Press machine pull rod hydraulic tensioning equipment

Abstract

The utility model discloses a hydraulic tensioning device for a pull rod of a press machine, which belongs to the technical field of press machines and comprises a support plate, a fixed cover is arranged above the support plate, a hydraulic oil cylinder is fixedly mounted on the inner top wall of the fixed cover, a connecting seat is fixedly mounted at the telescopic end of the hydraulic oil cylinder, a connecting plate is fixedly mounted on the bottom surface of the connecting seat, and the connecting plate is fixedly mounted on the bottom surface of the connecting seat. Two connecting pull rods are fixedly connected to the bottom face of the connecting plate, a plurality of threaded holes are formed in the outer surface of the fixing cover, a plurality of threaded grooves are formed in the upper surface of the supporting plate, the inner wall of each threaded hole is in threaded connection with a fixing screw, and the inner wall of each fixing screw is in threaded connection with the inner wall of the corresponding threaded groove. According to the hydraulic tensioning equipment for the press pull rod, the effect of hydraulic tensioning movement of the connecting pull rod is achieved, the tensioning efficiency is improved, the problems that power is provided in a mechanical mode at present, and tensioning operation on the pull rod is difficult to achieve rapidly are solved, and meanwhile the working efficiency of the press is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of press, concretely is a kind of press pull rod hydraulic tensioning equipment. BACKGROUND

[0002] Press is a kind of general machine with exquisite structure, can be widely applied to cutting, punching, blanking, bending, riveting and forming process, press is divided into three major categories of screw press, crank press and hydraulic machine.

[0003] At present, press needs to cooperate with pull rod, and when press is operated to pull rod, power is usually provided by mechanical mode, it is difficult to quickly operate pull rod, in turn, reduce the working efficiency of press, therefore, the technical personnel of the field provides a kind of press pull rod hydraulic tensioning equipment to solve the problems presented in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of press pull rod hydraulic tensioning equipment to solve the problems presented in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of press pull rod hydraulic tensioning equipment, including support plate, the top of the support plate is equipped with fixed cover, the inner top wall of the fixed cover is fixedly installed with hydraulic oil cylinder, the telescopic end of the hydraulic oil cylinder is fixedly installed with connecting seat, the bottom surface of the connecting seat is fixedly installed with connecting plate, the bottom surface of the connecting plate is fixedly connected with two connecting pull rods, the outer surface of the fixed cover is equipped with a plurality of threaded holes, the upper surface of the support plate is equipped with a plurality of threaded grooves, the inner wall of each threaded hole is all screw-connected with fixed screw, the inner wall of each fixed screw is respectively threadedly connected with the inner wall of each threaded groove.

[0007] As a further scheme of the utility model: the back of the connecting plate is fixedly connected with support load plate, the upper surface of the support load plate is fixedly connected with slide bar.

[0008] As a further scheme of the utility model: the back of the support plate is fixedly connected with sliding seat, the top of the slide bar extends to the upper side of the sliding seat and penetrates the sliding seat, the outer surface of the slide bar is slidably connected with the inner wall of the sliding seat.

[0009] As a further scheme of the utility model: the outer surface of the support plate is fixedly connected with two mounting plates, the bottom surface of two mounting plates is all equipped with two mounting holes.

[0010] As a further scheme of the utility model: the bottom end of the hydraulic oil cylinder extends to the lower side of the support plate and penetrates the support plate, the outer surface of the fixed cover is equipped with through hole.

[0011] As a further scheme of the utility model: the bottom end of two connecting pull rods is fixedly connected with connecting pieces, and the bottom surface of two connecting pieces is provided with a plurality of connecting holes.

[0012] As a further scheme of the utility model: the front surface of the supporting plate is fixedly connected with a vertical plate, and the front surface of the vertical plate is fixedly installed with a controller.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The press pull rod hydraulic tensioning equipment is installed above the supporting plate through the fixing cover, and the hydraulic oil cylinder arranged in the fixing cover can drive the connecting seat and the connecting plate to stably move up and down, and also drive the two connecting pull rods to move up and down, and then the rising of the two connecting pull rods can achieve the effect of hydraulic tensioning movement of the connecting pull rod, accelerate the tensioning efficiency, solve the problem that the mechanical power is difficult to be quickly used for tensioning operation of the pull rod, and improve the working efficiency of the press. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view of a three-dimensional structural schematic diagram of the press pull rod hydraulic tensioning equipment.

[0016] Fig. 2 It is a rear view of a three-dimensional structural schematic diagram of the press pull rod hydraulic tensioning equipment.

[0017] Fig. 3 It is a sectional view of a front view of the fixing cover in the press pull rod hydraulic tensioning equipment.

[0018] Fig. 4 It is a sectional view of a rear view of the supporting plate in the press pull rod hydraulic tensioning equipment.

[0019] In the drawing: 1, supporting plate; 2, fixing cover; 3, hydraulic oil cylinder; 4, connecting seat; 5, connecting plate; 6, connecting pull rod; 7, supporting load plate; 8, sliding rod; 9, sliding seat; 10, mounting plate; 11, mounting hole; 12, through hole; 13, threaded hole; 14, fixed screw; 15, threaded groove; 16, connecting piece; 17, connecting hole; 18, vertical plate; 19, controller. DETAILED DESCRIPTION

[0020] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0021] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0022] Please refer to Figs. 1-4 In the utility model embodiment, a hydraulic tensioning device for a press rod of a press machine, comprising a support plate 1, a fixed cover 2 is arranged above the support plate 1, a hydraulic oil cylinder 3 is fixedly installed on the inner top wall of the fixed cover 2, a connecting seat 4 is fixedly installed on the telescopic end of the hydraulic oil cylinder 3, a connecting plate 5 is fixedly installed on the bottom surface of the connecting seat 4, two connecting pull rods 6 are fixedly connected to the bottom surface of the connecting plate 5, a plurality of threaded holes 13 are formed in the outer surface of the fixed cover 2, a plurality of threaded grooves 15 are formed in the upper surface of the support plate 1, a fixed screw 14 is threadedly connected to the inner wall of each threaded hole 13, the inner wall of each fixed screw 14 is threadedly connected to the inner wall of each threaded groove 15, through the cooperation of the threaded holes 13 and the threaded grooves 15 and the fixed screws 14, the fixed cover 2 can be quickly installed and disassembled above, the disassembly efficiency is improved, and the movement of the connecting pull rod 6 can be powered through the arrangement of the hydraulic oil cylinder 3.

[0023] As a further scheme of the utility model: the back surface of connecting plate 5 is fixedly connected with support carrier plate 7, the upper surface of support carrier plate 7 is fixedly connected with slide rod 8, the back surface of support plate 1 is fixedly connected with slide base 9, the top end of slide rod 8 penetrates slide base 9 and extends to the upper side of slide base 9, the outer surface of slide rod 8 is slidably connected with the inner wall of slide base 9, the outer surface of support plate 1 is fixedly connected with two mounting plates 10, the bottom surface of two mounting plates 10 is provided with two mounting holes 11, through the setting of support carrier plate 7 and slide rod 8 and the cooperation with slide base 9, the movement of connecting plate 5 and connecting pull rod 6 will be more stable, using mounting plate 10 and mounting hole 11, the equipment can be stably supported.

[0024] As a further scheme of the utility model: the bottom end of hydraulic oil cylinder 3 penetrates support plate 1 and extends to the lower side of support plate 1, the outer surface of fixed cover 2 is provided with through hole 12, the bottom end of two connecting pull rods 6 is fixedly connected with connecting piece 16, the bottom surface of two connecting pieces 16 is provided with multiple connecting holes 17, the front surface of support plate 1 is fixedly connected with vertical plate 18, the front surface of vertical plate 18 is fixedly installed with controller 19, through the cooperation of connecting piece 16 and connecting hole 17, connecting piece 16 can be better connected with the equipment or workpiece, using the setting of vertical plate 18, the function of supporting controller 19 is realized.

[0025] The working principle of the utility model is: first, the equipment is installed and fixed through mounting plate 10 and mounting hole 11, then connecting plate 5 is installed and fixed at the bottom of connecting seat 4, when the connecting pull rod 6 at the bottom of connecting plate 5 is pulled and moved, the hydraulic oil cylinder 3 is controlled to shrink and move, which can drive connecting seat 4, connecting plate 5 and connecting pull rod 6 to stably move upwards, then the hydraulic tensioning movement of connecting pull rod 6 can be realized.

[0026] The above describes only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0027] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. Hydraulic tensioning device for press tie rods, comprising a support plate (1), characterised in that, The upper side of the support plate (1) is provided with a fixed cover (2), the inner top wall of the fixed cover (2) is fixedly installed with a hydraulic oil cylinder (3), the telescopic end of the hydraulic oil cylinder (3) is fixedly installed with a connecting seat (4), the bottom surface of the connecting seat (4) is fixedly installed with a connecting plate (5), the bottom surface of the connecting plate (5) is fixedly connected with two connecting pull rods (6), the outer surface of the fixed cover (2) is provided with a plurality of threaded holes (13), the upper surface of the support plate (1) is provided with a plurality of threaded grooves (15), the inner wall of each threaded hole (13) is threadedly connected with a fixed screw (14), and the inner wall of each fixed screw (14) is threadedly connected with the inner wall of each threaded groove (15).

2. A hydraulic draw apparatus for a press drawbar as defined in claim 1, wherein The back surface of the connecting plate (5) is fixedly connected with a supporting load plate (7), and the upper surface of the supporting load plate (7) is fixedly connected with a sliding rod (8).

3. A press drawbar hydraulic tensioning apparatus according to claim 2, characterised in that, The back surface of the support plate (1) is fixedly connected with a sliding seat (9), the top end of the sliding rod (8) penetrates through the sliding seat (9) and extends above the sliding seat (9), and the outer surface of the sliding rod (8) is in sliding connection with the inner wall of the sliding seat (9).

4. The hydraulic draw apparatus for press draw bars as set forth in claim 1, wherein, The outer surface of the support plate (1) is fixedly connected with two mounting plates (10), and the bottom surface of each of the two mounting plates (10) is provided with two mounting holes (11).

5. The hydraulic draw apparatus for press draw bars as set forth in claim 1, wherein, The bottom end of the hydraulic oil cylinder (3) penetrates through the support plate (1) and extends below the support plate (1), and the outer surface of the fixed cover (2) is provided with a through hole (12).

6. A press drawbar hydraulic tensioning apparatus as claimed in claim 1, wherein, The bottom end of each of the two connecting pull rods (6) is fixedly connected with a connecting piece (16), and the bottom surface of each of the two connecting pieces (16) is provided with a plurality of connecting holes (17).

7. The hydraulic draw apparatus of claim 1 wherein, The front surface of the support plate (1) is fixedly connected with a vertical plate (18), and the front surface of the vertical plate (18) is fixedly installed with a controller (19).

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