CN211539895U

CN211539895U - Portable miniature built-in battery type spot welder

Info

Publication number: CN211539895U
Application number: CN201922142260.3U
Authority: CN
Inventors: 肖长昭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-09-22
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a portable miniature built-in battery formula spot welder. The portable miniature spot welding machine with the built-in battery and the controller; the input end of the power supply is connected with the output end of the controller; and the input end of the welding end is connected with the output end of the welding end. The utility model provides a portable miniature built-in cell formula spot welder, through adopting the discharged battery of heavy current, this battery can be various types of battery nickel-hydrogen batteries, the lithium cell etc. can satisfy the discharged battery of heavy current, cooperation time delay control circuit control weld time produces different welding effects, because battery itself is direct current, do not need vary voltage rectification steady voltage part and can provide stable welding current who lasts, it is effectual to weld, it needs big transformer to have saved ordinary spot welder, the battery can be common battery, as long as discharge current reach the requirement can, make spot welder's practicality and adaptability obtain increasing.

Description

Portable miniature built-in battery type spot welder

Technical Field

The utility model discloses the spot welder field especially relates to a portable miniature built-in battery formula spot welder.

Background

The spot welding machine is used to melt the welding material and the welded material on the welding rod by means of the high temperature electric arc produced by instantaneous short circuit between the positive and negative poles so as to combine the welded material and the welded material. The structure is very simple, and the transformer is a high-power transformer; spot welding machines are generally classified into two types, one is an alternating current power supply and the other is a direct current power supply, according to the type of output power supply. They use the principle of inductance, the inductance will generate huge voltage change when switching on and off, and the high-voltage arc generated by the instant short circuit of the positive and negative poles is used to melt the solder on the welding electrode, so that they reach the purpose of atomic bonding.

The spot welding machine is divided into an alternating current transformer type spot welding machine and a direct current capacitor energy storage type spot welding machine, the existing spot welding machine utilizes a transformer to convert 220v or 380v alternating current into a 4-15v low-voltage large-current power supply, high-current discharging of the power supply and contact end resistance are utilized to enable two ends of an output end to generate high-temperature molten welding metal to control welding time to achieve the purpose of welding, the defect is that a transformer bank with heavier weight and 220v and 380v power supplies are needed, and the spot welding machine is very inconvenient for small-size welding or mobile outdoor welding and high in cost. The wave crest and the wave trough can be solved by the direct current welding machine, but a stable high-current direct current power supply needs to control a voltage stabilizing circuit and use a super capacitor, so that the cost is high, and the problems of large size and heavy weight cannot be solved.

Therefore, there is a need to provide a portable miniature spot welder with a built-in battery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable miniature built-in battery formula spot welder has solved ordinary spot welder big size, and weight is heavy, and is with high costs and can not break away from the portable removal problem of work of power such as 220v, 380 v.

In order to solve the technical problem, the utility model provides a portable miniature built-in battery formula spot welder, include:

a controller;

the input end of the power supply is connected with the output end of the controller;

and the input end of the welding end is connected with the output end of the welding end.

The portable miniature built-in battery spot welder further comprises: a base and a protective cover;

the spot welding machine is arranged at the top of the base, and a groove is formed in the bottom of the base;

the clamping structure is arranged inside the groove and comprises a gear and two limiting rods, and the top and the bottom of the outer surface of the gear are respectively meshed with a first clamping rod and a second clamping rod;

the movable groove is arranged on the outer surface of the protective cover, and a movable plate is movably connected between the top and the bottom of the inner surface of the movable groove.

Preferably, the surface of gag lever post has cup jointed the sliding block, and two one side of sliding block respectively with one side fixed connection of first kelly and second kelly.

Preferably, the surface of the limiting rod is sleeved with a compression spring, and two ends of the limiting rod are respectively fixedly connected with two sides of the inner surface of the groove.

Preferably, a telescopic groove is formed in one side of the movable plate, a fixed shaft is fixedly connected to one side of the inner surface of the movable groove, one end of the fixed shaft penetrates through one side of the top of the movable plate and extends to the inside of the telescopic groove, and an elastic part is sleeved on the surface of the fixed shaft.

Preferably, an elastic ball is arranged between one side of the inner surface of the movable groove and the opposite side of the movable plate, a clamping groove is formed in the bottom of one side of the movable plate, and a protective pad is arranged on one side of the protective cover.

Preferably, one side of the gear is fixedly connected with a connecting rod, one end of the connecting rod penetrates through the inside of the base and extends to one side of the outside of the base, and the connecting rod extends to one side of the outside of the base and is fixedly connected with an adjusting knob.

Compared with the prior art, the utility model provides a portable miniature built-in battery formula spot welder has following beneficial effect:

the utility model provides a portable miniature built-in battery formula spot welder, through adopting the battery that the heavy current discharges, this battery can be various types of battery nickel-hydrogen batteries, and lithium cell etc. can satisfy the battery that the heavy current discharges, cooperate time delay control circuit control welding time to produce different welding effects, because battery itself is direct current, do not need vary voltage rectification steady voltage part and can provide stable continuous welding current, it is effectual to weld, it needs big transformer to have saved ordinary spot welder, rectification steady voltage circuit becomes direct current part, only need a ordinary charger to charge;

the batteries can be various batteries such as nickel-hydrogen batteries, lithium batteries, solid-state lithium batteries and the like, as long as the discharge current meets the requirement, the practicability and the adaptability of the spot welding machine are improved by using different types of batteries, and great convenience is brought to miniaturization, mobile work and no power supply in working occasions; the cost can be met only by matching a plurality of high-rate heavy-current discharged batteries with a delay control circuit and controlling the welding time, so that the cost is greatly reduced; and because the battery per se has the welding effect of the direct-current power supply, the cost of a transformer is saved, the cost of a super capacitor of the rectification voltage stabilizing circuit is reduced, and the requirement of a control circuit is low.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of a portable miniature spot welder with a built-in battery according to the present invention;

FIG. 2 is a schematic diagram of a first prior art AC spot welder technique;

FIG. 3 is a schematic diagram of a second prior art AC spot welder technique;

fig. 4 is a schematic structural diagram of a second embodiment of the portable miniature spot welder with a built-in battery provided by the present invention;

FIG. 5 is a schematic view of the interior of the base shown in FIG. 4;

fig. 6 is a schematic view of the structure inside the protective cover shown in fig. 4.

Reference numbers in the figures: 1. the welding device comprises a controller, 2, a power supply, 3, a welding end, 4, a base, 5, a protective cover, 6, a spot welding machine, 7, a groove, 8, a clamping structure, 81, a gear, 82, a limiting rod, 83, a first clamping rod, 84, a second clamping rod, 85, a sliding block, 86, a compression spring, 87, a connecting rod, 88, an adjusting knob, 9, a movable groove, 10, a movable plate, 11, a telescopic groove, 12, a fixing shaft, 13, an elastic piece, 14, an elastic ball, 15, a clamping groove, 16 and a protective pad.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, wherein fig. 1 is a schematic structural diagram of a portable micro spot welding machine with a built-in battery according to a first embodiment of the present invention. A portable miniature built-in battery spot welder comprising:

a controller 1;

the input end of the power supply 2 is connected with the output end of the controller 1;

and the input end of the welding end 3 is connected to the output end of the welding end 3.

The power can be various types of batteries, and the required current can be achieved, for example, common nickel-metal hydride batteries, lithium batteries and the like can meet the requirement of heavy-current discharge, different welding effects can be generated by matching with a delay control circuit to control the welding time, and the requirement on the control circuit is low because the battery is good in welding effect of a direct-current power supply, the cost of a transformer is saved, and the cost of a super capacitor of a rectification and voltage stabilizing circuit is reduced. Because the battery which discharges with large current and high multiplying power is adopted, the complicated rectification and direct-current-to-direct-current voltage stabilizing circuit of a large transformer is omitted for the direct-current power supply, only one common battery charger is needed, and the cost is greatly reduced;

the welding end is located on the spot welder and the material is welded by the welding end 3.

The utility model provides a portable miniature built-in battery formula spot welder's theory of operation as follows:

the battery can be a nickel-hydrogen battery with various types of batteries, a lithium battery and the like which can meet the requirement of heavy current discharge, different welding effects are generated by matching with a time delay control circuit to control the welding time, and the battery is direct current, does not need a voltage transformation, rectification and voltage stabilization part and can provide stable and continuous welding current, has good welding effect, saves a large transformer required by a common spot welder, and only needs a common charger for charging because the rectification and voltage stabilization part is direct current;

the battery can be various types of batteries and can reach the required current; taking a common lithium battery in the market as an example, two or 3 series-connected matched delay welding control circuits are discharged by the 5ah lithium battery 35c, so that the welding current of a 175A common spot welder can meet the requirement of welding a nickel sheet with the thickness of 18650 lithium batteries of 0.1mm, a larger welding requirement can be met by connecting batteries in parallel and in series, and the cost, the weight and the volume of the common spot welder which can achieve the welding effect of the current are not comparable with those of the common spot welder.

Second embodiment

Referring to fig. 4-6 of the second embodiment, the second embodiment of the present invention further provides another portable miniature spot welder with a built-in battery.

In an alternative aspect of this embodiment, the portable micro spot welder with built-in battery may include the controller, a power source and a welding terminal, and further includes:

a base 4 and a protective cover 5;

the spot welding machine 6 is arranged at the top of the base 4, and a groove 7 is formed in the bottom of the base 4;

the clamping structure 8 is arranged inside the groove 7, the clamping structure 8 comprises a gear 81 and two limiting rods 82, and the top and the bottom of the outer surface of the gear 81 are respectively engaged with a first clamping rod 83 and a second clamping rod 84;

the protective cover comprises a movable groove 9, the movable groove 9 is arranged on the outer surface of the protective cover 5, and a movable plate 10 is movably connected between the top and the bottom of the inner surface of the movable groove 9.

The protective cover 5 is mainly used for covering the spot welding machine 6 with the protective cover 5 when the spot welding machine 6 is carried or not used, so that the protective cover 6 can be protected, and the protective cover can be prevented from being damaged by external factors and cannot be normally used;

the groove 7 is used for placing a clamping structure 8;

one side of the gear 81 is rotatably connected with the middle of the inner surface of the groove 7, the gear 81 is matched with the first clamping rod 83 and the second clamping rod 84, the two clamping rods can be driven to move simultaneously through the rotation of the gear 81, and the first clamping rod 83 and the second clamping rod 84 can clamp the protective cover 5, so that the protective cover 5 can be fixed on the base 4, and the spot welding machine 6 is protected from being damaged;

the movable grooves 9 are arranged at the left side and the right side of the outer surface of the protective cover 5 respectively, the movable plate 10 is matched with the movable grooves 9 to provide a movable space for the movable plate 10, so that the movable plate 10 can move freely, the protective effect is achieved through the movable plate 10, and the whole protective cover 5 has a certain buffering protective effect.

The surface of the limiting rod 82 is sleeved with a sliding block 85, and one side of each of the two sliding blocks 85 is fixedly connected with one side of the first clamping rod 83 and one side of the second clamping rod 84.

The sliding block 85 is connected with the limiting rod 82 in a sliding mode, the first clamping rod 83 and the second clamping rod 84 can be connected with the limiting rod 82 in a sliding mode through the sliding block 85, and the limiting rod 82 is used for limiting the two clamping rods 84 to enable the two clamping rods 84 to move more stably.

The surface of the limiting rod 82 is sleeved with a compression spring 86, and two ends of the limiting rod 82 are respectively fixedly connected with two sides of the inner surface of the groove 7.

Compression spring 86 is located between one side of recess 7 internal surface and the one side that the sliding block 85 is relative, and when the installation, two kellies of bottom extrusion of safety cover 5 for sliding block 85 removes, extrudes compression spring 86 compression simultaneously, and later the rethread drives two kellies and safety cover 5 bottom joint through compression spring's 86 elasticity.

One side of the movable plate 10 is provided with a telescopic groove 11, one side of the inner surface of the movable groove 9 is fixedly connected with a fixed shaft 12, one end of the fixed shaft 12 penetrates through one side of the top of the movable plate 10 and extends to the inside of the telescopic groove 11, and the surface of the fixed shaft 12 is sleeved with an elastic part 13.

The telescopic slots 11 are provided with seven slots which are uniformly distributed on one side of the movable plate 10, the number of the fixed shafts 12 is seven, the positions of the seven slots correspond to the telescopic slots 11 one by one, and the seven slots are matched with the telescopic slots 11, so that the movable plate 10 is more stable in moving.

An elastic ball 14 is arranged between one side of the inner surface of the movable groove 9 and the side opposite to the movable plate 10, a clamping groove 15 is formed in the bottom of one side of the movable plate 10, and a protection pad 16 is arranged on one side of the protection cover 5.

The elastic balls 14 are sequentially arranged between the two fixing shafts 12 and used for increasing the elasticity of the movable plate 10 and improving the buffering protection performance of the movable plate 10, and the clamping grooves 15 are matched with the first clamping rods 83 and the second clamping rods 84, so that the protective covers 5 are fixedly clamped and can be stably fixed on the base 4.

One side fixedly connected with connecting rod 87 of gear 81, just the one end of connecting rod 87 runs through the inside of base 4 and extends to the outside one side of base 4, connecting rod 87 extends to the outside one side fixedly connected with adjust knob 88 of base 4.

Connecting rod 87 extends to the middle of the front surface of base 4, and can drive connecting rod 87 to rotate by rotating adjusting knob 88, so that gear 81 can drive first clamping rod 83 and second clamping rod 84 to move simultaneously, and the clamping effect on the protective cover can be removed.

In another alternative of this embodiment, the portable micro spot welding machine with a built-in battery may not include the controller 1, the power source 2, and the welding terminal 3, and only needs to satisfy the requirement that the portable micro spot welding machine with a built-in battery is protected from other components.

In yet another alternative of this embodiment, the portable miniature spot welder with built-in battery may also include a controller 1, a power source 2, and a welding terminal 3, as well as electronic or functional modules known in the art, to replace the above and achieve the same functions of the above modules. The spot welding machine 6 is only required to meet the requirements of electronic equipment or functional modules in the prior art, does not interfere with other elements formed by the spot welding machine with the portable miniature built-in battery, and has a protection effect.

when spot welder 6 needs to be carried, protective cover 5 is installed on base 4 to protect the whole spot welder 6, so that certain damage to the spot welder 6 caused by collision during carrying can be avoided, and when the spot welder is not used, the spot welder 6 is prevented from being damaged by external factors due to the fact that the protective cover 5 plays a role in dust prevention and water prevention.

when the protection cover 5 needs to be detached, the connecting rod 87 can simultaneously drive the gear 81 to rotate by rotating the adjusting knob 88, the first clamping rod 83 and the second clamping rod 84 can be simultaneously driven to move by rotating the gear 81, and are gradually separated from the clamping groove 15 until the protection cover 5 is completely separated, and at the moment, the protection cover 5 can be pulled upwards to take down the protection cover 5.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A portable miniature built-in battery spot welder, comprising:

a controller;

the input end of the welding end is connected with the output end of the welding end;

the portable miniature spot welder with a built-in battery further comprises:

a base and a protective cover;

2. The portable micro spot welder with built-in battery according to claim 1, wherein a sliding block is sleeved on the surface of the limiting rod, and one side of the two sliding blocks is fixedly connected with one side of the first clamping rod and one side of the second clamping rod respectively.

3. The portable micro spot welder with built-in battery according to claim 1, wherein a compression spring is sleeved on the surface of the limiting rod, and two ends of the limiting rod are fixedly connected with two sides of the inner surface of the groove respectively.

4. The portable micro spot welder with a built-in battery according to claim 1, wherein a flexible slot is formed at one side of the movable plate, a fixed shaft is fixedly connected to one side of the inner surface of the movable slot, one end of the fixed shaft penetrates through the top side of the movable plate and extends into the flexible slot, and an elastic member is sleeved on the surface of the fixed shaft.

5. The portable micro spot welder with a built-in battery according to claim 1, wherein an elastic ball is disposed between a side of an inner surface of the movable groove and a side opposite to the movable plate, a locking groove is formed at a bottom of the side of the movable plate, and a protection pad is disposed at a side of the protection cover.

6. The portable micro battery-embedded spot welder according to claim 1, wherein a connecting rod is fixedly connected to one side of the gear, and one end of the connecting rod penetrates through the inside of the base and extends to one side of the outside of the base, and an adjusting knob is fixedly connected to one side of the connecting rod extending to the outside of the base.