CN215846276U

CN215846276U - Portable spot welder

Info

Publication number: CN215846276U
Application number: CN202121872323.1U
Authority: CN
Inventors: 梁春生; 刘国宪
Original assignee: Xinxiang Anke Electronics Co ltd
Current assignee: Xinxiang Anke Electronics Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-18
Anticipated expiration: 2031-08-11

Abstract

The utility model provides a portable spot welder, which relates to the technical field of electric welding devices and comprises a spot welder body, wherein a pushing mechanism used for pushing a welding head of the spot welder to move is arranged on the spot welder body in a sliding mode, a lifting mechanism used for driving the pushing mechanism to lift is arranged on the spot welder body in a sliding mode, a fixing table is fixedly arranged on the spot welder body, a circular table is arranged on the fixing table in a rotating mode, and a circular ring which coaxially rotates is arranged on the fixing table in a rotating mode. Two arc welding pieces which need to be welded together are placed on the round table and the circular ring respectively, then the welding pieces are spot-welded by the aid of the welding head driven by the lifting mechanism, the round table and the circular ring are driven by the driving device to rotate synchronously, the round table and the round table are driven by the driving device to rotate at the same angular speed, the welding pieces are driven by the pushing mechanism to move, so that the arc welding pieces with different sizes can be welded, and the applicability of the device is improved.

Description

Portable spot welder

Technical Field

The utility model relates to the technical field of welding devices, in particular to a portable spot welding machine.

Background

The spot welder adopts the principle of double-sided double-point over-current welding, when in work, two electrodes pressurize a workpiece to enable two layers of metals to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant thermal welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, and the internal structure of the workpiece to be welded is not damaged.

A portable spot welding machine is disclosed in Chinese patent with an authorization publication number of CN211248746U, and comprises a spot welding machine body structure, a welding gun unit and a spot welding head structure; the spot welder body structure: the spot welding machine body structure comprises a spot welding machine body, guide wheels are arranged at four corners of the lower surface of the spot welding machine body, a power supply control panel is arranged on the left side surface of the spot welding machine body, and an L-shaped fixing column is arranged on the front side surface of the power supply control panel; a welding gun unit: the welding gun unit comprises a fixed welding arm, a fixed handle is arranged below one end of the fixed welding arm, a telescopic spring is arranged on the fixed handle, the fixed handle is connected with a driving handle through the telescopic spring, a lifting handle is arranged above one end of the fixed welding arm, and a sliding plate is arranged on the fixed welding arm; the portable welding gun is convenient to carry and move, and the welding gun is simple in design structure and easy to operate, so that the operation is quicker and more convenient.

However, the above-described technical solutions have a drawback that only the linear movement of the welding torch can be realized, and welding cannot be performed on arc-shaped welding members.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable spot welding machine, and aims to solve the problem that the portable spot welding machine in the prior art cannot weld arc-shaped welding parts.

In order to achieve the purpose, the utility model adopts the following technical scheme: the portable spot welder comprises a spot welder body, wherein a pushing mechanism used for pushing a welding head of the spot welder to move is arranged on the spot welder body in a sliding mode, a lifting mechanism used for driving the pushing mechanism to lift is arranged on the spot welder body in a sliding mode, a fixing table is fixedly arranged on the spot welder body, a round table is arranged on the fixing table in a rotating mode, a round ring which coaxially rotates is arranged on the round table in a rotating mode, and a driving device used for driving the round table and the round ring to rotate at the same angular speed is arranged between the round table and the round ring.

According to a further technical scheme, the pushing mechanism is an electric push rod.

According to a further technical scheme, the lifting mechanism is a hydraulic rod.

According to a further technical scheme, a supporting plate is fixedly arranged on the fixing table, a sliding block is rotatably arranged on the supporting plate, a sliding groove is formed in the bottom of the circular ring, and the sliding block is slidably arranged in the sliding groove.

In order to enable the circular truncated cone and the circular ring to rotate at the same angular speed, the driving device comprises a servo motor and a speed change gear set, an outer gear ring meshed with the speed change gear set is fixedly arranged on the circular truncated cone, and an inner gear ring meshed with the speed change gear set is fixedly arranged on the circular ring.

According to a further technical scheme, the speed change gear set comprises a first pinion meshed with the outer gear ring, a first large gear is coaxially and rotatably arranged on the first pinion, a second pinion is meshed with the first large gear, a second large gear is coaxially and rotatably arranged on the second pinion, and the second large gear is meshed with the inner gear ring.

In order to ensure that the welding part fixing device has the function of fixing a part to be welded, the further technical scheme is that electromagnets used for fixing the welding part are arranged in the circular truncated cone and the circular ring.

In order to ensure that the spot welding machine has the function of convenient movement of the spot welding machine body, the further technical scheme of the spot welding machine is that universal wheels are fixedly arranged below the spot welding machine body.

The utility model has the beneficial effects that:

two arc welding pieces that will need the welding together are placed respectively on round platform and ring, then drive the welding head through elevating system and carry out spot welding to the welding piece, drive round platform and ring through drive arrangement simultaneously and rotate in step, drive arrangement drives round platform and rotates with the same angular velocity, the welding piece of treating welding on round platform and the ring can not be because the skew takes place for the rotation of round platform and ring, and then can weld arc welding piece when rotating, when arc welding piece size is different, drive the welding head through pushing mechanism and remove and then can weld the arc welding piece of unidimensional not, improve the suitability of device.

Drawings

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention.

Fig. 2 is a schematic three-dimensional structure from another perspective of an embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

In the figure: 1. a spot welder body; 2. a pushing mechanism; 3. a lifting mechanism; 4. a fixed table; 5. a circular truncated cone; 6. a circular ring; 7. a drive device; 8. a support plate; 9. a chute; 10. an outer ring gear; 11. an inner gear ring; 12. a first pinion gear; 13. a first bull gear; 14. a second pinion gear; 15. a second bull gear; 16. a universal wheel.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-3, a portable spot welder comprises a spot welder body 1, a pushing mechanism 2 for pushing a welding head of the spot welder to move is arranged on the spot welder body 1 in a sliding manner, a lifting mechanism 3 for driving the pushing mechanism 2 to lift is arranged on the spot welder body 1 in a sliding manner, a fixing table 4 is fixedly arranged on the spot welder body 1, a circular table 5 is arranged on the fixing table 4 in a rotating manner, a circular ring 6 coaxially rotating the circular table 5 is arranged on the fixing table 4 in a rotating manner, and a driving device 7 for driving the circular table 5 and the circular ring 6 to rotate at the same angular speed is arranged between the circular table 5 and the circular ring 6.

In this embodiment, two arc welding pieces that will need the welding together are placed respectively on round platform 5 and ring 6, then drive the welding head through elevating system 3 and carry out spot welding to the welding piece, drive round platform 5 and ring 6 through drive arrangement 7 simultaneously rotate in step, drive arrangement 7 drives round platform 5 and round platform 6 and rotates with the same angular velocity, the welding piece of treating welding on round platform 5 and ring 6 can not be because the skew takes place for the rotation of round platform and ring 6, and then can electrically weld the arc welding piece when rotating, when arc welding piece size is different, drive the welding head through pushing mechanism 2 and remove and then can weld the arc welding piece of unidimensional not, improve the suitability of device.

Specifically, the pushing mechanism 2 is an electric push rod.

Specifically, the lifting mechanism 3 is a hydraulic rod.

Preferably, a supporting plate 8 is fixedly arranged on the fixing table 4, a sliding block is rotatably arranged on the supporting plate 8, a sliding groove 9 is formed in the bottom of the circular ring 6, and the sliding block is slidably arranged in the sliding groove 9.

Specifically, the driving device 7 comprises a servo motor 71 and a speed change gear set 72, an outer gear ring 10 meshed with the speed change gear set 72 is fixedly arranged on the circular platform 5, and an inner gear ring 11 meshed with the speed change gear set is fixedly arranged on the circular ring 6.

Specifically, change gear set 72 includes first pinion 12 with outer ring gear 10 meshing, coaxial rotation is provided with first gear wheel 13 on first pinion 12, it has second pinion 14 to mesh on the first gear wheel 13, coaxial rotation is provided with second gear wheel 15 on the second pinion 14, second gear wheel 15 meshes with ring gear 11, drives first pinion 12 through servo motor and rotates, and the pinion drives first pinion 13 and coaxial rotation and then drives second pinion 14 and rotate, then drives second gear wheel 15 through second pinion 14 and rotates, and then makes round platform 5 and ring 6 have the same angular velocity.

Preferably, electromagnets used for fixing welding parts are arranged in the circular truncated cone 5 and the circular ring 6, and the welding parts which are easily slid on the circular truncated cone 5 and the circular ring 6 are fixed through the electromagnets.

Preferably, a universal wheel 16 is fixedly arranged below the spot welding machine body 1, and the spot welding machine body 1 is convenient to move by installing the universal wheel.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable spot welder, its characterized in that, includes spot welder body (1), it is provided with pushing mechanism (2) that are used for promoting the spot welder bonding tool to remove to slide on spot welder body (1), it is provided with elevating system (3) that are used for driving pushing mechanism (2) to go up and down to slide on spot welder body (1), the fixed stationary station (4) that is provided with on spot welder body (1), it is provided with round platform (5) to rotate on stationary station (4), it is provided with round platform (5) coaxial pivoted ring (6) to rotate on stationary station (4), be provided with between round platform (5) and ring (6) and be used for driving round platform (5) and ring (6) with same angular velocity pivoted drive arrangement (7).

2. Portable spot welder according to claim 1, characterized in that said pushing mechanism (2) is an electric push rod.

3. A portable spot welder according to claim 1, characterized in that the lifting mechanism (3) is a hydraulic lever.

4. The portable spot welding machine according to claim 1, characterized in that a support plate (8) is fixedly arranged on the fixed table (4), a slide block is rotatably arranged on the support plate (8), a sliding groove (9) is formed at the bottom of the circular ring (6), and the slide block is slidably arranged in the sliding groove (9).

5. A portable spot welder according to claim 4, characterized in that said driving means (7) comprise a servo motor (71) and a gear change set (72), said circular table (5) being fixedly provided with an external gear ring (10) meshing with the gear change set (72), said circular ring (6) being fixedly provided with an internal gear ring (11) meshing with the gear change set.

6. Portable spot welder according to claim 5, characterized in that the gear change set (72) comprises a first pinion (12) meshing with the external gear ring (10), on the first pinion (12) a first gearwheel (13) is coaxially and rotatably arranged, on the first gearwheel (13) a second pinion (14) is meshed, on the second pinion (14) a second gearwheel (15) is coaxially and rotatably arranged, the second gearwheel (15) meshing with the internal gear ring (11).

7. A portable spot welder according to claim 1, characterized in that electromagnets for fixing the welding members are arranged inside the circular table (5) and the circular ring (6).

8. A portable spot welder according to any of the claims 1-6, characterized in that universal wheels (16) are fixedly arranged under the spot welder body (1).