Welding and tightening device for circular filter screen

Abstract

The utility model discloses a welding and tightening device for a circular filter screen. The welding and tightening device comprises a pressing strip, a pressing tool, a cover plate and a forming groove. The forming groove comprises a groove body and a groove hole formed by sinking the middle part of the upper surface of the groove body; the pressing strip is annular, surrounds the groove hole and is used for being pressed on the circular filter screen; the pressing tool is pressed on the pressing strip and is used for pressing the circular filter screen; the cover plate is located in the groove hole and matched with the groove hole, and the circular filter screen is pressed into the groove hole through the cover plate so that the circular filter screen can be formed. A plurality of welding notches are formed in the outer edge of the cover plate and used for direct welding of the circular filter screen after forming. The pressing strip, the pressing tool, the cover plate and the forming groove are arranged, the pressing tool is pressed on the pressing strip and used for pressing the circular filter screen, the cover plate presses the circular filter screen into the groove hole so that the circular filter screen can be formed, the multiple welding notches are formed in the outer edge of the cover plate, the circular filter screen can be directly welded after being formed, and therefore the forming welding quality and efficiency can be remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding jigs, in particular to a circular filter screen welding and tightening device. BACKGROUND

[0002] At present, sheet metal often faces assembly quality problems, especially some sheet metal steel structure products cannot be assembled due to welding deformation, resulting in product scrap, and seriously affecting product manufacturing cost. CONTENT OF THE INVENTION

[0003] To solve the above technical problems, the purpose of the present application is to provide a circular filter screen welding and tightening device capable of improving the forming and welding quality and efficiency.

[0004] The technical scheme provided by the present application is as follows:

[0005] A circular filter screen welding and tightening device, comprising a pressing strip, a pressing tool, a cover plate and a forming groove; the forming groove comprises a groove body and a groove hole formed by recessing the middle part of the upper surface of the groove body; the pressing strip is annular and surrounds the groove hole and is used for pressing on the circular filter screen; the pressing tool is used for pressing the circular filter screen; the cover plate is located inside the groove hole and cooperates with the groove hole; the circular filter screen is formed by pressing the circular filter screen to the inside of the groove hole through the cover plate; and a plurality of welding notches are arranged on the outer edge of the cover plate for directly welding the circular filter screen after forming.

[0006] Preferably, a jack support beam is further included for placing a jack to press the cover plate to the inside of the groove hole through the jack.

[0007] Preferably, a lifting rod and a hook are further included, the hook is installed on the cover plate during lifting operation, and the cover plate is lifted through the hook by the lifting rod.

[0008] Preferably, a plurality of pressing tools are uniformly distributed around the pressing strip.

[0009] Preferably, the welding notches are uniformly distributed along the circumference of the cover plate.

[0010] Preferably, the welding notches are square.

[0011] Preferably, the welding notches are equal in size.

[0012] Compared with the prior art, the circular filter screen welding and tightening device of the present application sets the pressing strip, the pressing tool, the cover plate and the forming groove, the pressing tool is used for pressing the circular filter screen, the cover plate presses the circular filter screen to the inside of the groove hole to form the circular filter screen, a plurality of welding notches are arranged on the outer edge of the cover plate for directly welding the circular filter screen after forming, thereby significantly improving the forming and welding quality and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only represent some of the embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a perspective view of the circular filter screen welding and tightening device according to the embodiment of the present application.

[0015] Figure 2 It is a perspective view of the circular filter screen welding and tightening device according to the embodiment of the present application. Figure 1 It is a top view of the circular filter screen welding and tightening device according to the embodiment of the present application.

[0016] Figure 3 It is a top view of the cover plate in the circular filter screen welding and tightening device according to the embodiment of the present application. Figure 1 It is a top view of the cover plate in the circular filter screen welding and tightening device according to the embodiment of the present application.

[0017] Figure 4 It is a perspective view of the product obtained by using the circular filter screen welding and tightening device according to the embodiment of the present application. Figure 1 Specific implementation In order to make those 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 below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0019] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 therefore cannot be understood as indicating or implying 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 limiting the present application.

[0020] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 therefore cannot be understood as indicating or implying 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 limiting the present application.

[0021] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as implying or suggesting relative importance or an indicated number of technical features. Thus, features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0022] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effect and purpose that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0023] As shown in Figures 1 to 4 the embodiment of the present application provides a circular filter screen welding and tightening device, mainly comprising a forming groove 1, a pressing strip 2, a pressing tool 3 and a cover plate 4.

[0024] The forming groove 1 comprises a groove body 11 and a groove hole 12 formed by recessing the middle part of the upper surface of the groove body 11. The groove body 11 is in the shape of a rectangular block, and the groove hole 12 is in the shape of a cylinder.

[0025] The pressing strip 2 is annular and is used to press on the circular filter screen 5. The pressing strip 2 surrounds the groove hole 12 and has an inner diameter slightly larger than the diameter of the groove hole 12.

[0026] The pressing tool 3 is pressed on the pressing strip 2 and is used to press the circular filter screen 5. The pressing tool 3 has a plurality of pressing heads 31, which are uniformly distributed around the pressing strip 2. The pressing tool 3 comprises a pressing head 31 and a hinge part 32, and the pressing head 31 is rotatably connected to the groove body 11 through the hinge part 32. During use, the rotating pressing head 31 is pressed on the pressing strip 2 to limit the upward lifting of the pressing strip 2.

[0027] The cover plate 4 is in the shape of a circular plate and has an outer diameter slightly smaller than the diameter of the groove hole 12. The cover plate 4 is located inside the groove hole 12 and cooperates with the groove hole 12 to form the circular filter screen 5 by pressing the circular filter screen 5 to the bottom of the groove hole 12.

[0028] A through hole 41 is provided in the middle of the cover plate 4, and a plurality of welding notches 42 are provided on the outer edge of the cover plate 4, which are used for the circular filter screen 5 to be directly welded with an inner circular ring-shaped pressing plate 9 placed at the bottom of the groove hole 12 after being formed, and the position of the inner circular ring-shaped pressing plate 9 corresponds to the circumference of the welding notches 42 (the product after welding is as shown in Figure 4 ). In the embodiment, the welding notches 42 are all square and have equal sizes, and are uniformly distributed along the circumference of the cover plate 4.

[0029] In the embodiment, the circular filter screen welding and tightening device further comprises a jack support beam 6 for placing a jack (not shown) to press the cover plate 4 against the circular filter screen 5 to the inside of the slot hole 12 by the jack. The jack support beam 6 can be fixed on the groove body 11 by welding or other means.

[0030] In the embodiment, the circular filter screen welding and tightening device further comprises a lifting rod 7 and a hook 8, which are used for lifting operation. The hook 8 is installed at the through hole 41 of the cover plate 4, and the cover plate 4 is lifted by the hook 8 through the lifting rod 7.

[0031] Compared with the prior art, the circular filter screen welding and tightening device has the following advantages:

[0032] The circular filter screen welding and tightening device is provided with the pressing tool 3, which can ensure that the circular filter screen 5 does not move during welding.

[0033] The circular filter screen welding and tightening device is provided with the pressing strip 2, which can ensure that the pressing tool 3 does not directly press on the circular filter screen 5, thereby avoiding damage to the product.

[0034] The circular filter screen welding and tightening device is provided with the jack support beam 6, which cooperates with the cover plate 4 and the forming groove 1 to ensure that the product does not deform during welding of the circular filter screen 5 and ensure that the appearance is consistent.

[0035] The circular filter screen welding and tightening device is provided with the cover plate 4 having a uniform size welding gap 42, which cooperates with the jack support beam 6 and the forming groove 1 to ensure that the circular filter screen 5 is directly welded after forming and the size of the welding seam is consistent.

[0036] The circular filter screen welding and tightening device is provided with the circular slot hole 12, which can effectively ensure that the product is quickly formed under the cooperation of the cover plate 4, the jack and the support beam 6.

[0037] The circular filter screen welding and tightening device is provided with the lifting rod 7 and the hook 8, which facilitates the workers to perform the lifting operation of the cover plate 4 and can reduce the working intensity of the workers.

[0038] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A circular filter screen welding and tautening device, characterized by, It comprises a pressing strip, a pressing tool, a cover plate and a forming groove; the forming groove comprises a groove body and a groove hole formed by concave in the middle of the upper surface of the groove body; the pressing strip is annular and surrounds the groove hole for pressing on the circular filter screen; the pressing tool presses on the pressing strip for pressing the circular filter screen; the cover plate is located inside the groove hole and cooperates with the groove hole to form the circular filter screen by pressing the circular filter screen into the groove hole; the outer edge of the cover plate is provided with a plurality of welding notches for directly welding the circular filter screen after forming.

2. The circular screen welding taut device according to claim 1, wherein It also comprises a jack support beam for placing a jack to press the cover plate by the jack to press the circular filter screen into the groove hole.

3. The circular screen welding taut device according to claim 1, wherein It also comprises a lifting rod and a hook for lifting operation, the hook is installed on the cover plate and the cover plate is lifted by the hook through the lifting rod.

4. The circular screen welding taut device according to claim 1, wherein The pressing tool is multiple and uniformly distributed around the pressing strip.

5. The circular screen welding taut device according to claim 1, wherein The welding notches are uniformly distributed along the circumference of the cover plate.

6. The circular screen welding taut device according to claim 1, wherein The welding notches are square.

7. The circular screen welding taut device according to claim 1, wherein The welding notches are equal in size.

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