Steel plate arc pressing device for pressure vessel manufacturing

Abstract

The utility model relates to the technical field of pressure vessel manufacturing, in particular to a steel plate arc pressing device for pressure vessel manufacturing, which comprises a base, an arc pressing groove is arranged on the upper surface of the base, an arc pressing block is arranged above the arc pressing groove, and the lower surface of the arc pressing block is of an arc structure. The arc pressing block is fixed to one end of the base, the arc surface of the arc pressing block and the arc surface of the arc pressing groove are located on the same axis, a connecting plate is fixed to one end of the arc pressing block, a first electric telescopic rod is fixed to the connecting plate, a first fixing plate is fixed to the first electric telescopic rod, and the first fixing plate is fixed to one end of the base. When the arc pressing device is used, multiple times of arc pressing operation can be carried out on a steel plate by rotating the steel plate, the arc pressing device is not limited by the position of the arc pressing block, the steel plate can be machined into a cylindrical structure on the premise that equipment is not replaced, the working procedure is simple, and meanwhile excessive space in a workshop cannot be occupied.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel manufacturing technical field especially relates to a kind of steel plate arc pressing device of pressure vessel manufacturing. BACKGROUND

[0002] When pressure vessel is manufactured, because the barrel of pressure vessel is cylindrical structure, so when processing, arc operation is needed to raw material steel plate.In the public number CN215785870U discloses a kind of steel plate fast arc pressing device, by setting arc track, sliding press mould, guide block, fixed mould, upper mould, bottom fixed block, when bending steel plate, steel plate is placed in the top of fixed mould, start upper mould and stamp downwards, steel plate is gradually pressed deformation in the process of stamping downwards, the bottom of deformed steel plate moves downwards and extrudes guide block, guide block pushes sliding press mould and moves upwards along arc track while extruding both ends of steel plate, when upper mould presses steel plate and contacts fixed block, stop, let steel plate be stamped into arc shape once.

[0003] Based on the above content, it can be known that, in the process of stamping, upper mould extrudes steel plate from top to bottom, although steel plate can be pressed into arc shape, but the barrel of pressure vessel is cylindrical structure, is limited by the structure of upper mould, let steel plate only can be pressed into arc shape, and cannot be pressed into cylindrical structure by rotating and extruding multiple times, after steel plate is pressed into arc shape, other equipment needs to be replaced for processing, process is complicated, and it also occupies too much space in workshop. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that steel plate arc pressing device in prior art is complicated in process and occupies too much space in workshop when using, and provides a kind of steel plate arc pressing device of pressure vessel manufacturing.

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

[0006] Design a kind of steel plate arc pressing device of pressure vessel manufacturing, including base, the upper surface of the base is equipped with arc-shaped arc pressing groove, the arc pressing groove is equipped with arc pressing block above, the lower surface of the arc pressing block is arc-shaped structure, and the arc surface on the arc pressing block and the arc surface on the arc pressing groove are on the same axial line, one end of the arc pressing block is fixed with connecting plate, the first electric telescopic rod is fixed on the connecting plate, the first fixed plate is fixed on the first electric telescopic rod, and the first fixed plate is fixed on one end of the base.

[0007] Preferably, the arc pressing block is fixed with auxiliary down-pressing mechanism.

[0008] Preferably, the auxiliary pressing mechanism comprises a cavity arranged in the interior of the arc pressing block and a hole arranged on the arc pressing block and connected with the cavity, and a plug-in rod is arranged in the hole, and a third electric telescopic rod is fixed on the plug-in rod and fixed in the cavity.

[0009] Preferably, the plug-in rod is made of a self-lubricating rod.

[0010] Preferably, a second end of the base is fixed with a downward pulling auxiliary mechanism.

[0011] Preferably, the downward pulling auxiliary mechanism comprises a second fixed plate fixed on the second end of the base, a linear motor fixed on the second fixed plate, a second electric telescopic rod fixed on the sliding block of the linear motor, and a cylinder fixed on the second electric telescopic rod.

[0012] Preferably, the inner circumferential diameter of the cylinder is greater than the diameter of the plug-in rod.

[0013] The steel plate arc pressing device for pressure vessel manufacturing has the advantages that: when the steel plate arc pressing device for pressure vessel manufacturing is used, the arc pressing operation can be performed on the steel plate for multiple times without being limited by the position of the arc pressing block, and the steel plate can be processed into a cylindrical structure without replacing the equipment, so that the process is simple and the device does not occupy too much space in the workshop. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the steel plate arc pressing device for pressure vessel manufacturing.

[0015] Figure 2 It is a left view of the steel plate arc pressing device for pressure vessel manufacturing.

[0016] Figure 3 It is a rear view of the steel plate arc pressing device for pressure vessel manufacturing.

[0017] Figure 4 It is a top view of the steel plate arc pressing device for pressure vessel manufacturing.

[0018] Figure 5 It is a front view of the steel plate arc pressing device for pressure vessel manufacturing when the arc pressing is performed.

[0019] Figure 6 It is a state diagram of the second electric telescopic rod when the steel plate is discharged after the arc pressing of the steel plate arc pressing device for pressure vessel manufacturing is completed.

[0020] In the figure: 1, base; 2, arc pressing groove; 3, first fixed plate; 4, first electric telescopic rod; 5, connecting plate; 6, arc pressing block; 7, second fixed plate; 8, linear motor; 9, second electric telescopic rod; 10, cylinder; 11, cavity; 12, third electric telescopic rod; 13, plug-in rod; 14, hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Embodiment 1: with reference to Figure 1 , 2 and 4, a steel plate arc pressing device for pressure vessel manufacturing, comprising a base 1, an arc-shaped arc pressing groove 2 is arranged on the upper surface of the base 1, an arc pressing block 6 is arranged above the arc pressing groove 2, the lower surface of the arc pressing block 6 is of arc-shaped structure, and the arc surface on the arc pressing block 6 and the arc surface on the arc pressing groove 2 are on the same axial line, so that the arc pressing block 6 and the arc pressing groove 2 can cooperate with each other to press the steel plate to the required arc when the arc pressing block 6 and the arc pressing groove 2 press the steel plate.

[0023] One end of the arc pressing block 6 is fixed with a connecting plate 5, the first electric telescopic rod 4 is fixed on the connecting plate 5, the first fixed plate 3 is fixed on the first electric telescopic rod 4, and the first fixed plate 3 is fixed on one end of the base 1, so that the arc pressing block 6 is driven to move by the extension and contraction of the first electric telescopic rod 4.

[0024] In use, the steel plate is inserted between the arc pressing block 6 and the base 1, then the first electric telescopic rod 4 is started, the arc pressing block 6 is driven to move downward by the first electric telescopic rod 4, the arc pressing block 6 is used to press the steel plate in the arc pressing groove 2, the steel plate is pressed into the required arc shape, then the steel plate is taken out of the arc pressing groove 2, the steel plate is rotated, and the arc pressing block 6 is used to press the steel plate again, so that the steel plate can be pressed multiple times, the position of the arc pressing block 6 is not limited, the steel plate can be processed into a cylindrical structure without replacing the equipment, the process is simple, and the workshop is not occupied by too much space.

[0025] Embodiment 2: in embodiment 1, the downward movement of the arc pressing block 6 relies on the contraction of the first electric telescopic rod 4, but the acting force of the downward movement of the arc pressing block 6 acts on one end of the arc pressing block 6, which is not conducive to the fixed connection between the connecting plate 5 and the first electric telescopic rod 4, with reference to Figures 2-6As another preferred embodiment of the utility model, the difference from the embodiment 1 is that the arc pressing block 6 is fixed with an auxiliary pressing mechanism, the auxiliary pressing mechanism includes a cavity 11 and a hole 14, the cavity 11 is arranged in the interior of the arc pressing block 6, the hole 14 is arranged on the arc pressing block 6, and the cavity 11 is communicated with the outside through the hole 14, a plug-in rod 13 is inserted in the hole 14, the plug-in rod 13 is made of a self-lubricating rod, when the plug-in rod 13 made of the self-lubricating rod moves in the hole 14, the friction between the plug-in rod 13 and the sidewall of the hole 14 can be reduced, the plug-in rod 13 can move smoothly in the hole 14, the third electric telescopic rod 12 is fixed on the plug-in rod 13, and the third electric telescopic rod 12 is fixed in the cavity 11, and the third electric telescopic rod 12 is used to control the plug-in rod 13 to move in the hole 14.

[0026] The other end of the base 1 is fixed with a downward pulling auxiliary mechanism, the downward pulling auxiliary mechanism includes a second fixed plate 7, the second fixed plate 7 is fixed on the other end of the base 1, the second fixed plate 7 and the first fixed plate 3 are symmetrically arranged on the base 1, a linear motor 8 is fixed on the second fixed plate 7, a second electric telescopic rod 9 is fixed on the sliding block of the linear motor 8, and a cylinder 10 is fixed on the second electric telescopic rod 9, the position of the cylinder 10 is adjusted by using the linear motor 8 and the second electric telescopic rod 9, the inner circumferential diameter of the cylinder 10 is greater than the diameter of the plug-in rod 13, the plug-in rod 13 can be inserted in the cylinder 10, and the arc pressing block 6 is driven downward.

[0027] In use, the linear motor 8 drives the second electric telescopic rod 9 and the cylinder 10 to one side of the arc pressing groove 2, so that the feeding of the steel plate or the discharging of the steel plate pressed into a cylindrical shape is not affected, in the process of pressing the arc, the cylinder 10 is moved to the coaxial position of the plug-in rod 13 by using the cooperation of the linear motor 8 and the second electric telescopic rod 9, then the third electric telescopic rod 12 is started, the third electric telescopic rod 12 pushes the plug-in rod 13 out of the hole 14 until the plug-in rod 13 is inserted in the cylinder 10, then the third electric telescopic rod 12 and the first electric telescopic rod 4 are synchronously retracted, so that the two ends of the arc pressing block 6 are moved downward together, and the arc pressing block 6 completes the arc pressing operation on the steel plate, so that the stress on the steel plate in the process of being pressed by the arc pressing block 6 is more uniform, the effect when the steel plate is pressed is ensured, and the firmness of the fixed connection between the connecting plate 5 and the first electric telescopic rod 4 is ensured.

[0028] The above is only a preferred specific embodiment 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.

Claims

1. A steel sheet arc-pressing device for pressure vessel manufacturing, comprising a base (1), characterized in that, The upper surface of the base (1) is provided with an arc-shaped pressing arc groove (2), the upper surface of the pressing arc groove (2) is provided with a pressing arc block (6), the lower surface of the pressing arc block (6) is an arc-shaped structure, the arc surface of the pressing arc block (6) and the arc surface of the pressing arc groove (2) are on the same axis, one end of the pressing arc block (6) is fixedly provided with a connecting plate (5), the connecting plate (5) is fixedly provided with a first electric telescopic rod (4), the first electric telescopic rod (4) is fixedly provided with a first fixed plate (3), and the first fixed plate (3) is fixed to one end of the base (1).

2. The press vessel manufacturing sheet bending apparatus of claim 1, wherein, The pressing arc block (6) is fixedly provided with an auxiliary pressing mechanism.

3. The press vessel manufacturing sheet presser according to claim 2, wherein, The auxiliary pressing mechanism comprises a cavity (11) and a hole (14), the cavity (11) is arranged in the pressing arc block (6), the hole (14) is arranged on the pressing arc block (6), the cavity (11) is connected with the outside through the hole (14), and the hole (14) is inserted with an inserted rod (13), the inserted rod (13) is fixedly provided with a third electric telescopic rod (12), and the third electric telescopic rod (12) is fixed in the cavity (11).

4. The press vessel manufacturing sheet presser according to claim 3, wherein, The inserted rod (13) is made of a self-lubricating rod.

5. The press vessel manufacturing sheet presser according to claim 3, wherein, The other end of the base (1) is fixedly provided with a downward pulling auxiliary mechanism.

6. The press vessel manufacturing sheet presser according to claim 5, wherein, The downward pulling auxiliary mechanism comprises a second fixed plate (7), the second fixed plate (7) is fixed to the other end of the base (1), the second fixed plate (7) is fixedly provided with a linear motor (8), the sliding block of the linear motor (8) is fixedly provided with a second electric telescopic rod (9), and the second electric telescopic rod (9) is fixedly provided with a cylinder (10).

7. The press vessel manufacturing sheet presser according to claim 6, wherein, The inner circumferential diameter of the cylinder (10) is greater than the diameter of the inserted rod (13).

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