Why is my ianxofour iron farm not working?

https://preview.redd.it/r5ewm5c8nzae1.png?width=2736&format=png&auto=webp&s=ce3e3eeb7a384446566e03e576be167d9bd3f412

No matter how long i wait no iron golems spawn and i dont know why any help would be appreciated.

https://preview.redd.it/fvywxv5bnzae1.png?width=2736&format=png&auto=webp&s=f3c07a63b6f5ee40327d0ed35dfe20833cd36e11

https://preview.redd.it/o99o4k5fdzae1.png?width=2736&format=png&auto=webp&s=594ff3e7204fafd6cb5ba2343d4f583e87a03b9c