaft in rotation, or the folding connecting member 6 may also include a plurality of hinges, and many more.
[0047] In at least one embodiment, such as figure 2 As shown, the upper splint 41 is provided with an observation window 411. During the bending process, the operator can observe the bending arc of the pipeline through the observation window. When the bending arc reaches the required angle, control the power mechanism 1 to stop the action. . The setting of the observation window 411 is convenient for the operator to observe the pipeline, and effectively reduces the probability of occurrence of phenomenon such as bending transition or bending not up to standard.
[0048] In at least one embodiment, both the fixed end of the power mechanism 1 and the bottom of the splint assembly 4 are provided with rollers 5 . The setting of the roller 5 facilitates the movement of the above-mentioned pipeline batch bending tools and enhances its practicability.
[0049] Specifically, one roller 5 is provided at the bottom of the fixed end of the power mechanism 1 , and two rollers 5 are provided at the bottom of the splint assembly 4 .
[0050] The roller 5 is preferably a universal wheel, which can also have a locking function to assist rotation.
[0051] The positioning mechanism 3 is described in detail below:
[0052] In some embodiments, the positioning mechanism 3 includes two positioning mold assemblies 31 that are both connected to the splint assembly 4, and the two positioning mold assemblies 31 are respectively located on both sides of the moving direction of the moving mechanism 2, that is, as Figure 4 and Figure 5 As shown, there is a bending gap between the two positioning mold assemblies 31, and during the bending process, the moving mechanism 2 gradually approaches the bending gap.
[0053] In the above positioning mechanism, the two positioning mold assemblies 31 cooperate with the moving mechanism 2. When the power mechanism 1 pushes the moving mechanism 2 close to the bending gap, the two positioning mold assemblies 31 limit the position of the pipeline, and the moving mechanism 2 moves from the two A pressure is given to the pipeline between the two positioning mold assemblies 31. At this time, the force application points of the two positioning mold assemblies 31 on the pipeline are located on both sides of the force application point of the moving mechanism 2 on the pipeline, so as to realize stable bending of the pipeline.
[0054] Specifically, the two positioning mold assemblies 31 are arranged symmetrically with respect to the moving direction of the moving mechanism 2, so that the bent pipeline has a symmetrical bending arc.
[0055] On the basis of the above examples, if figure 2 and Figure 4 As shown, the cross-sections of the upper splint 41 and the lower splint 42 are trapezoidal, the corresponding end of the shorter top edge of the trapezoid is connected to the fixed end of the power mechanism 1, and the corresponding end of the longer bottom edge of the trapezoid is connected to the two positioning The mold assembly 31 is connected.
[0056] Specifically, such as figure 1 and Figure 5 As shown, the positioning mold assembly 31 includes a connecting structure 311 and a plurality of positioning molds 312, and the multiple positioning molds 312 are connected with the splint assembly 4 through the connecting structure 311. Along the vertical direction, a plurality of positioning molds 312 are stacked and distributed, and two positioning molds The positioning mold 312 at the same height in the mold assembly 31 can be used to limit a pipeline.
[0057] When bending multiple pipelines, the multiple pipelines are stacked and distributed along the vertical direction, and each pipeline cooperates with the positioning mold 312 on the same height in the two positioning mold assemblies 31, and the moving mechanism 2 Multiple pipes are bent at the same time under the pushing pressure.
[0058] Among them, such as Image 6 As shown, the positioning mold 312 is columnar, and the outer peripheral surface of the positioning mold 312 is provided with a first arc-shaped groove 3121 for accommodating the pipeline.
[0059] The bending radian of the first arc-shaped groove 3121 can match the bending radian of the pipeline, so as to avoid severe deformation of the diameter of the pipeline during the bending process. In addition, the above-mentioned first arc-shaped groove 3121 can support the pipeline in the vertical direction, which facilitates the installation of the pipeline before bending and ensures the stability of the pipeline during the bending process.
[0060] Among them, such as Figure 5 As shown, the connection structure 311 includes a central shaft 3111 and two fittings 3112, and the fittings 3112 and the positioning mold 312 are provided with a first through hole for the central shaft 3111 to pass through, as Figure 5 As shown, two fittings 3112 are respectively located at two ends of a plurality of positioning molds 312 , and both the upper clamping plate 41 and the lower clamping plate 42 are provided with shaft holes for the central shaft 3111 to pass through.
[0061] During installation, the central shaft 3111 passes through the shaft hole of the upper clamping plate 41 and is inserted into the first through holes of the two fittings 3112 and the positioning mold 312 , and then passes through the shaft hole on the lower clamping plate 42 . Because the moving mechanism 2 can move relative to the upper clamping plate 41 and the lower clamping plate 42, there is a certain gap between the top and the bottom of the moving mechanism 2 and the upper clamping plate 41 and the lower clamping plate 42 respectively, and the two fittings 3112 can avoid The positioning mold 312 is directly against the upper clamping plate 41 and the lower clamping plate 42 , so that the positioning mold 312 can be aligned with the position of the moving mechanism 2 for bending pipelines in the vertical direction.
[0062] In some embodiments, the top fitting 3112 can be attached to the upper splint 41 and the top fitting 3112 can be attached to the lower splint 42 . Certainly, the two fittings 3112 may not be connected with the upper splint 41 and the lower splint 42 .
[0063] In addition, it should be noted that, if Figure 5 As shown, in order to prevent the central shaft 3111 from falling off the splint assembly 4 , a limiting platform is provided on the top of the central shaft 3111 , and the limiting platform limits the axial position of the central shaft 3111 . In order to make the central shaft 3111 more firmly connected with the splint assembly 4, the bottom of the central shaft 3111 can also be provided with an external thread, the bottom of the central shaft 3111 is locked by a nut, and the nut cooperates with the limit table to limit the axial position of the central shaft 3111 in both directions .
[0064] The structure of the moving mechanism 2 is described in detail below:
[0065] like figure 1 and image 3 As shown, the moving mechanism 2 includes a mold tray 21, a connector 22 and a plurality of thrust molds 23, the mold tray 21 is connected with the moving end of the power mechanism 1, and a plurality of thrust molds 23 are installed on the mold tray 21 through the connector 22 , the mold tray 21 plays the role of carrying a plurality of thrust molds 23 , and the plurality of thrust molds 23 are stacked and distributed on the mold tray 21 along the vertical direction.
[0066] Specifically, when in use, the moving end of the power mechanism 1 pushes the mold tray 21 close to the positioning mechanism 3, and a thrust mold 23 on the mold tray 21 presses a pipeline on the positioning mechanism 3, and continues to pressurize, and cooperates with the positioning mechanism 3 Bend the pipeline.
[0067] When the positioning die assembly 31 includes two positioning die assemblies 31, and the positioning die assembly 31 includes a connection structure 311 and a plurality of positioning dies 312, a thrust die 23 and two positioning dies positioned at the same height in the two positioning die assemblies 31 312 to realize the bending of the pipeline.
[0068] Specifically, such as Figure 4 As shown, the side of the thrust mold 23 close to the positioning mechanism 3 is an arc surface 231, and the arc surface 231 is concave toward the direction away from the positioning mechanism 3, as shown in image 3 As shown, to form a second arc-shaped groove 232 for accommodating pipelines.
[0069] The side of the thrust mold 23 close to the positioning mechanism 3 is an arc surface 231, which can make the pipeline form an arc corresponding to the arc surface in the bending process, which plays a role in shaping; the second arc groove 232 can bend the arc. It matches the bending arc of the pipeline to avoid severe deformation of the pipeline diameter during the bending process. In addition, the above-mentioned second arc-shaped groove 232 can support the pipeline in the vertical direction. The second arc-shaped groove 232 Cooperating with the first arc-shaped groove 3121, it can facilitate the installation of the pipeline before bending and ensure the stability of the pipeline during the bending process.
[0070] like Figure 4 As shown, the side of the thrust mold 23 facing away from the positioning mechanism 3 is a plane, so as to cooperate with the mold tray 21 more stably.
[0071] Among them, such as figure 1 As shown, the projection of the mold tray 21 in the direction of the front view is L-shaped, such as Figure 5 As shown, the projection of the mold tray 21 in the direction of the left view is an inverted T shape. The mold tray 21 specifically includes a longitudinal connection part and a horizontal lifting part connected with the vertical connection part, the longitudinal connection part is connected with the moving end of the power mechanism 1, and the horizontal lifting part is connected with the connector 22 and is used to lift a plurality of thrust molds 23 .
[0072] The connecting piece 22 can include a fixing bolt, and the thrust mold 23 is provided with a second through hole for the fixing bolt to pass through, such as Figure 7 As shown, the mold tray 21 is provided with threaded holes for cooperating with fixing bolts.
[0073] During installation, the fixing bolts are inserted into the second through holes on the plurality of thrust molds 23 and screwed into the threaded holes. The above-mentioned connecting piece 22 has a simple structure and facilitates the connection of multiple thrust molds 23 and the mold pallet 21 .
[0074] The power mechanism 1 is described in detail below:
[0075] In some embodiments, such as figure 1 As shown, the power mechanism 1 includes a cylinder body 11 and a telescopic rod 12, the cylinder body 11 is the fixed end of the power mechanism 1, and it is connected with the splint assembly 4, the telescopic rod 12 is the moving end of the power mechanism 1, and one end of the telescopic rod 12 extends The cylinder body 11 is slidingly connected with the cylinder body 11, and the other end of the telescopic rod 12 is connected with the moving mechanism 2.
[0076] The cylinder body 11 may be a hydraulic cylinder or a pneumatic cylinder, and in at least one embodiment, the cylinder body 11 is a hydraulic cylinder.
[0077] like Figure 4As shown, the end of the telescopic rod 12 facing away from the cylinder body 11 is provided with a positioning pin 7, and the positioning pin 7 is inlaid and connected to the pin hole on the mold tray 21, and the pin hole can be located in the middle of the mold tray 21.
[0078] In at least one embodiment, such as figure 1 As shown, the power mechanism 1 also includes a manual pressure rod 13, a plunger pump 14 and a pressure relief switch 15; the manual pressure rod 13 is rotationally connected with the cylinder body 11; the fixed end of the plunger pump 14 is connected with the cylinder body 11, and the plunger pump The moving end of 14 is connected with manual pressure rod 13; Pressure relief switch 15 is installed on one side of plunger pump 14.
[0079] When in use, the operator can repeatedly press the manual pressure rod 13 and pressurize the cylinder body 11 through the plunger pump 14. After the telescopic rod 12 in the cylinder body 11 is pressed, the mold tray 21 is pushed to move toward the center of the two positioning mold assemblies 31 , so that multiple thrust molds 23 and multiple positioning molds 312 clamp the instrument pipeline to be bent, adjust the position of the arc to be bent, and continue to pressurize so that multiple thrust molds 23 push multiple instrument pipes through at the same time The center of the two positioning mold assemblies 31 stops after reaching the required angle. At this time, the pressure relief switch 15 is opened, and the telescopic rod 12 retracts to the original position, and the bending is completed.
[0080] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.
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