Light bar assembling jig

The utility model discloses a light bar assembling jig. The light bar assembling jig comprises a base, a transverse beam and a pressing plate mechanism, wherein the transverse beam is located on the base; the lower surface of the transverse beam is attached on a light bar to be assembled; the pressing plate mechanism is arranged on the base; the free end of the pressing plate mechanism is located above the light bar to be assembled and can be pressed down and freely rebounded; when the pressing plate mechanism is pressed, the light bar is pressed by the free end so as to be attached on a back plate; when the pressing plate mechanism is released, the free end is automatically rebounded and recovered to the normal position. According to the light bar assembling jig, the transverse beam and the pressing plate mechanism are arranged so that the light bar can be attached on the transverse beam when the jig is used; then the jig is plugged into the U-shaped back plate; the pressing plate mechanism is pressed so that the light bar is attached on the back plate; the light bar assembling jig is convenient to operate; the production efficiency of a production line is improved; the light bar can be accurately positioned and is convenient to assemble; the requirements on personnel are low and the light bar assembling jig is simple and efficient.