Air hammer structure and control method using magnetic alignment technology

By adopting the air hammer structure with magnetic accelerating technology, the problem of difficulty in flattening the weld after welding of the curved process plate is solved, and efficient and stable weld flattening effect is achieved.

CN115301762BActive Publication Date: 2025-03-25ZHEJIANG SHENGYUAN CULTURE & ART CO LTD
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Patent Information

Application Number
CN202210789510.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-06
Publication Date
2025-03-25
Estimated Expiration
2042-07-06

AI Technical Summary

Technical Problem

The prior art is difficult to effectively level the welds after welding the curved process plate, and the manual repair efficiency is low, which can easily lead to deformation.

Method used

The air hammer structure adopts magnetic accelerator technology, through a pair of magnetic accelerator mechanisms distributed in a mirror symmetrical manner, combined with the drive cylinder and the magnetic accelerator positioning bracket, the precise knocking and smoothing of the welds is achieved.

Benefits of technology

It achieves efficient and smooth welding seams, compact structure, good operating stability, significant effect, and not easy to deform.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to an air hammer structure and a control method thereof using magnetic alignment technology, which belongs to the technical field of sheet metal air hammer devices, and includes a pair of magnetic air hammer mechanisms distributed in a mirror-symmetrical manner, wherein the magnetic air hammer mechanism includes a driving cylinder, the front end of the driving cylinder is provided with an air hammer punch that is fixedly inserted and fixed with the driving cylinder in a clamping manner, the front part of the driving cylinder is provided with a magnetic positioning bracket that is integrated with the driving cylinder and welded and fixed in a sleeve manner, and the magnetic positioning bracket is provided with a plurality of magnetic positioning components that are distributed in an annular manner and connected and fixed with the magnetic positioning bracket. It has the advantages of compact structure, good operating stability, good effect and not easy to deform. It solves the problem of leveling the weld after welding and grinding of the curved process plate.
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Description

Technical Field

[0001] The invention relates to the technical field of sheet metal pneumatic hammer devices, and in particular to a pneumatic hammer structure adopting a magnetic attraction alignment technology and a control method thereof. Background Art

[0002] When making handmade craft sheet metal parts, you will encounter welding two curved craft plates to connect and fix them. After the weld is polished, the weld becomes uneven due to the influence of welding stress. Currently, manual repair is widely used, but the manual process involves knocking on both sides or repeatedly trimming both sides with a handheld air hammer. Summary of the invention

[0003] The present invention mainly solves the shortcomings of the prior art, such as poor operating stability, poor effect and easy deformation, and provides a pneumatic hammer structure and control method using magnetic alignment technology, which has the advantages of compact structure, good operating stability, good effect and not easy to deform. It solves the problem of flattening the weld after welding and grinding of curved process plates.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0005] A pneumatic hammer structure adopting magnetic alignment technology includes a pair of magnetic pneumatic hammer mechanisms distributed in a mirror-symmetrical manner, the magnetic pneumatic hammer mechanism includes a driving cylinder, the front end of the driving cylinder is provided with a pneumatic hammer punch which is fixed to the driving cylinder in a clamping and limiting manner, the front part of the driving cylinder is provided with a magnetic positioning bracket which is integrated with the driving cylinder and is fixed by welding and sleeve connection, and the magnetic positioning bracket is provided with a plurality of magnetic positioning components which are distributed in a ring shape and are connected and fixed to the magnetic positioning bracket.

[0006] Preferably, the magnetic positioning assembly includes a sub-suction frame, a universal ball cage II plugged into the sub-suction frame is provided at the lower end of the sub-suction frame, an insertion rod ring plugged and fixed into the magnetic positioning bracket is provided between the universal ball cage II and the magnetic positioning bracket, the insertion rod ring is movably nested with the universal ball cage II, and a magnetic suction cup plugged into the universal ball cage II is provided on the sub-suction frame.

[0007] Preferably, the outer periphery of the sub-absorption frame is provided with a plurality of plug-in ring brackets which are distributed in an annular shape and are plug-inly connected and fixed with the sub-absorption frame, the upper end of the plug-in ring bracket is provided with a magnetic suction cup, and a universal ball cage I which is movably nested and connected with the plug-in ring bracket is provided between the magnetic suction cup and the plug-in ring bracket.

[0008] Preferably, the magnetic suction cups are arranged alternately with north and south poles, which can improve the positioning accuracy.

[0009] Preferably, the insert ring bracket is provided with a spring piece which is sleeved with the universal ball cage I in a limiting manner.

[0010] Preferably, the magnetic air hammer mechanism is provided with a cover, one of the cover is provided with an operating handle frame, a main joint diverter frame is provided at the front end of the operating handle frame, an air intake pipe is provided on the main joint diverter frame, an air supply pipe II connected to the air intake pipe is provided between the main joint diverter frame and the driving cylinder, an auxiliary joint diverter frame is provided between the air supply pipe II and the driving cylinder, and an air hammer driving air pipe connected to the air intake pipe is provided between the operating handle frame and the driving cylinder, and between the auxiliary joint diverter frame and the driving cylinder.

[0011] Preferably, an air supply pipe I connected to the air inlet pipe is provided between the operating handle frame and the main joint splitter frame, and the air supply pipe I is connected to the air supply pipe II, and the two driving cylinders are controlled to run synchronously through the operating handle frame.

[0012] A control method for an air hammer structure using magnetic alignment technology includes the following steps:

[0013] Step 1: Assemble the magnetic positioning assembly first. According to the flatness of the sheet metal surface, when the surface is relatively flat, install the universal ball cage II at the lower end of the sub-absorption frame, and then install the magnetic suction cup that is plugged and fixed with the universal ball cage II on the sub-absorption frame, or when the surface is an irregular curved structure, add a plug-in ring bracket to the periphery of the sub-absorption frame, and fix the magnetic suction cup on the plug-in ring bracket to the plug-in ring bracket through the universal ball cage I.

[0014] Step 2: Fix the magnetic positioning assembly on the magnetic positioning bracket by nesting the rod ring with the universal ball cage II. At the same time, the spring piece limits the swing angle of the universal ball cage I, so that it can bend freely along the curved surface while ensuring that the magnetic suction cup maintains its relative position.

[0015] Step 3: After the two sheet metal parts are welded and polished, a magnetic positioning assembly is used to position the magnetic air hammer mechanism at both end surfaces of the sheet metal weld, and the air hammer punch is driven by the cylinder to stretch and drive the hammer to achieve the knocking process on the weld.

[0016] Step 4: When the driving cylinder contracts, the two magnetic air hammer mechanisms can be synchronously moved by operating the handle frame to the place where impact and leveling are required for operation.

[0017] Preferably, the driving cylinder is supplied with air pressure by an air inlet pipe, and the synchronous air intake or air cut-off process of the air hammer driving air pipe is realized through the air supply pipe I and air supply pipe II on the operating handle frame.

[0018] The present invention can achieve the following effects:

[0019] The present invention provides a pneumatic hammer structure and a control method thereof using magnetic alignment technology, which, compared with the prior art, has the advantages of compact structure, good operation stability, good effect and not easy to deform, and solves the problem of flattening the weld after welding and grinding of curved process plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a side structural sectional view of the present invention.

[0022] Figure 3 It is a structural schematic diagram of the magnetic suction air hammer assembly of the present invention.

[0023] Figure 4 It is a structural schematic diagram of the magnetic attraction positioning component of the present invention.

[0024] Figure 5 It is a side structural schematic diagram of the magnetic attraction positioning assembly of the present invention.

[0025] In the figure: operating handle frame 1, magnetic air hammer mechanism 2, air hammer driving air pipe 3, air supply pipe I 4, main joint diverter frame 5, air inlet pipe 6, air supply pipe II 7, auxiliary joint diverter frame 8, cover shell 9, magnetic positioning assembly 10, spring piece 11, air hammer punch 12, magnetic positioning bracket 13, driving cylinder 14, magnetic suction cup 15, diverter frame 16, insert ring bracket 17, insert rod ring 18, universal ball cage I 19, universal ball cage II 20. DETAILED DESCRIPTION

[0026] The technical solution of the invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0027] Example: Figure 1-5 As shown, a pneumatic hammer structure using magnetic suction alignment technology includes a pair of magnetic suction hammer mechanisms 2 distributed in a mirror-symmetrical manner, and a cover 9 is provided on each of the magnetic suction hammer mechanisms 2, one of which is provided with an operating handle frame 1, and a main joint flow divider frame 5 is provided at the front end of the operating handle frame 1, and an air intake pipe 6 is provided on the main joint flow divider frame 5, and an air supply pipe II 7 connected to the air intake pipe 6 is provided between the main joint flow divider frame 5 and the driving cylinder 14, and an air supply pipe I4 connected to the air intake pipe 6 is provided between the operating handle frame 1 and the main joint flow divider frame 5, and the air supply pipe I4 is connected to the air supply pipe II7, and the two driving cylinders 14 are controlled to operate synchronously through the operating handle frame 1. An auxiliary joint flow divider frame 8 is provided between the air supply pipe II7 and the driving cylinder 14, and a pneumatic hammer driving air pipe 3 connected to the air intake pipe 6 is provided between the operating handle frame 1 and the driving cylinder 14, and between the auxiliary joint flow divider frame 8 and the driving cylinder 14.

[0028] The magnetic air hammer mechanism 2 includes a driving cylinder 14, the front end of which is provided with an air hammer punch 12 which is fixedly connected to the driving cylinder 14 by a limited insertion, and the front part of the driving cylinder 14 is provided with a magnetic positioning bracket 13 which is fixedly connected to the driving cylinder 14 by a welded sleeve, and the magnetic positioning bracket 13 is provided with three magnetic positioning components 10 which are distributed in an annular shape and connected and fixed to the magnetic positioning bracket 13. The magnetic positioning component 10 includes a sub-absorption frame 16, the lower end of which is provided with a universal ball cage II 20 which is plugged into the sub-absorption frame 16, and a plugging rod ring 18 which is plugged into and fixed to the magnetic positioning bracket 13 is provided between the universal ball cage II 20 and the magnetic positioning bracket 13, and the plugging rod ring 18 is movably nested with the universal ball cage II 20, and a magnetic suction cup 15 which is plugged into the universal ball cage II 20 is provided on the sub-absorption frame 16. The outer periphery of the sub-absorption frame 16 is provided with three insert ring brackets 17 which are distributed in an annular manner and are plug-in-connected and fixed with the sub-absorption frame 16. The upper end of the insert ring bracket 17 is provided with a magnetic suction cup 15 which is arranged alternately at the north and south poles. A universal ball cage Ⅰ 19 which is movably nested and connected with the insert ring bracket 17 is provided between the magnetic suction cup 15 and the insert ring bracket 17. The insert ring bracket 17 is provided with a spring piece 11 which is limitedly sleeved with the universal ball cage Ⅰ 19.

[0029] A control method for an air hammer structure using magnetic alignment technology includes the following steps:

[0030] Step 1: First assemble the magnetic positioning assembly 10. According to the flatness of the sheet metal, when the plane is relatively flat, install the universal ball cage II 20 at the lower end of the sub-absorption frame 16, and then install the magnetic suction cup 15 plugged and fixed with the universal ball cage II 20 on the sub-absorption frame 16, or when the plane is an irregular curved surface structure, add a plug-in ring bracket 17 to the periphery of the sub-absorption frame 16, and the suction cup 15 on the plug-in ring bracket 17 is fixed to the plug-in ring bracket 17 through the universal ball cage I 19. The more the number of magnetic suction cups 15, the more dispersed the points are, and the higher the positioning accuracy on the curved surface is achieved.

[0031] Step 2: The magnetic positioning assembly 10 is fixed on the magnetic positioning bracket 13 by nesting the rod ring 18 with the universal ball cage II 20. At the same time, the spring sheet 11 limits the swing angle of the universal ball cage I 19, so as to achieve free bending along the curved surface while ensuring that the magnetic suction cup (15) maintains a relative position.

[0032] Step 3: After the two sheet metal parts are welded and polished, the magnetic positioning assembly 10 is used to make the magnetic air hammer mechanism 2 located at the two end surfaces of the sheet metal weld respectively, and the air hammer punch 12 is stretched and driven by the driving cylinder 14 to realize the knocking process of the weld.

[0033] The driving cylinder 14 is supplied with air pressure by the air inlet pipe 6, and the synchronous air intake or air cut-off process of the air hammer driving air pipe 3 is realized through the air supply pipe Ⅰ4 and the air supply pipe Ⅱ7 on the operating handle frame 1.

[0034] Step 4: When the driving cylinder 14 contracts, the two magnetic air hammer mechanisms 2 can be synchronously moved by operating the handle frame 1 to operate at the place where impact and leveling are required.

[0035] In summary, the pneumatic hammer structure and control method using magnetic alignment technology have the advantages of compact structure, good operation stability, good effect and not easy to deform. It solves the problem of flattening the weld after welding and grinding of curved process plates.

[0036] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A pneumatic hammer structure using magnetic alignment technology, characterized in that: The invention comprises a pair of magnetic air hammer mechanisms (2) which are distributed in a mirror-symmetrical manner, wherein the magnetic air hammer mechanism (2) comprises a driving cylinder (14), wherein the front end of the driving cylinder (14) is provided with an air hammer punch (12) which is fixedly connected to the driving cylinder (14) in a limited position by being inserted into the driving cylinder (14), and the front part of the driving cylinder (14) is provided with a magnetic positioning bracket (13) which is integrally welded and fixedly connected to the driving cylinder (14), and the magnetic positioning bracket (13) is provided with a plurality of magnetic positioning components (10) which are distributed in an annular manner and are connected and fixedly connected to the magnetic positioning bracket (13); and the magnetic positioning components (10) are respectively located at the two end surfaces of the weld of the sheet metal part; The magnetic positioning assembly (10) comprises a sub-absorption frame (16), the lower end of the sub-absorption frame (16) is provided with a universal ball cage II (20) plugged into the sub-absorption frame (16), a plugging rod ring (18) plugged and fixed into the magnetic positioning frame (13) is provided between the universal ball cage II (20) and the magnetic positioning frame (13), the plugging rod ring (18) and the universal ball cage II (20) are movably nested, the sub-absorption frame (16) is provided with a magnetic suction cup (15) plugged into the universal ball cage II (20), and the The magnetic suction cups (15) are arranged alternately at north and south poles; a plurality of insert ring brackets (17) are arranged on the periphery of the sub-absorption frame (16) and are arranged in an annular shape and are plug-in-and-insertly connected and fixed to the sub-absorption frame (16); a magnetic suction cup (15) is arranged on the upper end of the insert ring bracket (17); a universal ball cage I (19) is arranged between the magnetic suction cup (15) and the insert ring bracket (17) and is movably nested with the insert ring bracket (17); and a spring piece (11) is arranged on the insert ring bracket (17) and is limitedly sleeved with the universal ball cage I (19).

2. The pneumatic hammer structure using magnetic alignment technology according to claim 1 is characterized in that: The magnetic air hammer mechanism (2) is provided with a cover (9), one of the cover shells (9) is provided with an operating handle frame (1), the front end of the operating handle frame (1) is provided with a main joint flow divider frame (5), the main joint flow divider frame (5) is provided with an air intake pipe (6), an air supply pipe II (7) connected to the air intake pipe (6) is provided between the main joint flow divider frame (5) and the driving cylinder (14), an auxiliary joint flow divider frame (8) is provided between the air supply pipe II (7) and the driving cylinder (14), and an air hammer driving air pipe (3) connected to the air intake pipe (6) is provided between the operating handle frame (1) and the driving cylinder (14), and between the auxiliary joint flow divider frame (8) and the driving cylinder (14).

3. The pneumatic hammer structure using magnetic alignment technology according to claim 2 is characterized in that: An air supply pipe I (4) connected to an air inlet pipe (6) is provided between the operating handle frame (1) and the main joint flow divider frame (5); the air supply pipe I (4) is connected to the air supply pipe II (7); and the two driving cylinders (14) are controlled to operate synchronously through the operating handle frame (1).

4. A method for controlling a pneumatic hammer structure using magnetic alignment technology according to claim 3, characterized in that The steps are as follows: The first step: first assemble the magnetic positioning assembly (10), and according to the flatness of the plane of the sheet metal part, when the plane is relatively flat, install the universal ball cage II (20) at the lower end of the sub-absorption frame (16), and then install the magnetic suction cup (15) plugged and fixed to the universal ball cage II (20) on the sub-absorption frame (16); or when the plane is an irregular curved surface structure, add an insert ring bracket (17) on the outer periphery of the sub-absorption frame (16), and the magnetic suction cup (15) on the insert ring bracket (17) is fixed to the insert ring bracket (17) through the universal ball cage I (19); Step 2: The magnetic positioning assembly (10) is fixed on the magnetic positioning bracket (13) by nesting the rod ring (18) and the universal ball cage II (20). At the same time, the spring sheet (11) limits the swing angle of the universal ball cage I (19), thereby achieving free bending along the curved surface while ensuring that the magnetic suction cup (15) maintains a relative position; Step 3: After the two sheet metal parts are welded and polished, a magnetic positioning assembly (10) is used to position the magnetic air hammer mechanism (2) at both end surfaces of the weld of the sheet metal parts, and the air hammer punch (12) is stretched and driven by the air cylinder (14) to achieve the process of striking the weld; Step 4: When the driving cylinder (14) is retracted, the two magnetic air hammer mechanisms (2) can be synchronously moved by operating the handle frame (1) to the place where impact and leveling are required for operation.

5. The control method of the air hammer structure using the magnetic alignment technology according to claim 4 is characterized in that: The driving cylinder (14) is supplied with air pressure by the air inlet pipe (6), and realizes the synchronous air intake or air cut-off process at the air hammer driving air pipe (3) through the air supply pipe I (4) and the air supply pipe II (7) on the operating handle frame (1).

Citation Information

Patent Citations

  • Modular attraction device based on permanent magnet attraction principle

    CN108818349A

  • Magnetic attraction alignment air hammer structure

    CN218310103U