Plate edge rolling and welding device for pressure container manufacturing

Abstract

The utility model discloses a plate edge rolling welding device for manufacturing a pressure vessel, which belongs to the technical field of plate edge rolling welding, is clamped at a gap of an edge rolling workpiece, and comprises a left clamp, a middle jacking tool and a right clamp which are sequentially arranged from left to right, the right clamp is in threaded connection with a main screw rod, and the main screw rod penetrates through the middle jacking tool to be rotatably connected with the left clamp; the left clamp is detachably connected with the left end of the gap of the edge rolling workpiece in a clamped mode, the middle ejecting tool is opposite to the gap of the edge rolling workpiece in position, and the right clamp is detachably connected with the right end of the gap of the edge rolling workpiece in a clamped mode. The rolling workpiece welding device is specially designed for welding rolling workpieces of small and micro enterprises, the two ends of gaps of the rolling workpieces can be kept aligned, and the rolling workpiece welding device is simple in structure, low in manufacturing cost and quite suitable for being used by the small and micro enterprises.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate coiling welding technical field, concretely relates to a plate coiling welding device for pressure vessel manufacturing. BACKGROUND

[0002] In the manufacturing process of pressure vessels, the coiling and welding of plates is one of the key steps, and the traditional manufacturing method mainly comprises the following steps: firstly, coiling a flat metal plate into a required cylindrical shape through a plate coiling machine, and then performing welding work on butt joints.

[0003] However, the traditional production process has the following problems: the two ends of the coiled workpiece gap may not be aligned during butt joint welding, and adjustment is required to ensure the welding quality.

[0004] The patent with the authorized announcement number CN117961358 and the name of a plate coiling welding device for pressure vessel manufacturing is provided with two coiling assemblies, which are reversely driven after coiling to move the two ends of the coiled plate towards each other, effectively solving the misalignment problem of the coiled plate joint position, but the device has the problems of large size and high manufacturing and using cost, and is not suitable for small and micro enterprises. UTILITY MODEL CONTENTS

[0005] In view of the above problems of the prior art, the utility model provides a plate coiling welding device for pressure vessel manufacturing, which is designed for small and micro enterprises to coiling and welding workpieces, can keep the two ends of the coiled workpiece gap aligned, has a simple structure, low cost, and is suitable for small and micro enterprises.

[0006] To solve the above technical problems, the utility model provides a plate coiling welding device for pressure vessel manufacturing, which is clamped at the coiled workpiece gap and comprises a left clamp, a middle top fixture and a right clamp arranged in sequence from left to right, the right clamp is threadedly connected with a main screw rod, and the main screw rod is rotationally connected with the left clamp through the middle top fixture; the left clamp is detachably clamped with the left end of the coiled workpiece gap, the middle top fixture is opposite to the coiled workpiece gap position, and the right clamp is detachably clamped with the right end of the coiled workpiece gap.

[0007] In the further improvement of the utility model, the left clamp comprises an upper left clamp plate rotationally connected with the main screw rod, the upper left clamp plate is threadedly connected with a left screw rod, and the left screw rod is rotationally connected with a lower left clamp plate.

[0008] Through the above design, the left clamp can be opened and closed more conveniently.

[0009] In the further improvement of the utility model, the main screw rod is connected with a main bearing, and the main bearing is embedded with the upper left clamp plate.

[0010] Through the above design, the scheme can be more convenient to avoid the upper left clamping plate rotating with the main screw.

[0011] In the further improvement of the utility model, the left screw is connected with a left bearing, and the left bearing is embedded with the lower left clamping plate.

[0012] Through the above design, the scheme can be more convenient to avoid the lower left clamping plate rotating with the left screw.

[0013] In the further improvement of the utility model, the middle top device comprises a middle top block which is sleeved with the main screw, the middle top block is threadedly connected with a middle screw, and the middle screw is rotatably connected with a middle top plate.

[0014] Through the above design, the scheme can be more convenient to make the middle top device stretch and retract.

[0015] In the further improvement of the utility model, the middle screw is connected with a middle bearing, and the middle bearing is embedded with the middle top plate.

[0016] Through the above design, the scheme can be more convenient to avoid the middle top plate rotating with the middle screw.

[0017] In the further improvement of the utility model, the right clamp comprises an upper right clamping plate which is threadedly connected with the main screw, the upper right clamping plate is threadedly connected with a right screw, and the right screw is rotatably connected with a lower right clamping plate.

[0018] Through the above design, the scheme can be more convenient to open and close the right clamp.

[0019] In the further improvement of the utility model, the right screw is connected with a right bearing, and the right bearing is embedded with the lower right clamping plate.

[0020] Through the above design, the scheme can be more convenient to avoid the lower right clamping plate rotating with the right screw.

[0021] Compared with the prior art, the utility model has the advantages of:

[0022] The utility model is specially designed for small and micro enterprise coiling workpiece welding, can keep the alignment of the gap of the coiling workpiece, has simple structure, low cost, and is very suitable for small and micro enterprises. DRAWINGS

[0023] For the purpose of illustrating the technical solutions of the present application more clearly, the drawings used in the prior art or the specific embodiments will be briefly introduced as follows; obviously, the structures, proportions, sizes, etc. shown in the drawings of the specification are merely used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the limiting conditions of the present application which can be implemented, therefore, they do not have the technical essence, any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the functions and purposes of the present application, should still fall within the scope of the technical content disclosed by the present application.

[0024] Figure 1 The use state schematic diagram of the specific embodiment of the present application.

[0025] Figure 2 The first perspective structural schematic diagram of the specific embodiment of the present application.

[0026] Figure 3 The second perspective structural schematic diagram of the specific embodiment of the present application.

[0027] As shown in the drawings: 1, the round workpiece; 2, the left clamp; 3, the middle top fixture; 4, the right clamp; 5, the main screw; 6, the upper left clamping plate; 7, the left screw; 8, the left bearing; 9, the lower left clamping plate; 10, the main bearing; 11, the middle top block; 12, the middle screw; 13, the middle bearing; 14, the middle top plate; 15, the upper right clamping plate; 16, the right screw; 17, the right bearing; 18, the lower right clamping plate. Specific embodiment

[0028] In order to make the person skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments, based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0029] Meanwhile, the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like in the description 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 devices or elements 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. Change or adjustment of the relative relationship, without substantial change of the technical content, is also regarded as the scope of the present application.

[0030] Meanwhile, in the description of the present application, it should be noted 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 integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication inside two components, and those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0031] The traditional production process of plate rolling has the following problems: in the butt welding process, the ends of the rolling workpiece gap are not necessarily aligned, in order to ensure the welding quality, adjustment is needed.

[0032] The patent with authorization announcement number CN117961358 and name of plate rolling and welding device for pressure vessel manufacturing, by setting two groups of rolling components, after rolling is completed, the two ends of the rolling plate are driven in opposite directions by the two rolling components, which effectively solves the problem of misalignment of the plate rolling joint position, but the device has the problems of large equipment volume and high manufacturing and using cost, which is not suitable for small and micro enterprises.

[0033] Therefore, the design concept of the present application is to design a device with simple structure, low cost and keeping the ends of the rolling workpiece gap aligned.

[0034] As shown in Figures 1-3 The present application provides a plate rolling and welding device for pressure vessel manufacturing, which is clamped at the gap of the rolling workpiece 1, and includes left clamp 2, middle clamp 3 and right clamp 4 arranged in sequence from left to right, the right clamp 4 is threadedly connected with main screw 5, and the main screw 5 is rotationally connected with the left clamp 2 through the middle clamp 3; the left clamp 2 is detachably clamped with the left end of the rolling workpiece 1 gap, the middle clamp 3 is opposite to the rolling workpiece 1 gap position, and the right clamp 4 is detachably clamped with the right end of the rolling workpiece 1 gap.

[0035] The left clamp 2 comprises an upper left clamp plate 6 connected with the main screw 5, the upper left clamp plate 6 is threadedly connected with a left screw 7, and the left screw 7 is rotatably connected with a lower left clamp plate 9.

[0036] In use, the left screw 7 is screwed to lift the lower left clamp plate 9 to be close to the upper left clamp plate 6, and then the left clamp 2 clamps the left end of the gap of the coiled workpiece 1.

[0037] The main screw 5 is connected with a main bearing 10, and the main bearing 10 is embedded with the upper left clamp plate 6; in use, the main screw 5 is screwed to make the left clamp 2 close to the right clamp 4, and then the left clamp 2 and the right clamp 4 are tensioned.

[0038] The middle top device 3 comprises a middle top block 11 which is slidably sleeved with the main screw 5, the middle top block 11 is threadedly connected with a middle screw 12, and the middle screw 12 is rotatably connected with a middle top plate 14; the middle screw 12 is connected with a middle bearing 13, and the middle bearing 13 is embedded with the middle top plate 14.

[0039] In use, the middle screw 12 is screwed to make the middle top plate 14 close to and tightly press the two end heads of the gap.

[0040] The right clamp 4 comprises an upper right clamp plate 15 which is threadedly connected with the main screw 5, the upper right clamp plate 15 is threadedly connected with a right screw 16, and the right screw 16 is rotatably connected with a lower right clamp plate 18; the right screw 16 is connected with a right bearing 17, and the right bearing 17 is embedded with the lower right clamp plate 18.

[0041] In use, the right screw 16 is screwed to lift the lower right clamp plate 18 to be close to the upper right clamp plate 15, and then the right clamp 4 clamps the right end of the gap of the coiled workpiece 1.

[0042] In use, first, the two devices are loosely clamped at the two ends of the coiled workpiece 1, then the two sides of the gap of the coiled workpiece 1 are aligned by artificial pushing, then the left screw 7 is screwed to clamp the left end of the gap of the coiled workpiece 1, the right screw 16 is screwed to clamp the right end of the gap of the coiled workpiece 1, the main screw 5 is screwed to tension the left clamp 2 and the right clamp 4, and the middle screw 12 is screwed to tightly press the two end heads of the gap, as shown in the figure, the device can keep the two sides of the gap of the coiled workpiece 1 aligned, and finally welding can be performed. Figure 1

[0043] ​Although the utility model has been described in detail by referring to the drawings and in combination with the preferred embodiments, the utility model is not limited thereto, and various equivalent modifications or replacements can be made to the embodiments of the utility model by those skilled in the art without departing from the spirit and essence of the utility model, and these modifications or replacements shall be within the scope of the utility model / any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, and all shall be covered within the protection scope of the utility model, therefore, the protection scope of the utility model shall be subject to the protection scope of the claims.

Claims

1. A plate rolling and welding device for pressure vessel manufacturing, characterized in that, The clamping device, positioned at the gap of a rolled workpiece, comprises a left clamp, a middle ejector, and a right clamp arranged sequentially from left to right. The right clamp is threadedly connected to a main screw, which passes through the middle ejector and is rotatably connected to the left clamp. The left clamp is detachably clamped to the left end of the gap in the rolled workpiece. The middle ejector is positioned opposite the gap in the rolled workpiece. The right clamp is detachably clamped to the right end of the gap in the rolled workpiece.

2. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 1, characterized in that, The left clamp includes an upper left clamping plate rotatably connected to the main screw, the upper left clamping plate being threadedly connected to the left screw, and the left screw being rotatably connected to the lower left clamping plate.

3. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 2, characterized in that, The main screw is connected to a main bearing, and the main bearing is fitted into the upper left clamping plate.

4. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 2, characterized in that, The left screw is connected to a left bearing, and the left bearing is engaged with the lower left clamping plate.

5. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 1, characterized in that, The central jack includes a central jack block that is slidably sleeved with the main screw, the central jack block is threadedly connected to the central screw, and the central screw is rotatably connected to the central jack plate.

6. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 5, characterized in that, The central screw is connected to a central bearing, and the central bearing is embedded in the central top plate.

7. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 1, characterized in that, The right clamp includes an upper right clamp plate that is threadedly connected to the main screw, a right screw that is threadedly connected to the upper right clamp plate, and a lower right clamp plate that is rotatably connected to the right screw.

8. The plate rolling and welding apparatus for pressure vessel manufacturing according to claim 7, characterized in that, The right screw is connected to a right bearing, and the right bearing is engaged with the lower right clamping plate.

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