Pressing strip lifting device

Abstract

The utility model provides a hold-down strip lifting device which comprises a scalloped segment mould, a hold-down strip, an overturning plate and a lifter, the overturning plate is fixed at one end of the hold-down strip, the overturning plate is rotatably connected to the bottom side of the scalloped segment mould, a rotating shaft of the lifter is installed on the overturning plate, and the lifter is hinged to the bottom side of the scalloped segment mould; and under the driving of the lifter, the pressing strip moves in the direction far away from or close to the scalloped segment mold. The overturning plate is arranged on the pressing strip, the rotating shaft of the lifter drives the overturning plate, and the overturning plate drives the pressing strip to overturn, so that the pressing strip moves back and forth far away from or close to the scalloped segment mold tire, the pressing strip and the scalloped segment mold tire can be used as a whole to lift up and down along with the scalloped segment mold tire, and the pressing strip does not need to be detached from the scalloped segment mold tire any more; and the storage site space is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding assembly technical field, specifically, relate to a kind of compression strip lifting device. BACKGROUND

[0002] The storage tank is important large component in the launch vehicle structure, and the ellipsoidal tank bottom at both ends of the storage tank is the difficulty and key point in the production of the storage tank. The ellipsoidal tank bottom is composed of a circular ring, a fork-shaped ring and a top cover. The circular ring is generally formed by a plurality of melon slice welding, and the melon slice is a large thin-walled part with an ellipsoidal shape. During welding, the melon slice die is usually used as the installation base of the melon slice, and the melon slice is compressed by the compression strip.

[0003] The existing Chinese patent with the publication number CN107931825A discloses a large-scale ellipsoidal workpiece friction stir welding splicing tool, which includes a fixed base, a lifting die, an adjusting mechanism, a mechanical compression strip and a lifting mechanism. The workpiece is attached to the lifting die, and the position of the workpiece on the lifting die is adjusted by the adjusting mechanism fixed on the lifting die. The mechanical compression strip is fixed at both ends of the lifting die. The lifting mechanism includes a limiting stopper, a hydraulic cylinder, a guide shaft and a hydraulic cylinder base. The hydraulic cylinder base is fixed with a plurality of guide shafts through threads. The hydraulic cylinder is fixed in the middle position of the hydraulic cylinder base through threads. The limiting stopper is installed on the hydraulic cylinder base. A plurality of guide holes and a threaded hole are processed on the bottom side of the lifting die, which are respectively connected with the guide shafts and the push rod of the hydraulic cylinder. The adjusting mechanism is composed of an adjusting seat and an adjusting screw, and the position of the workpiece is finely adjusted by rotating the adjusting screw.

[0004] In the prior art, the compression strip needs to be installed and disassembled during the machining and welding of the workpiece, and the disassembly usually relies on manual operation, which is not convenient and affects the assembly efficiency. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the utility model aims to provide a compression strip lifting device.

[0006] According to the compression strip lifting device provided by the utility model, the melon slice die, the compression strip, the turnover plate and the lifting machine are included. The turnover plate is fixed at one end of the compression strip. The turnover plate is rotatably connected to the bottom side of the melon slice die. The rotating shaft of the lifting machine is installed on the turnover plate. The lifting machine is hingedly connected to the bottom side of the melon slice die.

[0007] Under the driving of the lifting machine, the compression strip moves away from or approaches the melon slice die.

[0008] Preferably, the compression strip includes a first arc-shaped strip and a second arc-shaped strip. One end of the first arc-shaped strip is connected with one end of the second arc-shaped strip. The other end of the first arc-shaped strip is away from the other end of the second arc-shaped strip.

[0009] Preferably, a cross rib is arranged between the first arc-shaped strip and the second arc-shaped strip, and the cross rib is arranged close to one end of the first arc-shaped strip and one end of the second arc-shaped strip.

[0010] Preferably, the turnover plate comprises a first turnover plate and a second turnover plate, one end of the first turnover plate and one end of the second turnover plate are connected with the cross rib respectively, the other end of the first turnover plate and the other end of the second turnover plate are rotatably connected to the bottom side of the melon petal mold, the other end of the first turnover plate is connected with one end of the rotating shaft, and the other end of the second turnover plate is connected with the other end of the rotating shaft.

[0011] Preferably, the first communication hole and the second communication hole are arranged on both sides of one end of the first turnover plate and one end of the second turnover plate rotatably connected with the melon petal mold.

[0012] The first communication hole is close to the melon petal mold, the bottom side of the melon petal mold is provided with a rotating support, the rotating support is provided with a rotating hole, and the first communication hole and the rotating hole are connected through a shaft.

[0013] The rotating shaft passes through the second communication hole of the first turnover plate and the second turnover plate respectively.

[0014] Preferably, the cross rib comprises two cross ribs, and the two cross ribs are arranged in parallel with each other.

[0015] Preferably, one end of the elevator is provided with a hinge shaft, and the hinge shaft is fixed to the bottom side of the melon petal mold through a hinge fixing frame.

[0016] Preferably, the elevator comprises a spiral elevator.

[0017] Preferably, the arc of the first arc-shaped strip and the arc of the second arc-shaped strip are matched with the arc of the melon petal mold.

[0018] Preferably, the middle part of the first arc-shaped strip and the second arc-shaped strip is provided with a pressing mechanism.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1、 the utility model discloses a turnover plate is arranged on the pressing strip, and the rotating shaft of the elevator drives the turnover plate, and the turnover plate drives the pressing strip to move, realizes the back and forth action of the pressing strip away from the melon petal mold or close to the melon petal mold, and the pressing strip and the melon petal mold can be as a whole with the melon petal mold and lift up and down, so that the pressing strip does not need to be installed and disassembled again when welding the melon petal each time, which is favorable for reducing the labor of workers and improving production efficiency.

[0021] 2. The utility model discloses a turnover plate is set up on the compression strip, and the turnover plate is connected with other structures instead of the compression strip being directly connected with other structures, so that the movement of the compression strip is realized, and the bending radian of the compression strip is matched with the bending radian of the melon petal mold.

[0022] 3. The utility model discloses a connection mode of the compression strip and the melon petal mold, the compression strip can be close to and compress the melon petal mold, the compression strip and the melon petal mold are as a whole with the melon petal mold ascending and descending, and the cooperation structure of the compression strip and the melon petal mold is compact, and the storage space is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 The utility model mainly embodies the structure diagram of compression strip lifting device when opening state;

[0025] Figure 2 The utility model mainly embodies the structure diagram of compression strip lifting device when compression state;

[0026] Figure 3 The utility model mainly embodies the structure diagram of elevator;

[0027] Figure 4 The utility model mainly embodies the structure diagram of melon petal mold;

[0028] Figure 5 The utility model mainly embodies the connection structure diagram of compression strip.

[0029] In the drawings:

[0030] Hinge fixing frame 1 Second communication hole 54

[0031] Hinge shaft 2 Horizontal rib plate 6

[0032] Shaft 3 Compression strip 7

[0033] Elevator 4 First arc-shaped strip 71

[0034] Turnover plate 5 Second arc-shaped strip 72

[0035] First turnover plate 51 Compression mechanism 8

[0036] Second turnover plate 52 Rotary support 9

[0037] First communication hole 53 Melon petal mold 10 DETAILED DESCRIPTION

[0038] The utility model will be instructed in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that, for those skilled in the art, without departing from the concept of the utility model, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.

[0039] As Figures 1 to 2 The utility model provides a kind of compression strip lifting device, including melon petal mould 10, compression strip 7, turnover plate 5 and lift 4, turnover plate 5 is fixed at one end of compression strip 7, turnover plate 5 is rotatably connected at the bottom side of melon petal mould 10, the rotating shaft 3 of lift 4 is installed on turnover plate 5, lift 4 is hinged at the bottom side of melon petal mould 10;Compression strip 7 is moved in the direction away from melon petal mould 10 or close to melon petal mould 10 under the drive of lift 4. Figure 1 As Figure 2 Compression strip 7 is moved in the direction away from melon petal mould 10 under the drive of lift 4, and compression strip 7 is in open state;Compression strip 7 is moved in the direction close to melon petal mould 10 under the drive of lift 4, and compression strip 7 is in compression state.

[0040] The utility model is by being provided with turnover plate 5 on compression strip 7, and turnover plate 5 satisfies: turnover plate 5 is rotatably connected with melon petal mould 10 and is connected with the rotating shaft 3 of lift 4, the rotating shaft 3 of lift 4 drives turnover plate 5, and turnover plate 5 drives compression strip 7 to overturn, realizes away from melon petal mould 10 or close to melon petal mould 10 to and fro action. After lift 4 is used to lift compression strip 7, compression strip 7 can be as a whole with melon petal mould 10 and is lifted up and down with melon petal mould 10, and compression strip 7 does not need to be disassembled from melon petal mould 10, and compression strip 7 does not need to be installed and disassembled every time when processing and welding, reduces the labor of worker, and improves production efficiency.

[0041] Specifically, as Figure 3 The lift 4 includes screw lift. The screw lift includes a screw rod and a nut, the nut is threadedly connected with the screw rod, the nut is provided with the rotating shaft 3, the both ends of the rotating shaft 3 are installed on the turnover plate 5, the screw lift is driven by a servo motor, the screw rod starts to rotate under the drive of the servo motor, the nut moves linearly on the screw thread of the screw rod, the nut moves up and down along the screw rod, and then the nut moves up and down with the rotating shaft 3, the rotating shaft 3 drives the turnover plate 5 to move, when the nut moves upward, the rotating shaft 3 drives the turnover plate 5 to move upward, so that the compression strip 7 is away from the melon petal mould 10, when the nut moves downward, the rotating shaft 3 drives the turnover plate 5 to move downward, so that the compression strip 7 is close to the melon petal mould 10.

[0042] One end of the elevator 4 is provided with a hinge shaft 2, the hinge shaft 2 is fixed on the bottom side of the melon petal mold 10 through the hinge fixing frame 1, the rotating shaft 3 is arranged above the hinge shaft 2, the servo motor drives the spiral elevator through the cooperation of the belt and the pulley, the elevator 4 is hinged with the melon petal mold 10, which is conducive to the servo motor being arranged at different positions for driving.

[0043] Specifically, as shown in Figure 4 The melon petal mold 10 cooperates with the curvature of the melon petal, and the curvature of the melon petal mold 10 satisfies that the melon petal can be attached to the melon petal mold 10. One end of the larger curvature diameter is the bottom side of the melon petal mold 10. The rotating bracket 9 is arranged on the bottom side of the melon petal mold 10. The rotating bracket 9 is preferably arranged in two, and the two rotating brackets 9 are both provided with rotating holes. The elevator 4 is installed below the rotating bracket 9, and the hinge fixing frame 1 is fixed below the rotating bracket 9, so as to realize the hinge connection of the elevator 4 and the melon petal mold 10.

[0044] Specifically, as shown in Figure 5 The pressing strip 7 includes a first arc-shaped strip 71 and a second arc-shaped strip 72. One end of the first arc-shaped strip 71 is connected with one end of the second arc-shaped strip 72, and the other end of the first arc-shaped strip 71 is away from the other end of the second arc-shaped strip 72. The curvature of the first arc-shaped strip 71 and the second arc-shaped strip 72 is matched with the curvature of the melon petal mold 10. The middle part of the first arc-shaped strip 71 and the second arc-shaped strip 72 is provided with a pressing mechanism 8. The pressing mechanism 8 includes a pressing cylinder. When air is input into the pressing cylinder, the piston inside the pressing cylinder will be pressed, so that the first arc-shaped strip 71 and the second arc-shaped strip 72 obtain sufficient pressure to be fixed on the melon petal mold 10. When the pressing strip 7 approaches the melon petal mold 10, the curvature of the first arc-shaped strip 71 and the second arc-shaped strip 72 is consistent with the curvature of the melon petal mold 10, which is conducive to the pressing mechanism 8 pressing the melon petal mold 10.

[0045] The horizontal rib plates 6 are arranged between the first arc-shaped strips 71 and the second arc-shaped strips 72, and are arranged near one end of the first arc-shaped strips 71 and one end of the second arc-shaped strips 72 which are away from each other. The horizontal rib plates 6 preferably include two horizontal rib plates 6 which are arranged in parallel with each other. The turnover plates 5 include a first turnover plate 51 and a second turnover plate 52. One end of the first turnover plate 51 and one end of the second turnover plate 52 are respectively connected to the horizontal rib plates 6. The other end of the first turnover plate 51 and the other end of the second turnover plate 52 are respectively pivotally connected to the bottom side of the melon petal mold 10. The other end of the first turnover plate 51 is connected to one end of the rotating shaft 3 of the elevator 4. The other end of the second turnover plate 52 is connected to the other end of the rotating shaft 3 of the elevator 4. The two sides of one end of the first turnover plate 51 and one end of the second turnover plate 52 which are pivotally connected to the melon petal mold 10 are respectively provided with a first communication hole 53 and a second communication hole 54. The first communication hole 53 is close to the melon petal mold 10. The bottom side of the melon petal mold 10 is provided with a rotating support 9. The rotating support 9 is provided with a rotating hole. The first communication hole 53 and the rotating hole are connected through a shaft. The two ends of the rotating shaft 3 of the elevator 4 pass through the second communication holes 54 of the first turnover plate 51 and the second turnover plate 52 respectively. When two horizontal rib plates 6 are arranged, one horizontal rib plate 6 is located above the other horizontal rib plate 6, and the two horizontal rib plates 6 are arranged in parallel with each other. One end of the first turnover plate 51 and one end of the second turnover plate 52 are respectively intersected with the horizontal rib plate 6 above. The middle and lower parts of the first turnover plate 51 and the second turnover plate 52 are intersected with the horizontal rib plate 6 below. The other end of the first turnover plate 51 and the other end of the second turnover plate 52 are each divided into front and back sides. The first communication hole 53 is arranged on the back side close to the position of the melon petal mold 10. The first communication hole 53 is connected to the rotating hole through a shaft, so as to realize the pivotal connection between the first turnover plate 51, the second turnover plate 52 and the melon petal mold 10. The first turnover plate 51 and the second turnover plate 52 can be turned forward and backward relative to the melon petal mold 10 to complete the movement away from or close to the melon petal mold 10. The second communication hole 54 is arranged on the front side away from the position of the melon petal mold 10. The second communication hole 54 is connected to the rotating shaft 3 of the elevator 4, so as to realize the connection between the first turnover plate 51, the second turnover plate 52 and the rotating shaft 3 of the elevator 4. The elevator 4 drives the first turnover plate 51 and the second turnover plate 52 to move. The second turnover plate 52 is preferably the same in shape and size as the first turnover plate 51. The second turnover plate 52 is arranged in parallel with the first turnover plate 51.

[0046] Assembly process: the hinge fixing frame 1 of the elevator 4 is installed below the rotating support 9 of the melon petal mold 10. The rotating shaft 3 of the screw elevator is installed on the first turnover plate 51 and the second turnover plate 52 respectively. Similarly, the first turnover plate 51 and the second turnover plate 52 are installed on the rotating support 9 of the melon petal mold 10 to form an integral structure. The melon petal mold 10 serves as a fixed part at this time.

[0047] Action principle: the screw elevator is equipped with a rotating shaft 3, the screw elevator 4 drives the nut to move up and down along the screw rod, the rotating shaft 3 drives the turnover plate 5, the turnover plate 5 drives the pressing strip 7 to turn away from the melon petal mold 10 or close to the mold, and the pressing mechanism 8 presses the melon petal mold 10 when the pressing strip 7 is close to the melon petal mold 10.

[0048] The utility model provides a device of adopting screw elevator turnover pressing strip 7, adopts the form of screw elevator drive screw rod turnover pressing strip 7, has compact structure, responds fast, improves production efficiency etc.

[0049] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0050] The specific embodiments of the utility model have been described above. It should be understood that the utility model is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the utility model. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A compression band lifting device, characterized by, The utility model relates to a pumpkin carving mould (10), a compression strip (7), a turnover plate (5) and a lift (4), one end of the turnover plate (5) is fixed in the compression strip (7), the turnover plate (5) is rotatably connected at the bottom side of the pumpkin carving mould (10), the pivot (3) of the lift (4) is installed on the turnover plate (5), and the lift (4) is hinged at the bottom side of the pumpkin carving mould (10). The compression strip (7) moves away from the pumpkin carving mould (10) or moves close to the pumpkin carving mould (10) under the drive of the lift (4). The compression strip (7) comprises a first arc-shaped strip (71) and a second arc-shaped strip (72), one end of the first arc-shaped strip (71) is connected with one end of the second arc-shaped strip (72), and the other end of the first arc-shaped strip (71) is away from the other end of the second arc-shaped strip (72).

2. The clamping bar lifting device of claim 1, wherein Horizontal rib plates (6) are arranged between the first arc-shaped strip (71) and the second arc-shaped strip (72), and the horizontal rib plates (6) are arranged close to one end of the first arc-shaped strip (71) and one end of the second arc-shaped strip (72).

3. The clamping bar lifting device of claim 2, wherein The turnover plate (5) comprises a first turnover plate (51) and a second turnover plate (52), one end of the first turnover plate (51) and one end of the second turnover plate (52) are respectively connected with the horizontal rib plate (6), the other end of the first turnover plate (51) and the other end of the second turnover plate (52) are rotatably connected at the bottom side of the pumpkin carving mould (10), one end of the first turnover plate (51) is connected with one end of the pivot (3), and the other end of the second turnover plate (52) is connected with the other end of the pivot (3).

4. The compression band lifting device of claim 3, wherein, First communication holes (53) and second communication holes (54) are arranged on the two sides of one end of the first turnover plate (51) and one end of the second turnover plate (52) rotatably connected with the pumpkin carving mould (10).

5. The clamping bar lifting device of claim 4, wherein The first communication hole (53) is close to the pumpkin carving mould (10), a rotating support (9) is arranged at the bottom side of the pumpkin carving mould (10), a rotating hole is arranged on the rotating support (9), and the first communication hole (53) and the rotating hole are connected through a shaft. The two ends of the pivot (3) pass through the second communication holes (54) of the first turnover plate (51) and the second turnover plate (52) respectively. The horizontal rib plate (6) comprises two horizontal rib plates (6) arranged in parallel.

6. The compression band lifting device of claim 3, wherein, One end of the lift (4) is provided with a hinge shaft (2), and the hinge shaft (2) is fixed at the bottom side of the pumpkin carving mould (10) through a hinge fixing frame (1).

7. The clamping bar lifting device of claim 1, wherein The lift (4) comprises a spiral lift.

8. The clamping bar lifting device of claim 1, wherein The curvature of the first arc-shaped strip (71) and the second arc-shaped strip (72) matches the curvature of the pumpkin carving mould (10).

9. The compression band lifting device of claim 2, wherein, The middle part of the first arc-shaped strip (71) and the second arc-shaped strip (72) is provided with a compression mechanism (8).

10. The compression band upgrade apparatus of claim 2, wherein, ​

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