Handheld electric welding machine

By designing pressure-carrying, stress-relieving supports and wrist guards on handheld welding machines, the problem of welding torch vibration caused by wrist pain has been solved, improving welding accuracy and stability.

CN224012997UActive Publication Date: 2026-03-20ZHEJIANG JUBA WELDING EQUIP MFG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When using a handheld ultrasonic welding machine for extended periods, users' wrists are prone to soreness, which can cause the welding torch to shake and reduce welding accuracy.

Method used

A handheld welding machine was designed, comprising a pressure-carrying mechanism, a pressure-relieving support mechanism, and a wrist guard mechanism. The pressure-carrying mechanism provides limiting and support, the pressure-relieving support mechanism provides wrist rotation support, and the wrist guard mechanism provides protection, thereby relieving wrist pain and improving welding torch accuracy.

Benefits of technology

It effectively relieves wrist pain, improves the accuracy and stability of welding torch operation, and prevents the welding torch from shaking due to wrist fatigue.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224012997U_ABST
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Abstract

The utility model relates to the technical field of welding machine accessories, in particular to a handheld electric welding machine which comprises an ultrasonic welding gun, a pressure loading mechanism arranged on the ultrasonic welding gun, a force release supporting mechanism arranged on the pressure loading mechanism and a wrist protecting mechanism installed on the force release supporting mechanism. The pressure loading mechanism comprises two bases and a limiting clamping piece; the force release supporting mechanism comprises two bearing rods movably installed outside the two bases. The pressure loading mechanism is mounted outside the ultrasonic welding gun, and the force release supporting mechanism capable of laterally bending and circumferentially rotating is mounted outside the pressure loading mechanism, so that when the wrist of a user is raised for a long time and has a ache phenomenon, the wrist of the user can be fixed by utilizing the wrist protecting mechanism; and in cooperation with auxiliary supporting of the force release supporting mechanism on the public working table top, the aching pain wrist of the user can be relieved finally, and meanwhile the welding assisting accuracy of the ultrasonic welding gun can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding machine accessory technical field, concretely is a handheld electric welding machine. BACKGROUND

[0002] Handheld ultrasonic welding machine, also called ultrasonic spot welding machine, can be used for welding of thermoplastic materials, and the welding head can be replaced according to different welding processes, and is used for riveting, spot welding, embedding and cutting.

[0003] Because the welding torch of ultrasonic welding is handheld, the user's wrist will be sore after long-time lifting during long-time handheld operation, and once the soreness is aggravated, the handheld welding torch will abnormally vibrate during fluxing, and the accuracy of welding torch fluxing will be reduced in serious cases.

[0004] In view of this, a handheld electric welding machine is designed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving one of the technical problems in the prior art or related art.

[0006] Therefore, the utility model adopts the technical scheme that:

[0007] A handheld electric welding machine, comprising an ultrasonic welding torch, a load pressure mechanism arranged on the ultrasonic welding torch, a force relief support mechanism arranged on the load pressure mechanism and a wrist guard mechanism mounted on the force relief support mechanism; the load pressure mechanism comprises two bases and a limiting clamp; the force relief support mechanism comprises two load-bearing rods movably mounted on the outside of the two bases, a first force arm movably mounted at the bottom end of the load-bearing rod, a second force arm movably mounted at the bottom end of the first force arm, a base mounted on the second force arm, an outer shell movably mounted at the bottom end of the base and a magnetic block fixedly mounted at the bottom of the outer shell.

[0008] In a preferred example, the wrist guard mechanism can further be configured as: the wrist guard mechanism comprises two load-bearing plates mounted on the two load-bearing rods, a buckle arranged at the other end of the load-bearing plate and a thickened bottom pad mounted on the outside of the buckle.

[0009] Rectangular grooves are formed on the two sides of the thickened bottom pad, and two cross bars are arranged in the rectangular grooves.

[0010] The number of cross bars is four, and the outside of two cross bars is provided with a wrist band.

[0011] In a preferred example, the force relief support mechanism can further be configured as: the force relief support mechanism further comprises a clamp mounted at the bottom of the load-bearing rod, a locking bolt mounted in the clamp and a reset assembly arranged between the clamp and the second force arm.

[0012] The utility model discloses in a preferable example can be further configured as: the reset subassembly includes the beam pole of movable mounting in the groove of clamp bottom, the shaft sleeve of movable mounting in the slot in the second force arm middle and sets up the reinforcing compression spring outside the beam pole,

[0013] The bottom end of the reinforcing compression spring is adapted to be under pressure on the shaft sleeve.

[0014] The utility model discloses in a preferable example can be further configured as: the load pressure mechanism still includes the column of fixed mounting on the base and sets up the spring outside the column,

[0015] The number of the column is two, and the two columns are adapted to penetrate to the outside of the limiting clamp.

[0016] The utility model discloses in a preferable example can be further configured as: the bottom of the both ends of the limiting clamp are provided with the tooth mouth,

[0017] The top of the load bearing rod is provided with the tooth piece of uniform distribution, and the tooth mouth of the bottom of the outer end of the limiting clamp is adapted to be connected in the tooth piece of the top of the load bearing rod.

[0018] The utility model discloses in a preferable example can be further configured as: the beam pole is composed of T-shaped rod body and the nut of installing at the bottom of T-shaped rod body, and the T-shaped rod body is adapted to penetrate to the inside of the shaft sleeve.

[0019] The utility model discloses in a preferable example can be further configured as: the thickened bottom pad is composed of rubber inner pad and cotton outer layer.

[0020] Through adopting above-mentioned technical scheme, the utility model has obtained the beneficial effect that:

[0021] 1. The utility model discloses a load pressure mechanism is installed outside the ultrasonic welding gun, and the pressure relief support mechanism of side bending and circumferential rotation is installed outside the load pressure mechanism, when the user's wrist appears sore phenomenon because of long -time lifting, can utilize the wrist guard mechanism and fix the user's wrist, cooperate pressure relief support mechanism and the auxiliary support on the public workbench, finally the sore wrist of user can be relieved, and the accuracy of ultrasonic welding gun welding can be improved. ACCURACY

[0022] Figure 1 It is the schematic diagram of the utility model for use;

[0023] Figure 2 It is the explosion schematic diagram of the utility model;

[0024] Figure 3 It is the explosion schematic diagram of the load pressure mechanism of the utility model;

[0025] Figure 4It is an explosion schematic view of the wrist guard mechanism of the utility model.

[0026] Figure 5 It is an explosion schematic view of the force releasing support mechanism of the utility model.

[0027] Figure 6 It is an explosion schematic view of the utility model Figure 5 It is an enlarged schematic view of A in the middle.

[0028] Reference signs:

[0029] 100, ultrasonic welding gun;

[0030] 200, load pressure mechanism; 210, base; 220, stand; 230, limiting clamping piece; 240, spring;

[0031] 300, force releasing support mechanism; 310, load bearing rod; 320, first force arm; 330, second force arm; 340, base; 350, shell; 360, magnetic block; 370, clamp; 380, locking bolt; 390, reset assembly; 391, beam rod; 392, reinforcing compression spring; 393, shaft sleeve;

[0032] 400, wrist guard mechanism; 410, load bearing plate; 420, fastener; 430, thickened bottom pad; 440, cross rod; 450, protective band. DETAILED DESCRIPTION

[0033] In order that the object, technical scheme and advantages of the utility model are more clearly and obviously, the utility model is further described in detail below by combining with specific implementation manners and referring to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0034] It is understood that the above description is only exemplary, and is not intended to limit the scope of the utility model.

[0035] Some embodiments of the utility model are described below in combination with the drawings to provide a handheld electric welding machine. Embodiment one

[0036] In combination with Figures 1-6The utility model provides a handheld electric welding machine, including ultrasonic welding torch 100, set up on ultrasonic welding torch 100's pressure bearing mechanism 200, set up on pressure bearing mechanism 200's pressure relief support mechanism 300 and install on pressure relief support mechanism 300's wrist support mechanism 400, pressure bearing mechanism 200 is used to provide the limit after the free inclination of pressure relief support mechanism 300, and provides effective support for pressure relief support mechanism 300, pressure relief support mechanism 300 is used to adapt the rotation of user's wrist, provides the multi -angle control after the hand -held of ultrasonic welding torch 100, wrist support mechanism 400 is used to protect the wrist of user, and the wrist is relieved pressure simultaneously.

[0037] Pressure bearing mechanism 200 includes two base 210 and limit card piece 230, fixed mounting is set up on the column 220 of base 210 and sets up spring 240 outside the column 220;

[0038] The number of column 220 is two, and two columns 220 are adapted to penetrate to the outside of limit card piece 230;

[0039] Pressure relief support mechanism 300 includes two load-bearing rods 310 movably installed outside the two base 210, first force arm 320 movably installed at the bottom end of load-bearing rod 310, second force arm 330 movably installed at the bottom end of first force arm 320, base 340 installed on second force arm 330, shell 350 movably installed at the bottom end of base 340, magnetic block 360 fixedly installed at the bottom of shell 350, clamp 370 installed at the bottom of load-bearing rod 310, locking bolt 380 installed in clamp 370 and reset assembly 390 arranged between clamp 370 and second force arm 330;

[0040] Wrist support mechanism 400 includes two load-bearing plates 410 installed on the two load-bearing rods 310, fastener 420 arranged at the other end of load-bearing plate 410 and thickened bottom pad 430 installed outside fastener 420;

[0041] Thickened bottom pad 430 is provided with a rectangular groove on both sides, and two horizontal rods 440 are arranged in the rectangular groove;

[0042] The number of horizontal rods 440 is four, and two horizontal rods 440 are provided with a protective band 450 outside;

[0043] Thickened bottom pad 430 is composed of a rubber inner pad and a cotton outer layer.

[0044] When the user's wrist is lifted for a long time and sore, the thickened bottom pad 430 and the protective band 450 can be tightened outside the sore wrist, and then the magnetic block 360 is placed on the metal table top of the workbench. When the magnetic block 360 is magnetically fixed, the second force arm 330 and the first force arm 320 supported by the reset assembly 390 can provide effective support for the load rod 310;

[0045] At this time, the sore wrist of the user can be effectively supported and relieved on this basis. When the handheld ultrasonic welding gun 100 needs to adapt to the workpiece to bend or rotate, the load rod 310 can bend along the first force arm 320, and the base 340 can also rotate along the top of the shell 350.

[0046] And the inclination angle of the ultrasonic welding gun 100 and the two load rods 310 is controlled by pulling the limiting clamp 230 upward. Example two

[0047] Combined Figure 3 And Figure 5 As shown in the drawings, on the basis of example 1, the bottom of the column head at both ends of the limiting clamp 230 is provided with a tooth opening;

[0048] The top end of the load rod 310 is provided with uniformly distributed tooth pieces, and the tooth opening at the bottom of the outer end column head of the limiting clamp 230 is adapted to be clamped in the tooth pieces at the top end of the load rod 310.

[0049] Preferably, the top of the base 210 is welded with a rectangular pad, and the bottom end of the column 220 is provided with a threaded section, and the threaded section at the bottom end of the column 220 penetrates into the hole in the limiting clamp 230, and then the spring 240 is installed in the screw hole at the top of the rectangular pad;

[0050] When the inclination angle of the ultrasonic welding gun 100 needs to be adjusted, the limiting clamp 230 can be lifted until the tooth opening on the column head at both ends of the limiting clamp 230 is separated from the tooth pieces at the top end of the load rod 310, and finally the inclination angle of the ultrasonic welding gun 100 to the workpiece can be freely controlled. Example three

[0051] Combined Figure 5 And Figure 6 As shown in the drawings, on the basis of example 1, the reset assembly 390 includes a beam 391 movably installed in the groove at the bottom of the clamp 370, a shaft sleeve 393 movably installed in the slot in the middle of the second force arm 330, and a reinforcing compression spring 392 arranged outside the beam 391;

[0052] The bottom end of the reinforcing compression spring 392 is adapted to bear on the shaft sleeve 393;

[0053] The beam rod 391 is composed of a T-shaped rod body and a nut installed at the bottom end of the T-shaped rod body, and the T-shaped rod body is adapted to penetrate into the inside of the shaft sleeve 393;

[0054] The height of the adjusting clamp 370 on the load-bearing rod 310 is used to control the pressure of the reinforcing compression spring 392 on the shaft sleeve 393, the elastic supporting force of the reinforcing compression spring 392 on the first force arm 320 and the second force arm 330 after the side bending is changed, the comfort of the user's wrist can be improved, and the free angle rotation of the handheld ultrasonic welding gun 100 is provided with stability protection.

[0055] The working principle and use process of the utility model: when the user can hold the ultrasonic welding gun 100 in the normal way and work in the normal operation;

[0056] When the user works for a long time and the wrist is tired, the thickened bottom pad 430 can be arranged below the wrist of the user holding the handle of the ultrasonic welding gun 100, then the exposed end of the protective band 450 is wrapped around the wrist, until the protective band 450 cooperates with the thickened bottom pad 430 to fix the user's wrist, and finally the exposed end of the protective band 450 is locked along the two horizontal rods 440;

[0057] Then the magnetic block 360 is placed on the metal table top of the workbench, when the magnetic block 360 is magnetically fixed, the other hand of the user needs to adjust the two locking bolts 380, until the two clamps 370 cooperate with the two sets of reset components 390 to adjust the tension of the first force arm 320 and the second force arm 330;

[0058] When the user controls the inclination of the ultrasonic welding gun 100 to the workpiece, the fatigue of the wrist supported by the relief supporting mechanism 300 can be effectively relieved, and the welding of the ultrasonic welding gun 100 is effectively calibrated to avoid abnormal shaking of the ultrasonic welding gun 100 due to the fatigue of the user's wrist.

[0059] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A handheld welding machine, comprising an ultrasonic welding torch (100), characterized in that, It also includes a pressure-carrying mechanism (200) disposed on the ultrasonic welding gun (100), a pressure-relieving support mechanism (300) disposed on the pressure-carrying mechanism (200), and a wrist guard mechanism (400) installed on the pressure-relieving support mechanism (300). The pressure-carrying mechanism (200) includes two bases (210) and a limiting clip (230); The stress relief support mechanism (300) includes two load-bearing rods (310) movably mounted on the outside of two bases (210), a first lever arm (320) movably mounted on the bottom end of the load-bearing rods (310), a second lever arm (330) movably mounted on the bottom end of the first lever arm (320), a base (340) mounted on the second lever arm (330), a housing (350) movably mounted on the bottom end of the base (340), and a magnetic block (360) fixedly mounted on the bottom of the housing (350).

2. The handheld welding machine according to claim 1, characterized in that, The wrist guard mechanism (400) includes two load-bearing plates (410) mounted on two load-bearing rods (310), a fastener (420) located at the other end of the load-bearing plate (410), and a thickened base pad (430) mounted on the outside of the fastener (420). The thickened base pad (430) has rectangular grooves on both sides, and two crossbars (440) are provided in the rectangular grooves. The number of crossbars (440) is four, of which two crossbars (440) are provided with protective straps (450) on the outside.

3. A handheld welding machine according to claim 1, characterized in that, The stress relief support mechanism (300) also includes a clamp (370) installed at the bottom of the load-bearing rod (310), a locking bolt (380) installed in the clamp (370), and a reset assembly (390) disposed between the clamp (370) and the second lever arm (330).

4. A handheld welding machine according to claim 3, characterized in that, The reset assembly (390) includes a beam rod (391) movably mounted in the bottom groove of the clamp (370), a bushing (393) movably mounted in the middle slot of the second lever arm (330), and a reinforcing compression spring (392) disposed outside the beam rod (391). The bottom end of the reinforcing spring (392) is adapted to bear pressure on the bushing (393).

5. A handheld welding machine according to claim 1, characterized in that, The pressure-carrying mechanism (200) also includes a column (220) fixedly installed on the base (210) and a spring (240) disposed outside the column (220). The number of the uprights (220) is two, and the two uprights (220) are adapted to extend through to the outside of the limiting clip (230).

6. A handheld welding machine according to claim 1, characterized in that, The bottom of the two ends of the limiting clip (230) are provided with teeth; The top of the load-bearing rod (310) is provided with evenly distributed toothed pieces, and the toothed opening at the bottom of the outer end of the limiting clip (230) is adapted to engage with the toothed pieces at the top of the load-bearing rod (310).

7. A handheld welding machine according to claim 4, characterized in that, The beam (391) consists of a T-shaped rod and a nut installed at the bottom of the T-shaped rod, and the T-shaped rod is adapted to penetrate into the interior of the bushing (393).

8. A handheld welding machine according to claim 2, characterized in that, The thickened base pad (430) consists of a rubber inner pad and a cotton outer layer.