Brush head fixture for production of toothbrush head and manufacturing method of toothbrush head

A brush head fixture for production of a toothbrush head, the toothbrush head comprising a brush head main body, bristles, and a coating layer, the brush head main body comprising one or more retaining parts, one end of the bristles being fixed by the retaining part, and the coating layer covering at least a portion of the brush head main body away from the free end of the bristles, wherein the brush head fixture comprises a fixture main body, a bristle accommodating part, a material sealing surface, and one or more positioning holes;

• one side of the fixture main body is provided with the bristle accommodating part, and the bristle accommodating part is configured for accommodating the free end of implanted bristles during the manufacturing process of the toothbrush head;
• the material sealing surface is located on one side of the fixture main body away from the bristle accommodating part, and the material sealing surface is configured for preventing the material of the coating layer from entering the bristle accommodating part when forming the coating layer;
• the one or more positioning holes penetrate through the wall of the fixture main body between the material sealing surface and the bristle accommodating part, and the one or more positioning holes are configured for injection molding the retaining parts, and also for positioning the retaining parts obtained through injection molding.