Oil conveying pipe bending device for hydraulic system

Abstract

The utility model relates to an oil conveying pipe bending device for a hydraulic system, and belongs to the technical field of oil conveying pipe machining for the hydraulic system, the oil conveying pipe bending device comprises a workbench, and a left side bending mechanism and a right side bending mechanism are symmetrically installed on the two sides of the workbench correspondingly; the positions, corresponding to the left side bending mechanism and the right side bending mechanism, of the workbench are provided with positioning pipe pressing mechanisms respectively, and the position, corresponding to the right side bending mechanism, of the workbench is further provided with an auxiliary guide mechanism. By arranging the positioning pipe pressing mechanism and the auxiliary guide mechanism, a worker can be assisted in supporting the oil conveying pipe, bending is facilitated, the auxiliary guide mechanism can keep the balance of the oil conveying pipe in the vertical direction so that a second elbow can be bent, the labor intensity of the worker is greatly relieved, and the production efficiency is high.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of oil conveying pipe processing for hydraulic systems, in particular to a bending device for an oil conveying pipe for a hydraulic system. BACKGROUND

[0002] At present, in order to make the structure of a hydraulic system more compact, an oil conveying pipe 6 as shown in the figure needs to be processed, the oil conveying pipe having two elbows, and the pipe is generally processed by an artificial bending machine. Figure 1

[0003] The existing bending mechanism lacks a corresponding auxiliary mechanism, the angles of the two elbows are not in the same plane, the operator is difficult to operate, the angle is not easy to grasp, the production efficiency is low, and the labor intensity of the operator is high. CONTENT OF THE INVENTION

[0004] The application aims to provide a bending device for an oil conveying pipe for a hydraulic system, which is used to assist artificial operation by setting a positioning and pipe pressing mechanism and an auxiliary guide mechanism, so as to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the application provides a bending device for an oil conveying pipe for a hydraulic system, which adopts the following technical scheme:

[0006] A bending device for an oil conveying pipe for a hydraulic system comprises a workbench, left and right bending mechanisms symmetrically installed on the two sides of the workbench, a positioning and pipe pressing mechanism arranged on the workbench corresponding to the positions of the left and right bending mechanisms, and an auxiliary guide mechanism arranged on the workbench corresponding to the position of the right bending mechanism, wherein the positioning and pipe pressing mechanism comprises a guide groove, an adjusting rod, a stop block and a pressing cylinder, the guide groove is fixed on the workbench, the adjusting rod is threadedly connected to the guide groove, the stop block is movably arranged in the guide groove and fixed to the end of the adjusting rod, and the pressing cylinder is fixed on the workbench and has a pressing block fixed to the end of the piston rod.

[0007] The auxiliary guide mechanism comprises a support rod, a rotating rod and a limiting block, the support rod is vertically fixed on the workbench, upper and lower stop blocks are threadedly connected to the surface of the support rod, the rotating rod is provided with a waist-round groove on the surface, the rotating rod is movably sleeved on the support rod through the waist-round groove and arranged between the upper and lower stop blocks, and the limiting block is provided with a limiting groove.

[0008] Preferably, the stop block is circular, and the end of the stop block away from the adjusting rod has a conical body, and the conical body is concentrically arranged with the stop block.

[0009] ​By adopting the technical scheme, the conical body can guide the oil conveying pipe, so that the oil conveying pipe can be placed quickly.

[0010] The arc-shaped pressing groove is provided with a rubber pad.

[0011] The left and right bending mechanisms each comprise a fixed rod fixed on the workbench, a first bending column is vertically fixed on an end of the fixed rod away from the workbench, a first annular bending groove is formed on the surface of the first bending column, a vertical rod is vertically fixed on the bottom end of the fixed rod, the vertical rod is arranged at the bottom of the first bending column, a connecting rod is rotatably connected to the vertical rod, and a clamping groove is formed between the connecting rod and the surface of the bottom end of the fixed rod.

[0012] An active rod is hingedly connected to one end of the connecting rod, a clamping groove is formed on the side wall of the active rod and matched with the clamping groove, a second bending column is vertically fixed on the top end of the active rod and close to the clamping groove, a second annular bending groove is formed on the surface of the second bending column, and the second annular bending groove and the first annular bending groove have the same inner diameter and are arranged on the same horizontal plane.

[0013] Preferably, a stopper is fixed on the side of the supporting rod, and a magnet piece is fixed on the stopper and can attract the rotating rod.

[0014] By adopting the technical scheme, the magnet piece is arranged to attract the rotating rod, so that an initial position of the rotating rod can be provided, and the oil conveying pipe can be placed conveniently.

[0015] In summary, the hydraulic system oil conveying pipe bending device comprises a positioning pipe pressing mechanism and an auxiliary guide mechanism, which can assist the workers in holding the oil conveying pipe and facilitate bending, the auxiliary guide mechanism can keep the oil conveying pipe balanced in the vertical direction to facilitate bending of the second elbow, and the labor intensity of the workers is greatly reduced, and the production efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of an oil conveying pipe in the prior art.

[0017] Figure 2 is a whole structural schematic diagram of the embodiment of the application.

[0018] Figure 3 is a use state schematic diagram of the embodiment of the application.

[0019] Explanation of reference signs: 1, workbench; 2, left bending mechanism; 21, first bending column; 22, movable rod; 23, second bending column; 3, right bending mechanism; 4, positioning and pipe pressing mechanism; 41, guide groove; 42, adjusting rod; 43, stop block; 431, conical body; 44, pressing cylinder; 45, pressing block; 5, auxiliary guide mechanism; 51, supporting rod; 511, upper stop block; 512, lower stop block; 52, rotating rod; 521, waist circular groove; 53, limiting block; 531, limiting groove; 54, stop frame. DETAILED DESCRIPTION

[0020] The following will be described in detail in combination with the accompanying drawings Figures 2-3 The application is further described in detail.

[0021] The embodiment of the application discloses a kind of bending devices for oil pipe of hydraulic system, refer to Figures 2-3 Including workbench 1, workbench 1 both sides are symmetrically installed with left bending mechanism 2 and right bending mechanism 3, left bending mechanism 2 and right bending mechanism 3 all include fixed rod fixed on workbench 1, the end of fixed rod away from workbench 1 is vertically fixed with first bending column 21, first bending column 21 surface is provided with first annular bending groove, the bottom end of fixed rod is vertically fixed with vertical rod, vertical rod is correspondingly arranged at the bottom of first bending column 21, vertical rod is rotatably connected with connecting rod, and the surface between connecting rod and the bottom end of fixed rod forms clamping groove;

[0022] The one end of connecting rod is hinged with movable rod 22, the side wall of movable rod 22 is provided with clamping groove matched with clamping groove, the top end of movable rod 22 is vertically fixed with second bending column 23 at the position close to clamping groove, the surface of second bending column 23 is provided with second annular bending groove, and the inner diameter of second annular bending groove and first annular bending groove is same and at the same horizontal plane.

[0023] The position corresponding to left bending mechanism 2 and right bending mechanism 3 of workbench 1 is respectively provided with positioning and pipe pressing mechanism 4, and the position corresponding to right bending mechanism 3 of workbench 1 is further provided with auxiliary guide mechanism 5, positioning and pipe pressing mechanism 4 includes guide groove 41, adjusting rod 42, stop block 43 and pressing cylinder 44, guide groove 41 is fixed on workbench 1, adjusting rod 42 is threadedly connected on guide groove 41, stop block 43 is movably arranged in guide groove 41, and the end of stop block 43 is fixed on adjusting rod 42, pressing cylinder 44 is fixed on workbench 1, the end of piston rod of pressing cylinder 44 is fixed with pressing block 45, the bottom end of pressing block 45 is provided with arc-shaped pressing groove, and rubber pad is arranged in arc-shaped pressing groove;

[0024] The auxiliary guide mechanism 5 comprises a supporting rod 51, a rotating rod 52 and a limiting block 53, the supporting rod 51 is vertically fixed on the workbench 1, in order to make the structure more compact, the supporting rod 51 is fixed on the guide groove 41, the surface of the supporting rod 51 is threadedly connected with an upper stop block 511 and a lower stop block 512, the surface of the rotating rod 52 is provided with a waist-round groove 521, the rotating rod 52 is movably sleeved on the supporting rod 51 through the waist-round groove 521, and is arranged between the upper stop block 511 and the lower stop block 512, and the limiting block 53 is provided with a limiting groove 531.

[0025] With reference to Figure 2 The stop block 43 is circular, and the end, away from the adjusting rod 42, of the stop block 43 is provided with a circular cone 431 which is concentric with the stop block 43.

[0026] By arranging the circular cone 431, the circular cone 431 can guide the oil delivery pipe, so that the oil delivery pipe can be quickly placed.

[0027] With reference to Figures 2-3 The side of the supporting rod 51 is fixed with a stop frame 54, the stop frame 54 is fixed with a magnet piece (not shown in the figure), the magnet piece can attract the rotating rod 52, by arranging the magnet piece to attract the rotating rod 52, an initial position can be provided for the rotating rod 52, so that the oil delivery pipe can be conveniently placed.

[0028] The implementation principle of the oil delivery pipe bending device for a hydraulic system in the embodiment of the application is as follows:

[0029] In use, first, the oil delivery pipe is placed into the positioning and pipe pressing mechanism 4 beside the left side bending mechanism 2, the oil delivery pipe is pressed by the pressing cylinder 44, then the oil delivery pipe is bent by the left side bending mechanism 2 for a first elbow, when bending, the oil delivery pipe is placed in the first annular bending groove, the staff moves the movable rod 22, the clamping groove on the movable rod 22 is clamped into the clamping groove on the connecting rod, then the movable rod 22 is rotated with the connecting rod as the rotating shaft, the second annular bending groove in the second bending column 23 on the movable rod 22 bends the end of the circulating pipe, after bending, the oil delivery pipe is placed into the right side bending mechanism 3, the oil delivery pipe is inserted into the positioning and pipe pressing mechanism 4 in the reverse direction, and the vertical section of the oil delivery pipe is clamped into the limiting groove 531 of the limiting block 53 in the auxiliary guide mechanism 5, in subsequent bending, the rotating rod 52 can support the oil delivery pipe to rotate, so that the angle of the second elbow is qualified, and the labor intensity of the staff is greatly reduced.

[0030] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered into the protection scope of the application.

Claims

1. A hydraulic system oil pipe bending device, comprising a workbench (1), wherein a left bending mechanism (2) and a right bending mechanism (3) are symmetrically installed on both sides of the workbench (1), characterized in that: Positioning and pressing mechanisms (4) are respectively provided on the workbench (1) at the positions corresponding to the left bending mechanism (2) and the right bending mechanism (3). An auxiliary guiding mechanism (5) is also provided on the workbench (1) at the position corresponding to the right bending mechanism (3). The positioning and pressing mechanism (4) includes a guide groove (41), an adjusting rod (42), a stop block (43), and a pressing cylinder (44). The guide groove (41) is fixed on the workbench (1). The adjusting rod (42) is threaded through the guide groove (41). The stop block (43) is movably disposed in the guide groove (41) and is fixed to the end of the adjusting rod (42). The pressing cylinder (44) is fixed on the workbench (1). A pressing block (45) is fixed to the end of the piston rod of the pressing cylinder (44). The auxiliary guiding mechanism (5) includes a support rod (51), a rotating rod (52), and a limiting block (53). The support rod (51) is vertically fixed on the worktable (1). The surface of the support rod (51) is threaded with an upper stop block (511) and a lower stop block (512). The surface of the rotating rod (52) is provided with an oval groove (521). The rotating rod (52) is movably sleeved on the support rod (51) through the oval groove (521) and is located between the upper stop block (511) and the lower stop block (512). The limiting block (53) is provided with a limiting groove (531).

2. The hydraulic system oil pipe bending device according to claim 1, characterized in that: The stop block (43) is circular, and the end of the stop block (43) away from the adjusting rod (42) has a cone (431), which is concentrically arranged with the stop block (43).

3. The hydraulic system oil pipe bending device according to claim 1, characterized in that: The bottom end of the pressure block (45) is provided with an arc-shaped pressure groove, and a rubber pad is provided in the arc-shaped pressure groove.

4. The hydraulic system oil pipe bending device according to claim 1, characterized in that: Both the left bending mechanism (2) and the right bending mechanism (3) include a fixed rod fixed to the worktable (1). A first bending column (21) is vertically fixed to the end of the fixed rod away from the worktable (1). A first annular bending groove is formed on the surface of the first bending column (21). A vertical rod is vertically fixed to the bottom end of the fixed rod. The vertical rod is correspondingly set at the bottom of the first bending column (21). A connecting rod is rotatably connected to the vertical rod. A locking groove is formed between the connecting rod and the bottom surface of the fixed rod. One end of the connecting rod is hinged to a movable rod (22). The side wall of the movable rod (22) is provided with a slot that matches the slot. A second bending column (23) is vertically fixed at the top of the movable rod (22) near the slot. A second annular bending groove is provided on the surface of the second bending column (23). The inner diameter of the second annular bending groove and the first annular bending groove are the same and are set on the same horizontal plane.

5. The hydraulic system oil pipe bending device according to claim 1, characterized in that: The support rod (51) is fixed with a stop frame (54) on its side, and a magnet is fixed on the stop frame (54). The magnet can attract the rotating rod (52).

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