Spot welding tool

Abstract

The utility model discloses a spot welding tool which comprises a base, two electric push rods which are arranged on the base in a bilateral symmetry mode, each electric push rod is provided with a telescopic arm moving up and down, a lifting platform is arranged at the end of each telescopic arm, bearing seats are arranged on the lifting platform, a main shaft is rotationally connected between the bearing seats, and a turnover platform is connected to the main shaft in series. A fixed support and movable supports which extend front and back or up and down are arranged on the overturning platform, the movable supports are symmetrically arranged on the left side and the right side of the fixed support, and the movable supports are connected to the overturning platform in a sliding mode and move close to or away from the fixed support. And quick clamps close to the end parts are respectively arranged on the end surfaces of the fixed bracket and the movable bracket. The spot welding tool has the advantages of being capable of being lifted and overturned and convenient to clamp, and is complete in overall function and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, and more specifically, it relates to a spot welding tooling. Background Technology

[0002] When spot welding separate metal parts, a positioning fixture is required to pre-position the workpiece; otherwise, processing becomes difficult. Because some spot welding positions are somewhat off-center, the operator's posture is distorted during spot welding, making operation difficult and resulting in poor overall quality. Therefore, this utility model proposes a spot welding fixture. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a spot welding fixture that is liftable, flip-up and easy to clamp.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The spot welding fixture involved in this utility model includes a base, on which two electric push rods are arranged symmetrically from left to right. The electric push rods have telescopic arms that can move up and down. The ends of the telescopic arms are provided with lifting platforms. The lifting platforms are provided with bearing seats. A main shaft is rotatably connected between the bearing seats. A tilting platform is connected in series on the main shaft. The tilting platform is provided with a fixed bracket and a movable bracket that can extend forward and backward or up and down. The movable brackets are symmetrically arranged on the left and right sides of the fixed brackets. The movable brackets are slidably connected to the tilting platform and can move closer to or away from the fixed brackets. Quick clamps are provided near the ends on the end faces of the fixed brackets and the movable brackets, respectively.

[0005] The present invention is further configured such that: one of the bearing seats is provided with a pull pin mounting bracket, the pull pin mounting bracket is provided with a spring pull pin, the spring pull pin has a telescopic limiting pin, the axis of the limiting pin is parallel to the axis of the main shaft, one end of the main shaft is provided with a circumferential limiting plate matching the spring pull pin, the circumferential limiting plate is provided with a plurality of adjacent circumferential limiting holes with equal included angles, and the limiting pin is inserted into one circumferential limiting hole.

[0006] The present invention is further configured such that: the main shaft or the flipping platform is provided with a handwheel arranged on the same axis as the main shaft.

[0007] The present invention is further configured such that the handwheel is arranged close to the circumferential limiting plate.

[0008] The present invention is further configured such that: the flipping platform is provided with a linear guide rail that extends left and right, a linear slider is slidably connected on the linear guide rail, and the movable bracket is provided on the linear slider.

[0009] The present invention is further configured such that: an auxiliary frame is provided on the movable support, and a first locking screw with its end abutting against the flipping platform is threaded onto the auxiliary frame.

[0010] The present invention is further configured such that: an L-shaped positioning plate is provided on the flipping platform, the L-shaped positioning plate includes a positioning baffle and a positioning base, a screw through hole is provided on the positioning base, and a row of threaded holes are provided on the flipping platform and are equidistantly arranged along the length direction of the flipping platform, wherein a second locking screw passing through the screw through hole is threaded into one of the threaded holes.

[0011] The present invention is further configured such that: the bearing housing is fitted with a bearing that is sleeved on the main shaft.

[0012] In summary, this utility model has the following beneficial effects:

[0013] 1. The clamping platform is height-adjustable.

[0014] 2. The clamping platform can be flipped and its tilt position is adjustable.

[0015] 3. The spacing between the movable support and the fixed support is adjustable, making it highly adaptable.

[0016] 4. Quick clamps are used for fixing, making it convenient to load and unload workpieces. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a partial structural schematic diagram of the present invention;

[0019] Figure 3 This is a partial structural schematic diagram of the present invention;

[0020] Figure 4 yes Figure 1 Enlarged structural diagram of section A in the middle. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0022] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0023] Example 1

[0024] See Figures 1 to 4 As shown, the spot welding fixture involved in this embodiment includes a base 1. The base 1 is provided with two electric push rods 2 arranged symmetrically from left to right. The electric push rods 2 have telescopic arms (not marked) that can move up and down. The ends of the telescopic arms are provided with lifting platforms 3. The lifting platforms 3 are provided with bearing seats 4. A main shaft 5 is rotatably connected between the bearing seats 4. A tilting platform 6 is connected in series on the main shaft 5. The tilting platform 6 is provided with a fixed bracket 7 that can extend forward and backward or up and down. The movable bracket 8 is symmetrically arranged on the left and right sides of the fixed bracket 7. The movable bracket 8 is slidably connected to the tilting platform 6 and moves towards or away from the fixed bracket 7. The end faces of the fixed bracket 7 and the movable bracket 8 are respectively provided with quick clamps 9 near the ends.

[0025] Furthermore, one of the bearing seats 4 is provided with a pull pin mounting bracket 10, and the pull pin mounting bracket 10 is provided with a spring pull pin 11. The spring pull pin 11 has a telescopic limiting pin 12. The axis of the limiting pin 12 is parallel to the axis of the main shaft 5. One end of the main shaft 5 is provided with a circumferential limiting plate 13 that matches the spring pull pin. The circumferential limiting plate 13 is circumferentially distributed with a plurality of adjacent circumferential limiting holes 14 at equal included angles. The limiting pin 12 is inserted into one of the circumferential limiting holes 14.

[0026] Furthermore, the flipping platform 6 is provided with a linear guide rail 16 that extends left and right, and a linear slider 17 is slidably connected to the linear guide rail 16. The movable bracket 8 is provided on the linear slider 17.

[0027] Furthermore, the movable support 8 is provided with an auxiliary frame 18, and the auxiliary frame 18 is threadedly connected with a first locking screw 19 whose end abuts against the flipping platform.

[0028] Furthermore, the bearing housing 4 contains a bearing (not shown) that is sleeved on the main shaft 5.

[0029] In this embodiment, the height of the tilting platform 6 and the workpiece clamped on it can be adjusted by operating the electric push rod 2. By manually rotating the tilting platform 6, the circumferential position of the tilting platform 6 and the workpiece clamped on it can be changed to a suitable position for spot welding, making the operation more convenient and comfortable.

[0030] The spring pin 11, in conjunction with the circumferential limit plate 13, serves to lock the position of the flipping platform 6 after circumferential adjustment.

[0031] The first locking screw 19, which abuts against the end of the flipping platform, serves as a position lock for the movable bracket 8 after translation.

[0032] Example 2

[0033] See Figures 1 to 4 As shown, the spot welding fixture involved in this embodiment is further configured, based on embodiment 1, with a handwheel 15 arranged on the flipping platform 6 coaxially with the main shaft 5.

[0034] Furthermore, the handwheel 15 is arranged close to the circumferential limiting plate 13.

[0035] In this embodiment, the handwheel 15 is used for hand-held operation, which facilitates driving the flipping platform 6 to flip.

[0036] Example 3

[0037] See Figures 1 to 4 As shown, the spot welding fixture involved in this embodiment is further configured based on embodiments 1 and 2, wherein the flipping platform 6 is provided with an L-shaped positioning plate 20, the L-shaped positioning plate 20 includes a positioning baffle 201 and a positioning base 202, the positioning base 202 is provided with a screw through hole 203, and the flipping platform 6 is provided with a row of threaded holes 20 arranged at equal intervals along the length direction of the flipping platform, wherein a second locking screw 21 passing through the screw through hole is internally threaded into one of the threaded holes 20.

[0038] In this embodiment, the L-shaped positioning plate 20 is used for auxiliary positioning of the workpiece.

[0039] The spot welding fixture involved in this utility model has a clamping platform that can be raised and lowered, and its height is adjustable; the clamping platform can be flipped, and its tilt position is adjustable; the distance between the movable support and the fixed support is adjustable, making it highly adaptable; it also uses quick clamps for fixing, making it convenient to load and unload workpieces. The overall function is complete and highly practical.

[0040] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.

[0041] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0042] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A spot welding fixture, comprising a base, characterized in that: The base is provided with two electric push rods arranged symmetrically from left to right. The electric push rods have telescopic arms that can move up and down. The ends of the telescopic arms are provided with lifting platforms. The lifting platforms are provided with bearing seats. A main shaft is rotatably connected between the bearing seats. A tilting platform is connected in series on the main shaft. The tilting platform is provided with fixed brackets and movable brackets that can extend forward and backward or up and down. The movable brackets are symmetrically arranged on the left and right sides of the fixed brackets. The movable brackets are slidably connected to the tilting platform and can move closer to or away from the fixed brackets. Quick clamps are provided near the ends on the end faces of the fixed brackets and the movable brackets, respectively.

2. The spot welding fixture according to claim 1, characterized in that: One of the bearing seats is provided with a pull pin mounting bracket, and the pull pin mounting bracket is provided with a spring pull pin. The spring pull pin has a telescopic limiting pin, the axis of which is parallel to the axis of the main shaft. One end of the main shaft is provided with a circumferential limiting plate that matches the spring pull pin. The circumferential limiting plate is provided with a plurality of adjacent circumferential limiting holes with equal included angles. The limiting pin is inserted into one of the circumferential limiting holes.

3. The spot welding fixture according to claim 2, characterized in that: The main shaft or the flipping platform is equipped with a handwheel that is coaxial with the main shaft.

4. The spot welding fixture according to claim 3, characterized in that: The handwheel is positioned close to the circumferential limiting plate.

5. The spot welding fixture according to any one of claims 1-4, characterized in that: The flipping platform is provided with a linear guide rail that extends left and right, and a linear slider is slidably connected on the linear guide rail. The movable bracket is located on the linear slider.

6. The spot welding fixture according to claim 5, characterized in that: The movable support is equipped with an auxiliary frame, and the auxiliary frame is threaded with a first locking screw whose end abuts against the flipping platform.

7. The spot welding fixture according to claim 1, characterized in that: The flipping platform is provided with an L-shaped positioning plate, which includes a positioning baffle and a positioning base. The positioning base has screw holes. The flipping platform has a row of threaded holes arranged at equal intervals along the length of the flipping platform. A second locking screw that passes through the screw hole is threaded into one of the threaded holes.

8. The spot welding fixture according to claim 1, characterized in that: The bearing housing contains a bearing that is fitted onto the main shaft.

Images